Java Programming: A Comprehensive Bootcamp From Zero To Hero

Become a Java developer - Core Java, Functional Programming, Lambdas, Streams, Collections, Covers upto Java 21

What you'll learn

Java basics including OOPs principles, Keywords, Operators, Objects, Classes, Methods, Constructors, Control flow statements, Loops, Inheritance, Interface etc.

Java intermediate concepts including Exceptional handling, Wrapper Classes, Collections, Enums, Date and Time API

Java advance concepts including Generics, Functional Programming, Lambda Expressions, Functional Interfaces, Method References, Streams API, Multi Threading

Achieve professional proficiency in Java programming

Gain practical expertise by completing over 100 coding exercises

Master Java best practices guided by an experienced developer

Requirements

No prior programming experience required, but familiarity with basic programming concepts will be beneficial.

A computer with internet access and a willingness to learn and practice.

Description

Welcome to the course Java Programming: A Comprehensive Bootcamp from Zero to Hero, a comprehensive course designed to equip developers of all levels with the essential skills and knowledge to master Java programming from its fundamentals to advanced topics up to Java 21. Whether you're a beginner looking to kickstart your programming journey or an experienced developer seeking to enhance your Java expertise, this course has something valuable to offer.Course Overview:This course is meticulously crafted to cover every aspect of Java programming in-depth, ensuring a solid understanding of both the foundational concepts and the latest advancements in the language. Here's what you can expect to learn throughout the course:Section 1: Let's Say Hello to JavaWhat is Java & why should you learnApproach to learn Java languageWriting your first Java statement using jshellBrief history of Java & it's release timelineWhy do we have different JDK vendors in Java ecosystemInstallation of JavaSection 2: Primitive data types in JavaIntroduction to Java KeywordsDeep dive on byte, short, int, long, float, double data typesSyntax to declare primitive data types & store data using themHow to name a java variableCase Styles in programmingDeep dive on boolean primitive data typeDeep dive on char primitive data typeDemo of Overflow and Underflow[Java 7] Using underscore in numeric literalsDemo of octal number format in JavaDemo of hexa number format in JavaDemo of binary number format in JavaType casting in JavaDemo of implicit and explicit castingIntroduction to String in JavaDemo of String in JavaSection 3: What happens behind the scenes when a Java program executesIntroduction to life cycle of a Java programWhat is JDK, JRE, JVMHow Java became a platform independent languageIntroduction to Java program code structureWriting first Java class, compiling & running itIntroduction to IDE & IntelliJ IDEACreate first Java project in IntelliJ & set up a themeWriting first Java class in IntelliJSection 4: Deep dive on Java classes, methods, fields, constructorsJava supports Object-oriented programming (OOP)Demo of creating a Java classDeclaring fields in a Java classDemo of Java methodsIntroduction to method signaturePurpose of a return statement in Java methodsSyntax of method invocation in JavaLet’s say hi to main method againHow to create & initialize Java objectsIntroduction to Constructor in JavaDemo of Constructor in Java & introduction to debuggingProblem with default or no-args constructorConstructor Overloading in JavaConstructor chaining in JavaUsage of return statement in constructorInstance Initialization Block in Java class - Part 1Instance Initialization Block in Java class - Part 2Introduction to static variables in JavaHow to define constant final static variablesDifferences between static & instance variablesIntroduction to static methods in Java Static Initialization Block in Java classDebugging of method invocations in IntelliJWhere does Java store classes, objects, variables, methodsDeep dive on Heap memory and stack memoryIntroduction to null in JavaObject Destruction and Garbage collection in JavaClass vs Object vs Instance vs ReferenceWhat is encapsulation in JavaSection 5: Comments in JavaSingle line Comments in JavaMulti line Comments in JavaIntroduction to javadoc commentsGenerating javadoc using IntelliJSection 6: Deep dive on String in JavaIntroduction to String Pool in JavaThe intern method in StringThe concat method in StringEscape sequence character & Unicode char values in StringFinding the length of a StringComparing Strings in JavaFetching a character at an index in StringChecking if a String is emptyChanging the case in StringConverting values as StringSearching for a value in StringTrimming a StringFetching Substring from a StringReplacing a part of a StringSplitting Strings[JAVA 8] Joining StringsThe format() method in StringSystem.out.printf() methodUnderstanding how String objects are immutableHow to create mutable strings in Java[JAVA 15] Text Block in JavaConverting String to primitive data type valuesConvert String to double data typeSection 7: Operators in JavaIntroduction to Operators & Operands in JavaAssignment Operator in JavaIntroduction to Arithmetic Operators in JavaAddition Operator in JavaString Concatenation OperatorDivision Operator in JavaModulus Operator in JavaUnary plus and minus operatorsCompound Arithmetic Assignment Operators in JavaIncrement and Decrement operators in JavaIntroduction to Relational Operators in JavaEquality Operator in JavaInequality Operator in JavaGreater than, Greater than or equal, Less than, Less than or equal operatorsIntroduction to Logical Operators in JavaLogical NOT operator in JavaLogical Short-Circuit AND, Logical AND operators in JavaLogical Short-Circuit OR, Logical OR operators in JavaLogical XOR operator in JavaCompound Logical Assignment Operators in JavaBitwise Operators in JavaBitwise NOT operator or 1’s complement in JavaBitwise AND operator in JavaBitwise OR operator in JavaBitwise XOR operator in JavaLeft Shift operator in JavaSigned Right Shift operator in JavaUnsigned Right Shift operator in JavaCompound assignment bitwise operators in JavaTernary or Conditional operator in JavaDetails of Java operators Precedence & Associativity   Section 8: Control flow statements in JavaIntroduction to Control flow statements in JavaDeep dive on if, else if, else statements in JavaNested if- else if - else statementsTernary operator in the place of if-else statementDeep dive on switch case statement[JAVA 14] Deep dive on switch expressionDeep dive on while statementDeep dive on do while statementDeep dive on for loopDeep dive on nested for loopsbreak statementcontinue statementreturn statementLocal variables & ScopeSection 9: packages in JavaIntroduction to packages & benefits of themCreating a packageRules & standards to name a packageUsing package members with import statementThe great java.lang packageThe static import statementsImportant points about packages & importsIntroduction to access modifiersDemo of access modifiers for java classesDemo of access modifiers for methods, fields in classesDeep dive on POJO classesSection 10: Inheritance in JavaIntroduction to Inheritance in JavaObject class is the default Superclassis-a & has-a relationships in JavaWhat a subclass inherits from its superclassIntroduction to upcasting in JavaIntroduction to downcasting & it's demoinstanceof OperatorStatic Binding and Dynamic Binding in JavaWhat is Polymorphism in JavaMethod Overridingsuper keyword to invoke super class methods from sub classMethod OverloadingMethod overriding vs Method overloadingMethod hiding in Java InheritanceField hiding in Java InheritanceThe story of constructors & Inheritance togetherthis and super keywords in JavaTypes of Inheritance in Javaabstract methods and classesfinal keyword in Java[JAVA 17] sealed classes & interfacesSection 11: Interfaces in JavaIntroduction to InterfacesConstant Field Declarations in interface[JAVA 8] How to build default methods in interfaces[JAVA 8] How to build static methods in interfacesMultiple Inheritance using interfacesInterface defines a new typeMarker Interface[JAVA 8] Functional InterfaceClass Vs Abstract Class Vs InterfaceSection 12: Arrays in JavaWhat is a Array in JavaDeclaring & initializing ArraysArrays lengthIterate elements of Array using for loopIterate elements of Array using for-each loopArrays advantages and disadvantagesCopying Arrays using loopsCopying Arrays using arraycopy and copyOf methodsConverting ArraysSorting ArraysSearching an ArrayFilling