Object-Oriented Programming with Java

Course material for the Java programming module at the University of Sri Jayewardenepura.

Topics

#	Topic	Read	Code
1	Introduction to Java Programming	docs/en/introduction.mdx	HelloWorld.java
2	Data Types and Operators	docs/en/data-types.mdx	DataTypesDemo.java
3	Control Statements	docs/en/control-statements.mdx	ControlDemo.java
4	Introduction to Object Orientation	docs/en/oop-intro.mdx	OOPConcepts.java
5	Classes and Objects	docs/en/classes-objects.mdx	StudentDemo.java
6	Encapsulation	docs/en/encapsulation.mdx	EncapsulationDemo.java
7	Arrays	docs/en/arrays.mdx	ArrayDemo.java
8	Strings	docs/en/strings.mdx	StringDemo.java
9	Inheritance	docs/en/inheritance.mdx	InheritanceDemo.java
10	Polymorphism	docs/en/polymorphism.mdx	PolymorphismDemo.java
11	Abstraction	docs/en/abstraction.mdx	AbstractionDemo.java
12	Exception Handling and Threading	docs/en/exceptions-threads.mdx	ExceptionThreadDemo.java

Running Examples

Each example is a self-contained Java file. Compile and run with:

cd examples/01-introduction
javac HelloWorld.java
java HelloWorld

Prerequisites

• Java Development Kit (JDK) 8 or later
• A text editor or IDE (IntelliJ IDEA, VS Code, Eclipse, etc.)