Java Intro In Practice With 35+ Exercises And Quizzes - 2025

Java Introduction: IDEs, Data Types, Variables, Operators, if-else, switch Statements, Loops, Methods, Arrays, Strings

What you'll learn

Java

Java Development Kit (JDK) setup

Basic Java program execution

Integrated Development Environment (IDE) understanding

Primitive data types usage

Variable declaration and initialization

Type casting

Primitive and non-primitive data type differentiation

Array and string declaration

Variable naming conventions

Variable scope

Console output

Console input using the Scanner class

Arithmetic operators usage

Comparison and logical operators usage

Operator precedence understanding

if-else statement usage

Switch statement usage

Loop usage (for, while, do-while)

Loop control (break, continue)

Method definition and invocation

Method overloading

Recursion in methods

Array manipulation

String immutability understanding

String concatenation

String comparison

String formatting

String pool concept

Requirements

Good news! There are no prerequisites for this course - it's perfect for anyone who's just getting started with programming. You don’t need any prior coding experience, and we’ll guide you through every step from the very basics.

A computer (Windows, macOS, or Linux) to write and run Java programs.

Basic computer skills, like installing software and managing files.

Excitement to learn Java and have fun exploring the world of coding!

Description

Welcome to the World of Java Programming!Welcome to our Java Introduction Course! We are happy to have you here as you begin your journey into programming or grow your skills. This course is perfect for everyone—whether you’re just starting, thinking about switching careers, or simply curious about coding. You don’t need a computer science degree to join—just a desire to learn.Why Take This Course?At ITER Academy, we have already taught over 1,000 students in classrooms. Now, we are bringing all that knowledge and experience online, so more people can benefit. Your teacher, Andrii Partola, is a Senior Java Engineer who works with Java every day. He uses Java to create powerful and complex programs for real companies. He has taken his real-world experience and turned it into lessons that are easy to understand and fun to follow.Who Can Learn Java with Us?This course is made for everyone.Complete beginners: Even if you’ve never written a single line of code, this course will guide you step by step.Career changers: If you want to start a new career in tech, this course will give you the tools you need.Anyone curious about programming: If you’ve always wanted to try coding, this is a great place to start.Learn with Real-Life ExamplesLearning is easier when you can see how things work. That’s why this course is full of real-life examples. You’ll see how Java is used to solve problems, so you can understand not just what you’re learning, but also why it’s useful. These examples will help you remember things better and prepare you to use Java on your own.Quizzes to Check Your KnowledgeTo make sure you really understand the material, this course includes quizzes after many lessons. These quizzes will help you review important ideas and see how much you’ve learned. They’re a fun way to test yourself and feel confident before moving on to the next topic.Practice Coding with ExercisesThe best way to learn programming is by writing code yourself. That’s why this course has lots of coding exercises. These exercises give you a chance to practice what you’ve learned and solve problems like a real programmer. By doing this, you’ll get better and more confident with every lesson.Lessons Designed for SuccessWe didn’t just create this course from scratch. We studied many other popular courses to learn what works best. Every lesson in this course is carefully organized, so it’s easy to follow and makes sense step by step. Each lesson is packed with useful information, so you learn quickly without wasting time.Free Access to All CodeAll the code written in this course is available on GitHub. You can download it, use it, and practice with it whenever you need. This means you’ll always have access to examples to help you as you keep learning.Why Choose ITER Academy?Practical knowledge: Learn the skills that are used in real programming jobs.Simple and clear lessons: No confusing words or hard-to-follow explanations.Step-by-step structure: Each lesson builds on the last one, so you never feel lost.Experienced teacher: Learn from a professional Java engineer with years of experience.Start Learning TodayWith easy-to-follow lessons, plenty of examples, quizzes, and exercises, this course gives you everything you need to become confident in Java programming. Join us today and let’s start your journey into the world of coding together!

Overview

Section 1: Introduction

Lecture 1 Introduction to the course

Section 2: Setting up the development environment

Lecture 2 Setting up the development environment (Windows)

Lecture 3 Setting up the development environment (macOS)

Lecture 4 Troubleshooting Common Setup Issues

Section 3: Creating and Running a Simple Java Program

Lecture 5 Creating and Running a Simple Java Program (Windows)

Lecture 6 Creating and Running a Simple Java Program (macOS)

Section 4: IDEs

Lecture 7 Introduction to IDEs and its importance

Lecture 8 Setting up an IDE

Section 5: Data types and variables

Lecture 9 Data types and variables - Introduction

Lecture 10 Primitive Data Types

Lecture 11 Non-Primitive Data Types

Lecture 12 Variable Naming Conventions and Scope

Section 6: Reading and Writing to the Console

Lecture 13 Writing to the console

Lecture 14 Reading from the console

Section 7: Operators

Lecture 15 Operators

Lecture 16 Operator precedence

Lecture 17 Common pitfalls and best practices

Section 8: if-else Statements

Lecture 18 if-else Statements

Section 9: Switch Statements

Lecture 19 Switch Statements

Section 10: Loops

Lecture 20 Loops

Section 11: Methods

Lecture 21 Methods

Section 12: Arrays

Lecture 22 Arrays

Section 13: Strings

Lecture 23 Strings

Lecture 24 String Objects

Lecture 25 String Concatenation

Lecture 26 String Comparison

Lecture 27 String Formatting

Lecture 28 String Pool

Newcomers to programming: You’ve never written a line of code before, and you’re eager to start with one of the most widely-used languages - Java!,Students or professionals looking to build a foundation in programming to advance in fields like software development, data science, or game development.,Self-learners who enjoy online learning and want a structured, beginner-friendly path to mastering Java.,Career changers who are looking to enter the tech industry and want to start their journey with a strong foundation in Java.,Hobbyists and tinkerers who want to learn how to build small programs and understand how coding works.