an ArrayIntroduction to multidimensional or nested arraysTwo-Dimensional or 2D ArraysJagged ArraysThree-Dimensional or 3D ArraysSection 13: Accept input using BufferedReader and ScannerUnderstanding System.out.printlnIntroduction to BufferedReader & DemoIntroduction to Scanner & DemoComparison of BufferedReader and ScannerDon’t use System.out.println in Production codeLogging in JavaSection 14: Exception handling using try, catch and finallyTaste of first Exceptiontry-catch blockmultiple catch blocksfinally block[JAVA 7] try- with-resources statementRules while handling exceptionsThe Exception HierarchyChecked ExceptionsUnchecked Exceptionsthrows keywordthrow keywordDifferences between throw and throws keywordException PropagationNested try blockCustom Checked ExceptionCustom Unchecked Exceptionfinal, finally and finalizeSection 15: Unmasking Java's Superclass(java.lang.Object) SecretsIntroduction to the methods in Object classDeep dive on getClass() in Object classDeep dive on hashCode() in Object classDeep dive on equals() in Object classOverride hashCode() & equals() methodsOverride hashCode() & equals() methods using IntelliJDeep dive on toString() in Object classDemo of hashCode(), equals() & toString() methods of StringDeep dive on finalize() in Object classDeep dive on clone() in Object classDetails about Shallow cloning & Deep cloningMutable and Immutable objects[JAVA 16] Record classes[JAVA 10] var (local variable type inference)Section 16: Introduction to Collections & Wrapper ClassesArrays have limitationsWhat are Collections & why they accept only objectsIntroduction to Wrapper ClassesConvert Primitive Type to Wrapper Objects (Boxing)Convert Wrapper Objects into Primitive Types (Unboxing)Autoboxing and unboxingCaching with valueOf() methodsJava Collection Framework HierarchySection 17: Lists and ArrayLists Unleashed – A Hilarious Journey through Data StructuresDeep dive on the Collection Interface[JAVA 21] Deep dive on the Sequenced CollectionsDeep dive on the List InterfaceHow to create objects of ArrayListDemo of ArrayList[JAVA 7] Diamond Operator in JavaArrayList performance[JAVA 9] Creating Immutable ListsIterate ArrayList using for-each and iterator()Iterate ArrayList using listIterator()Sorting ArrayList using sort() methodsSorting ArrayList using custom ComparatorSorting ArrayList of custom data type using ComparableSorting ArrayList of custom data type using ComparatorArrays vs ArrayListSection 18: LinkedLists - Java's Dance of NodesIntroduction of LinkedListHow to create objects of LinkedListDemo of LinkedListIterate LinkedList elementsSorting LinkedList elementsLinkedList performanceArrayList vs LinkedListSection 19: Generics in JavaIntroduction to Generics in JavaWhy we need Generics in JavaGeneric class in JavaGenerics methods in JavaCollections with out GenericsCovariance DemoSubtype or Upper Bound WildcardsSupertype or Lower Bound WildcardsUnbounded WildcardsSection 20: Deep dive on Map, HashMap, TreeMap, LinkedHashMapIntroduction to Map in JavaDemo of HashMapHow HashMap Store Key, ValueHow HashMap retrieve Value[JAVA 8] HashMap improvements in Java 8Iterating HashMap using keySet() and entrySet()Iterating HashMap using values()Introduction to TreeMap in JavaDemo of TreeMap in JavaDemo of LinkedHashMap in Java[JAVA 9] Creating Immutable MapsSection 21: Set, HashSet, TreeSet, LinkedHashSetIntroduction to Set in JavaDemo of HashSetHow HashSet works internallyIterating HashSetSet operationsDemo of TreeSet in JavaDemo of LinkedHashSet in Java[JAVA 9] Creating Immutable SetsList vs SetSection 22: Enums in JavaIntroduction to EnumsProblems with normal Java class constants approachDemo of Enum approachAssociating Data to Enum ConstantsDemo of EnumSet and it's important methodsAdvantages of EnumsSection 23: Date and Time in JavaHow Java supports Date and TimeWhy a new Date API introduced in Java 8Demo of java util DateDate formatting and parsing using SimpleDateFormatDemo of java sql DateDemo of java util CalendarTimeZone specific Date and Time[JAVA 8] Introduction to new Date & Time API from Java 8[JAVA 8] The of() methods in java.time Date and Time API[JAVA 8] The from() & withXxx() methods in java.time Date and Time API[JAVA 8] The toXxx() & atXxx() methods in java.time Date and Time API[JAVA 8} The getXxx(), plusXxx() and minusXxx() methods in new Date & Time API[JAVA 8] Introduction to Instant and Duration in java.time Date and Time API[JAVA 8] Demo of Instant and Duration in java.time Date and Time API[JAVA 8] Period in java.time Date and Time API[JAVA 8] The multipliedBy(), dividedBy() & negated() methods[JAVA 8] The truncatedTo() method[JAVA 8] Demo of ZoneId, ZonedDateTime[JAVA 8] Demo of ZoneOffset[JAVA 8] Demo of OffsetDateTime and OffsetTime[JAVA 8] Demo of Day Light Saving with ZonedDateTime[JAVA 8] Non-ISO Calendars in java.time Date and Time API[JAVA 8] Formatting Dates and Times using DateTimeFormatter[JAVA 8] Parsing Dates and Times using DateTimeFormatterSection 24: [JAVA 8] Functional Programming using lambda expressionsIntroduction to Functional ProgrammingImperative style vs functional style programmingWhat are lambda expressions and their syntaxHow to build Lambda expressionsDeep dive on Functional InterfacesHow Functional Interface & Lambda expressions are linkedAnonymous inner class in the place of lambda expressionsPredefined Functional interfaces inside JDKDeep dive on Predicate functional interfaceDeep dive on Function functional interfaceDeep dive on UnaryOperator interfaceDeep dive on Consumer interfaceDeep dive on Supplier interfaceDeep dive on BiFunctional InterfacesPrimitive Type functional interfacesDeep dive on Lexical Scoping of Lambda expressionsthis and super inside lambda expressionSection 25: [JAVA 8] Building Lambda expressions using Method ReferencesIntroduction to Method ReferencesDemo of Static Method ReferenceDemo of Instance Method ReferenceDemo of Instance method Reference using Class typeDemo of Constructor ReferenceSection 26: [JAVA 8] Streams APIIntroduction to java util stream APICreating a Stream from collectionsStreams have no storageIntroduction to Streams PipelineDemo of Streams map() methodDemo of Streams flatMap() methodDemo of Streams filter() methodDemo of Streams limit() methodDemo of Streams skip() methodStreams are traversable only onceIntroduction to Streams reduce() methodDemo of Streams reduce() methodDemo of Streams collect() methodDemo of Streams collectingAndThen() methodDemo of Streams groupingBy() and partitioningBy() methodFinding and Matching methods in StreamsQuick revision about stream pipelineDeep dive on parallel streams and demoCollections Vs StreamsSection 27: [JAVA 8] Optional to deal with nulls in JavaIntroduction to Optional classDemo of OptionalDemo of ifPresent, ifPresentOrElse, orElse, orElseGet methodsDemo of orElseThrow, map, filter methodsQuick tip to filter null elements with Stream APISection 28: MultiThreading in JavaWhat is MultiThreadingHow a program or a software executes inside a computerParallel vs Concurrent ExecutionHow multiple threads improve performanceCreating Threads in JavaMultiThreading Demo ProgramDemo of Thread methods getId, threadId, getName, setName, currentThread, sleepDemo of Thread method join, getPriority, setPriorityDemo of wait(), notify(), notifyAll()Introduction to Race condition & synchronized keywordDemo of synchronized methods and blocksIntroduction & Demo of volatile keywordIntroduction to DeadlockDemo Deadlock & possible fixes[JAVA 21] Introduction to Virtual ThreadsThroughout the course, you'll engage in hands-on coding exercises, assignments, and projects to reinforce your learning and apply the concepts in real-world scenarios. Our experienced instructors will provide guidance, support, and insights to help you navigate the intricacies of Java programming effectively.Whether you aspire to become a Java developer, enhance your career prospects, or simply gain a deeper understanding of one of the most widely-used programming languages, this course will empower you to achieve your goals in the world of Java programming.Prerequisites:- No prior programming experience required, but familiarity with basic programming concepts will be beneficial.- A computer with internet access and a willingness to learn and practice.Target Audience:- Beginners aspiring to learn Java programming.- Experienced developers looking to expand their Java skills.- Students and professionals seeking to advance their careers in software development.Enroll now and embark on a journey to master Java programming comprehensively, from the basics to Java 21 and beyond!

