Java

Curriculum

8 chapters, each with a tutorial, a live example, a quiz, an exercise, a challenge, and class practice.

1. 1

   Introduction to Java

   Classes, the main method, and compiling to the JVM.

   preview
2. 2

   Variables & Types

   Primitives, casting, and String basics.

3. 3

   Control Flow

   if/else, switch, and loops.

4. 4

   OOP Basics: Classes & Objects

   Fields, methods, and constructors.

5. 5

   Inheritance & Polymorphism

   extends, super, and overriding methods.

6. 6

   Collections

   ArrayList, HashMap, and the Collections framework.

7. 7

   Exception Handling

   try/catch/finally and custom exceptions.

8. 8

   Interfaces

   Contracts, implements, and default methods.