Java Intro in Practice with 35+ Exercises and Quizzes - 2025

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

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.