Overview

Section 1: Let's Say Hello to Java

Lecture 1 Introduction to the course & Agenda

Lecture 2 DO NOT SKIP - IMPORTANT INSTRUCTIONS FOR THE COURSE

Lecture 3 What is Java & why should you learn

Lecture 4 Approach to learn Java language

Lecture 5 [Java 9] Writing your first Java statement using jshell

Lecture 6 Brief history of Java & it's release timeline

Lecture 7 Why do we have different JDK vendors in Java ecosystem

Lecture 8 Installation of SDKMAN & Java in mac, Unix, Linux

Lecture 9 Installation of Java in Windows OS

Lecture 10 [Java 9] Demo of local jshell

Section 2: Primitive data types in Java

Lecture 11 DETAILS OF PDF CONTENT

Lecture 12 Introduction to Java Keywords

Lecture 13 Introduction to Primitive Data types in Java - Part 1

Lecture 14 Introduction to Primitive Data types in Java - Part 2

Lecture 15 Syntax to declare primitive data types & store data using them

Lecture 16 Demo of declaring primitive data types & store data using them

Lecture 17 How to name a java variable

Lecture 18 Case Styles in programming

Lecture 19 Deep dive on boolean primitive data type

Lecture 20 Deep dive on char primitive data type - Part 1

Lecture 21 Deep dive on char primitive data type - Part 2

Lecture 22 Deep dive on char primitive data type - Part 3

Lecture 23 Introduction to integer primitive data types

Lecture 24 Demo of byte, short, int and long primitive data types

Lecture 25 Demo of Overflow and Underflow

Lecture 26 Introduction to floating data types

Lecture 27 Demo of float and double primitive data types - Part 1

Lecture 28 Demo of float and double primitive data types - Part 2

Lecture 29 [Java 7] Using underscore in numeric literals

Lecture 30 Other formats supported by integer & floating data types

Lecture 31 Demo of octal number format in Java

Lecture 32 Demo of hexa number format in Java

Lecture 33 Demo of binary number format in Java

Lecture 34 Type casting in Java

Lecture 35 Demo of implicit and explicit casting - Part 1

Lecture 36 Demo of implicit and explicit casting - Part 2

Lecture 37 Introduction to String in Java

Lecture 38 Demo of String in Java

Section 3: What happens behind the scenes when a Java program executes

Lecture 39 DETAILS OF SOURCE CODE AND PDF CONTENT

Lecture 40 Introduction to life cycle of a Java program

Lecture 41 What is JDK, JRE, JVM

Lecture 42 How Java became a platform independent language - Part 1

Lecture 43 How Java became a platform independent language - Part 2

Lecture 44 Quick knowledge check on Java life cycle & it's components

Lecture 45 Introduction to Java program code structure

Lecture 46 Writing first Java class, compiling & running it

Lecture 47 Introduction to IDE & IntelliJ IDEA

Lecture 48 Create first Java project in IntelliJ & set up a theme

Lecture 49 Writing first Java class in IntelliJ

Section 4: Deep dive on Java classes, methods, fields, constructors

Lecture 50 DETAILS OF SOURCE CODE AND PDF CONTENT

Lecture 51 Java supports Object-oriented programming (OOP)

Lecture 52 So, what is a Java class

Lecture 53 Demo of creating a Java class

Lecture 54 Declaring fields in a Java class - Theory

Lecture 55 Declaring fields in a Java class - Demo

Lecture 56 Introduction to methods in Java - Part 1

Lecture 57 Introduction to methods in Java - Part 2

Lecture 58 Demo of Java methods - Part 1

Lecture 59 Demo of Java methods - Part 2

Lecture 60 Introduction to method signature

Lecture 61 Purpose of a return statement in Java methods

Lecture 62 Syntax of method invocation in Java

Lecture 63 Let’s say hi to main method again

Lecture 64 How to create & initialize Java objects - Theory

Lecture 65 How to create & initialize Java objects - Demo

Lecture 66 Introduction to Constructor in Java

Lecture 67 Demo of Constructor in Java & introduction to debugging

Lecture 68 Problem with default or no-args constructor

Lecture 69 Constructor Overloading in Java

Lecture 70 Constructor chaining in Java

Lecture 71 Usage of return statement in constructor

Lecture 72 Instance Initialization Block in Java class - Part 1

Lecture 73 Instance Initialization Block in Java class - Part 2

Lecture 74 Introduction to static variables in Java - Theory

Lecture 75 Introduction to static variables in Java - Demo

Lecture 76 How to define constant final static variables

Lecture 77 Differences between static & instance variables

Lecture 78 Introduction to static methods in Java - Theory

Lecture 79 Demo of static methods in Java - Part 1

Lecture 80 Demo of static methods in Java - Part 2

Lecture 81 Static Initialization Block in Java class - Part 1

Lecture 82 Static Initialization Block in Java class - Part 2

Lecture 83 Debugging of method invocations in IntelliJ

Lecture 84 Where does Java store classes, objects, variables, methods

Lecture 85 Deep dive on Heap memory and stack memory

Lecture 86 Demo of Heap memory and stack memory in IntelliJ

Lecture 87 Introduction to null in Java

Lecture 88 Object Destruction and Garbage collection in Java

Lecture 89 Class vs Object vs Instance vs Reference

Lecture 90 What is encapsulation in Java

Section 5: Comments in Java

Lecture 91 DETAILS OF SOURCE CODE AND PDF CONTENT

Lecture 92 Introduction to Comments in Java

Lecture 93 Single line Comments in Java - Theory

Lecture 94 Single line Comments in Java - Demo

Lecture 95 Multi line Comments in Java - Theory

Lecture 96 Multi line Comments in Java - Demo

Lecture 97 Introduction to javadoc comments

Lecture 98 Introduction to javadoc comments Demo - Part 1

Lecture 99 Introduction to javadoc comments Demo - Part 2

Lecture 100 Generating javadoc using IntelliJ

Section 6: Deep dive on String in Java

Lecture 101 DETAILS OF SOURCE CODE AND PDF CONTENT

Lecture 102 Introduction to agenda of the section

Lecture 103 Introduction to String Pool in Java - Theory

Lecture 104 Demo of String Pool in Java

Lecture 105 The intern method in String

Lecture 106 The concat method in String

Lecture 107 Escape sequence character & Unicode char values in String

Lecture 108 Finding the length of a String

Lecture 109 Comparing Strings in Java - Part 1

Lecture 110 Comparing Strings in Java - Part 2

Lecture 111 Fetching a character at an index in String

Lecture 112 Checking if a String is empty

Lecture 113 Changing the case in String

Lecture 114 Converting values as String

Lecture 115 Searching for a value in String

Lecture 116 Trimming a String

Lecture 117 Fetching Substring from a String

Lecture 118 Replacing a part of a String

Lecture 119 Splitting Strings

Lecture 120 [JAVA 8] Joining Strings

Lecture 121 The format() method in String

Lecture 122 System.out.printf() method

Lecture 123 Understanding how String objects are immutable

Lecture 124 How to create mutable strings in Java

Lecture 125 Demo of creating mutable strings in Java

Lecture 126 [JAVA 15] Text Block in Java

Lecture 127 Converting String to primitive data type values - Theory

Lecture 128 Converting String to primitive data type values - Demo

Section 7: Operators in Java

Lecture 129 DETAILS OF SOURCE CODE AND PDF CONTENT

Lecture 130 Introduction to Operators & Operands in Java

Lecture 131 Operators categorisation in Java

Lecture 132 Expressions in Java

Lecture 133 Assignment Operator in Java - Part 1

Lecture 134 Assignment Operator in Java - Part 2

Lecture 135 Introduction to Arithmetic Operators in Java

Lecture 136 Addition Operator in Java - Part 1

Lecture 137 Addition Operator in Java - Part 2

Lecture 138 String Concatenation Operator

Lecture 139 Division Operator in Java

Lecture 140 Modulus Operator in Java

Lecture 141 Unary plus and minus operators

Lecture 142 Compound Arithmetic Assignment Operators in Java

Lecture 143 Increment and Decrement operators in Java - Part 1

Lecture 144 Increment and Decrement operators in Java - Part 2

Lecture 145 Introduction to Relational Operators in Java

Lecture 146 Equality Operator in Java - Part 1

Lecture 147 Equality Operator in Java - Part 2

Lecture 148 Inequality Operator in Java

Lecture 149 Greater than, Greater than or equal, Less than, Less than or equal operators

Lecture 150 Introduction to Logical Operators in Java

Lecture 151 Logical NOT operator in Java

Lecture 152 Logical Short-Circuit AND, Logical AND operators in Java - Theory

Lecture 153 Logical Short-Circuit AND, Logical AND operators in Java - Demo

Lecture 154 Logical Short-Circuit OR, Logical OR operators in Java - Theory

Lecture 155 Logical Short-Circuit OR, Logical OR operators in Java - Demo

Lecture 156 Logical XOR operator in Java

Lecture 157 Compound Logical Assignment Operators in Java

Lecture 158 Bitwise Operators in Java

Lecture 159 Bitwise NOT operator or 1’s complement in Java

Lecture 160 Bitwise AND operator in Java

Lecture 161 Bitwise OR operator in Java

Lecture 162 Bitwise XOR operator in Java

Lecture 163 Left Shift operator in Java

Lecture 164 Signed Right Shift operator in Java

Lecture 165 Unsigned Right Shift operator in Java

Lecture 166 Compound assignment bitwise operators in Java

Lecture 167 Ternary or Conditional operator in Java

Lecture 168 Introduction to Java operators Precedence & Associativity

Lecture 169 Details of Java operators Precedence & Associativity

Section 8: Control flow statements in Java

Lecture 170 DETAILS OF SOURCE CODE AND PDF CONTENT

Lecture 171 Introduction to Control flow statements in Java

Lecture 172 Deep dive on if, else if, else statements in Java - Theory

Lecture 173 Demo of if, else if, else statements in Java - Part 1

Lecture 174 Demo of if, else if, else statements in Java - Part 2

Lecture 175 Nested if- else if - else statements

Lecture 176 Ternary operator in the place of if-else statement

Lecture 177 Deep dive on switch case statement - Theory

Lecture 178 Deep dive on switch case statement - Demo

Lecture 179 [JAVA 14] Deep dive on switch expression - Theory

Lecture 180 [JAVA 14] Deep dive on switch expression - Demo

Lecture 181 Funny memes around if and switch statements

Lecture 182 Deep dive on while statement - Theory

Lecture 183 Deep dive on while statement - Demo

Lecture 184 Deep dive on do while statement

Lecture 185 Deep dive on for loop - Theory

Lecture 186 Deep dive on for loop - Demo

Lecture 187 Deep dive on nested for loops

Lecture 188 break statement - Theory

Lecture 189 break statement - Demo

Lecture 190 continue statement

Lecture 191 return statement

Lecture 192 Local variables & Scope - Theory

Lecture 193 Local variables & Scope - Demo

Section 9: packages in Java

Lecture 194 DETAILS OF SOURCE CODE AND PDF CONTENT

Lecture 195 Introduction to the structuring of code in Java projects

Lecture 196 Introduction to packages & benefits of them

Lecture 197 Creating a package - Part 1

Lecture 198 Creating a package - Part 2

Lecture 199 Rules & standards to name a package

Lecture 200 Using package members with import statement

Lecture 201 The great java.lang package

Lecture 202 The static import statements

Lecture 203 Important points about packages & imports

Lecture 204 Introduction to access modifiers

Lecture 205 Demo of access modifiers for java classes

Lecture 206 Demo of access modifiers for methods, fields in classes

Lecture 207 access modifiers real life analogies

Lecture 208 Deep dive on POJO classes - Part 1

Lecture 209 Deep dive on POJO classes - Part 2

Section 10: Inheritance in Java

Lecture 210 DETAILS OF SOURCE CODE AND PDF CONTENT

Lecture 211 Agenda of the section & quick revision of OOPs concepts

Lecture 212 Introduction to Inheritance in Java

Lecture 213 Deep dive on Inheritance - Theory

Lecture 214 Inheritance Demo - Part 1

Lecture 215 Inheritance Demo - Part 2

Lecture 216 Object class is the default Superclass

Lecture 217 is-a & has-a relationships in Java

Lecture 218 What a subclass inherits from its superclass

Lecture 219 Introduction to upcasting in Java

Lecture 220 Demo of upcasting - Part 1

Lecture 221 Demo of upcasting - Part 2

Lecture 222 Introduction to downcasting & it's demo

Lecture 223 instanceof Operator

Lecture 224 [JAVA 16] instanceof Operator with pattern matching

Lecture 225 Static Binding and Dynamic Binding in Java

Lecture 226 What is Polymorphism in Java

Lecture 227 Method Overriding - Theory

Lecture 228 Method Overriding - Demo

Lecture 229 Demo of dynamic polymorphism using method overriding

Lecture 230 super keyword to invoke super class methods from sub class

Lecture 231 Method Overloading - Theory

Lecture 232 Method Overloading - Demo

Lecture 233 Method overriding vs Method overloading

Lecture 234 Method hiding in Java Inheritance

Lecture 235 Field hiding in Java Inheritance

Lecture 236 The story of constructors & Inheritance together - Part 1

Lecture 237 The story of constructors & Inheritance together - Part 2

Lecture 238 this and super keywords in Java

Lecture 239 Types of Inheritance in Java

Lecture 240 abstract methods and classes - Part 1

Lecture 241 abstract methods and classes - Part 2

Lecture 242 final keyword in Java

Lecture 243 [JAVA 17] sealed classes & interfaces

Lecture 244 Funny memes of Inheritance

Section 11: Interfaces in Java

Lecture 245 DETAILS OF SOURCE CODE AND PDF CONTENT

Lecture 246 Introduction to Interfaces

Lecture 247 How to create an interface

Lecture 248 Implementing a interface in Java

Lecture 249 Advantages of interfaces

Lecture 250 Constant Field Declarations in interface

Lecture 251 Different method declarations allowed in interface

Lecture 252 [JAVA 8] Why we need default methods in interfaces

Lecture 253 [JAVA 8] How to build default methods in interfaces

Lecture 254 [JAVA 8] How to build static methods in interfaces

Lecture 255 Multiple Inheritance using interfaces - Part 1

Lecture 256 Multiple Inheritance using interfaces - Part 2

Lecture 257 Interface defines a new type

Lecture 258 Marker Interface

Lecture 259 [JAVA 8] Functional Interface

Lecture 260 Class Vs Abstract Class Vs Interface

Section 12: Arrays in Java

Lecture 261 DETAILS OF SOURCE CODE AND PDF CONTENT

Lecture 262 What is a Array in Java

Lecture 263 Declaring & initializing Arrays - Part 1

Lecture 264 Declaring & initializing Arrays - Part 2

Lecture 265 Arrays length

Lecture 266 Iterate elements of Array using for loop

Lecture 267 Iterate elements of Array using for-each loop

Lecture 268 Arrays advantages and disadvantages

Lecture 269 Copying Arrays using loops

Lecture 270 Copying Arrays using arraycopy and copyOf methods

Lecture 271 Converting Arrays

Lecture 272 Sorting Arrays

Lecture 273 Searching an Array

Lecture 274 Filling an Array

Lecture 275 Introduction to multidimensional or nested arrays

Lecture 276 Two-Dimensional or 2D Arrays - Theory

Lecture 277 Two-Dimensional or 2D Arrays - Demo

Lecture 278 Addition of two matrices using 2D arrays

Lecture 279 Jagged Arrays

Lecture 280 Three-Dimensional or 3D Arrays

Lecture 281 Funny memes of Arrays

Section 13: Accept input using BufferedReader and Scanner

Lecture 282 DETAILS OF SOURCE CODE AND PDF CONTENT

Lecture 283 Agenda of the section

Lecture 284 Understanding System.out.println

Lecture 285 Demo of Java Basic Input

Lecture 286 Introduction to BufferedReader

Lecture 287 Demo of BufferedReader

Lecture 288 BufferedReader examples to identify even number and sum

Lecture 289 BufferedReader example to identify prime number

Lecture 290 BufferedReader example to read the file content

Lecture 291 Introduction to Scanner & Demo - Part 1

Lecture 292 Introduction to Scanner & Demo - Part 2

Lecture 293 Scanner example to read the file content

Lecture 294 Comparison of BufferedReader and Scanner

Lecture 295 Don’t use System.out.println in Production code

Lecture 296 Logging in Java - Part 1

Lecture 297 Logging in Java - Part 2

Section 14: Exception handling using try, catch and finally

Lecture 298 DETAILS OF SOURCE CODE AND PDF CONTENT

Lecture 299 Agenda of the section

Lecture 300 Taste of first Exception

Lecture 301 try-catch block - Part 1

Lecture 302 try-catch block - Part 2

Lecture 303 multiple catch blocks - Part 1

Lecture 304 [JAVA 7] multiple catch blocks - Part 2

Lecture 305 finally block

Lecture 306 [JAVA 7] try- with-resources statement

Lecture 307 Rules while handling exceptions

Lecture 308 The Exception Hierarchy - Part 1

Lecture 309 The Exception Hierarchy - Part 2

Lecture 310 Checked Exceptions

Lecture 311 Unchecked Exceptions

Lecture 312 throws keyword

Lecture 313 throw keyword

Lecture 314 Differences between throw and throws keyword

Lecture 315 Exception Propagation

Lecture 316 Nested try block

Lecture 317 Custom Checked Exception

Lecture 318 Custom Unchecked Exception

Lecture 319 final, finally and finalize

Lecture 320 Funny memes around exception handling

Section 15: Unmasking Java's Superclass(java.lang.Object) Secrets

Lecture 321 DETAILS OF SOURCE CODE AND PDF CONTENT

Lecture 322 Introduction to the methods in Object class

Lecture 323 Deep dive on getClass() in Object class

Lecture 324 Deep dive on hashCode() in Object class - Part 1

Lecture 325 Deep dive on hashCode() in Object class - Part 2

Lecture 326 Deep dive on equals() in Object class

Lecture 327 Override hashCode() & equals() methods

Lecture 328 Override hashCode() & equals() methods using IntelliJ

Lecture 329 Deep dive on toString() in Object class

Lecture 330 Demo of hashCode(), equals() & toString() methods of String

Lecture 331 Deep dive on finalize() in Object class

Lecture 332 Deep dive on clone() in Object class

Lecture 333 Details about Shallow cloning & Deep cloning - Theory

Lecture 334 Details about Shallow cloning & Deep cloning - Demo

Lecture 335 Mutable and Immutable objects - Theory

Lecture 336 Mutable and Immutable objects - Demo

Lecture 337 [JAVA 16] Record classes - Part 1

Lecture 338 [JAVA 16] Record classes - Part 2

Lecture 339 [JAVA 10] var (local variable type inference) - Part 1

Lecture 340 [JAVA 10] var (local variable type inference) - Part 2

Section 16: Introduction to Collections & Wrapper Classes

Lecture 341 DETAILS OF SOURCE CODE AND PDF CONTENT

Lecture 342 Arrays have limitations

Lecture 343 What are Collections & why they accept only objects

Lecture 344 Introduction to Wrapper Classes

Lecture 345 Convert Primitive Type to Wrapper Objects (Boxing)

Lecture 346 Convert Wrapper Objects into Primitive Types (Unboxing)

Lecture 347 Autoboxing and unboxing - Theory

Lecture 348 Autoboxing and unboxing - Demo

Lecture 349 Caching with valueOf() methods

Lecture 350 Java Collection Framework Hierarchy

Section 17: Lists and ArrayLists Unleashed – A Hilarious Journey through Data Structures

Lecture 351 DETAILS OF SOURCE CODE AND PDF CONTENT

Lecture 352 Deep dive on the Collection Interface

Lecture 353 [JAVA 21] Deep dive on the Sequenced Collections

Lecture 354 Deep dive on the List Interface

Lecture 355 How to create objects of ArrayList

Lecture 356 Demo of ArrayList

Lecture 357 [JAVA 7] Diamond Operator in Java

Lecture 358 ArrayList performance

Lecture 359 [JAVA 9] Creating Immutable Lists

Lecture 360 Iterate ArrayList using for-each and iterator()

Lecture 361 Iterate ArrayList using listIterator()

Lecture 362 Sorting ArrayList using sort() methods

Lecture 363 Sorting ArrayList using custom Comparator

Lecture 364 Sorting ArrayList of custom data type using Comparable

Lecture 365 Sorting ArrayList of custom data type using Comparator

Lecture 366 Arrays vs ArrayList

Section 18: LinkedLists - Java's Dance of Nodes

Lecture 367 DETAILS OF SOURCE CODE AND PDF CONTENT

Lecture 368 Introduction of LinkedList

Lecture 369 How to create objects of LinkedList

Lecture 370 Demo of LinkedList

Lecture 371 Iterate LinkedList elements

Lecture 372 Sorting LinkedList elements

Lecture 373 LinkedList performance

Lecture 374 ArrayList vs LinkedList

Lecture 375 Funny memes around LinkedList

Section 19: Generics in Java

Lecture 376 DETAILS OF SOURCE CODE AND PDF CONTENT

Lecture 377 Introduction to Generics in Java

Lecture 378 Why we need Generics in Java

Lecture 379 Generic class in Java - Demo

Lecture 380 Generics methods in Java - Demo

Lecture 381 Collections with out Generics - Demo

Lecture 382 Covariance Demo

Lecture 383 Subtype or Upper Bound Wildcards

Lecture 384 Supertype or Lower Bound Wildcards

Lecture 385 Unbounded Wildcards

Section 20: Deep dive on Map, HashMap, TreeMap, LinkedHashMap

Lecture 386 DETAILS OF SOURCE CODE AND PDF CONTENT

Lecture 387 Introduction to Map in Java

Lecture 388 Demo of HashMap

Lecture 389 How HashMap Store Key, Value

Lecture 390 How HashMap retrieve Value

Lecture 391 [JAVA 8] HashMap improvements in Java 8

Lecture 392 Iterating HashMap using keySet() and entrySet()

Lecture 393 Iterating HashMap using values()

Lecture 394 Introduction to TreeMap in Java

Lecture 395 Demo of TreeMap in Java

Lecture 396 Demo of LinkedHashMap in Java

Lecture 397 [JAVA 9] Creating Immutable Maps

Section 21: Set, HashSet, TreeSet, LinkedHashSet

Lecture 398 DETAILS OF SOURCE CODE AND PDF CONTENT

Lecture 399 Introduction to Set in Java

Lecture 400 Demo of HashSet

Lecture 401 How HashSet works internally

Lecture 402 Iterating HashSet

Lecture 403 Set operations

Lecture 404 Demo of TreeSet in Java

Lecture 405 Demo of LinkedHashSet in Java

Lecture 406 [JAVA 9] Creating Immutable Sets

Lecture 407 List vs Set

Section 22: Enums in Java

Lecture 408 DETAILS OF SOURCE CODE AND PDF CONTENT

Lecture 409 Introduction to Enums

Lecture 410 Problems with normal Java class constants approach

Lecture 411 Demo of Enum approach

Lecture 412 More details about enum - Part 1

Lecture 413 More details about enum - Part 2

Lecture 414 Associating Data to Enum Constants

Lecture 415 Demo of EnumSet and it's important methods

Lecture 416 Advantages of Enums

Section 23: Date and Time in Java

Lecture 417 DETAILS OF SOURCE CODE AND PDF CONTENT

Lecture 418 How Java supports Date and Time

Lecture 419 Why a new Date API introduced in Java 8

Lecture 420 Demo of java.util.Date - Part 1

Lecture 421 Demo of java.util.Date - Part 2

Lecture 422 Date formatting and parsing using SimpleDateFormat

Lecture 423 Demo of java.sql.Date

Lecture 424 Demo of java.util.Calendar - Part 1

Lecture 425 Demo of java.util.Calendar - Part 2

Lecture 426 TimeZone specific Date and Time

Lecture 427 [JAVA 8] Introduction to new Date & Time API from Java 8

Lecture 428 [JAVA 8] The of() methods in java.time Date and Time API

Lecture 429 [JAVA 8] The from() & withXxx() methods in java.time Date and Time API

Lecture 430 [JAVA 8] The toXxx() & atXxx() methods in java.time Date and Time API

Lecture 431 [JAVA 8} The getXxx(), plusXxx() and minusXxx() methods in new Date & Time API

Lecture 432 [JAVA 8] Introduction to Instant and Duration in java.time Date and Time API

Lecture 433 [JAVA 8] Demo of Instant and Duration in java.time Date and Time API

Lecture 434 [JAVA 8] Period in java.time Date and Time API

Lecture 435 [JAVA 8] The multipliedBy(), dividedBy() & negated() methods

Lecture 436 [JAVA 8] The truncatedTo() method

Lecture 437 [JAVA 8] Demo of ZoneId, ZonedDateTime

Lecture 438 [JAVA 8] Demo of ZoneOffset

Lecture 439 [JAVA 8] Demo of OffsetDateTime and OffsetTime

Lecture 440 [JAVA 8] Demo of Day Light Saving with ZonedDateTime

Lecture 441 [JAVA 8] Non-ISO Calendars in java.time Date and Time API

Lecture 442 [JAVA 8] Formatting Dates and Times using DateTimeFormatter

Lecture 443 [JAVA 8] Parsing Dates and Times using DateTimeFormatter

Lecture 444 Funny memes around Java Date and Time APIs

Section 24: [JAVA 8] Functional Programming using lambda expressions

Lecture 445 DETAILS OF SOURCE CODE AND PDF CONTENT

Lecture 446 Introduction to Functional Programming

Lecture 447 Imperative style vs functional style programming

Lecture 448 What are lambda expressions and their syntax

Lecture 449 How to build Lambda expressions

Lecture 450 Deep dive on Functional Interfaces

Lecture 451 How Functional Interface & Lambda expressions are linked - Part 1

Lecture 452 How Functional Interface & Lambda expressions are linked - Part 2

Lecture 453 Anonymous inner class in the place of lambda expressions

Lecture 454 Predefined Functional interfaces inside JDK

Lecture 455 Deep dive on Predicate functional interface - Part 1

Lecture 456 Deep dive on Predicate functional interface - Part 2

Lecture 457 Deep dive on Function functional interface

Lecture 458 Deep dive on UnaryOperator interface

Lecture 459 Deep dive on Consumer interface

Lecture 460 Deep dive on Supplier interface

Lecture 461 Deep dive on BiFunctional Interfaces - Part 1

Lecture 462 Deep dive on BiFunctional Interfaces - Part 2

Lecture 463 Primitive Type functional interfaces - Theory

Lecture 464 Primitive Type functional interfaces - Demo

Lecture 465 Deep dive on Lexical Scoping of Lambda expressions

Lecture 466 this and super inside lambda expression

Lecture 467 Funny memes around Functional Programming

Section 25: [JAVA 8] Building Lambda expressions using Method References

Lecture 468 DETAILS OF SOURCE CODE AND PDF CONTENT

Lecture 469 Introduction to Method References

Lecture 470 Demo of Static Method Reference

Lecture 471 Demo of Instance Method Reference

Lecture 472 Demo of Instance method Reference using Class type

Lecture 473 Demo of Constructor Reference

Section 26: [JAVA 8] Streams API

Lecture 474 DETAILS OF SOURCE CODE AND PDF CONTENT

Lecture 475 Introduction to java.util.stream API

Lecture 476 Creating a Stream from collections - Part 1

Lecture 477 Creating a Stream from collections - Part 2

Lecture 478 Streams have no storage

Lecture 479 Introduction to Streams Pipeline

Lecture 480 Demo of Streams map() method

Lecture 481 Introduction to Streams flatMap() method

Lecture 482 Demo of Streams flatMap() method

Lecture 483 Demo of Streams filter() method

Lecture 484 Demo of Streams limit() method

Lecture 485 Demo of Streams skip() method

Lecture 486 Streams are traversable only once

Lecture 487 Introduction to Streams reduce() method

Lecture 488 Demo of Streams reduce() method

Lecture 489 Demo of Streams collect() method

Lecture 490 Demo of Streams collectingAndThen() method

Lecture 491 Demo of Streams groupingBy() and partitioningBy() method

Lecture 492 Finding and Matching methods in Streams

Lecture 493 Quick revision about stream pipeline

Lecture 494 Deep dive on parallel streams and demo

Lecture 495 Collections Vs Streams

Section 27: [JAVA 8] Optional to deal with nulls in Java

Lecture 496 DETAILS OF SOURCE CODE AND PDF CONTENT

Lecture 497 Introduction to Optional class

Lecture 498 Demo of Optional - Part 1

Lecture 499 Demo of Optional - Part 2

Lecture 500 Demo of ifPresent, ifPresentOrElse, orElse, orElseGet methods

Lecture 501 Demo of orElseThrow, map, filter methods

Lecture 502 Quick tip to filter null elements with Stream API

Section 28: MultiThreading in Java

Lecture 503 DETAILS OF SOURCE CODE AND PDF CONTENT

Lecture 504 What is MultiThreading

Lecture 505 How a program or a software executes inside a computer

Lecture 506 Parallel vs Concurrent Execution

Lecture 507 How multiple threads improve performance

Lecture 508 Creating Threads in Java - Part 1

Lecture 509 Creating Threads in Java - Part 2

Lecture 510 MultiThreading Demo Program

Lecture 511 Demo of Thread methods getId, threadId, getName, setName, currentThread, sleep

Lecture 512 Demo of Thread method join, getPriority, setPriority

Lecture 513 Demo of wait(), notify(), notifyAll() - Part 1

Lecture 514 Demo of wait(), notify(), notifyAll() - Part 2

Lecture 515 Introduction to Race condition & synchronized keyword

Lecture 516 Demo of synchronized methods and blocks

Lecture 517 Introduction to volatile keyword

Lecture 518 Demo of volatile keyword

Lecture 519 Introduction to Deadlock

Lecture 520 Demo Deadlock & possible fixes

Lecture 521 [JAVA 21] Introduction to Virtual Threads - Part 1

Lecture 522 [JAVA 21] Introduction to Virtual Threads - Part 2

Lecture 523 [JAVA 21] Introduction to Virtual Threads - Part 3

Lecture 524 [JAVA 21] Demo of Virtual Threads

Section 29: Thank You & Congratulations

Lecture 525 Congratulations & Thank You

Lecture 526 Bonus lectures

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