Java Tutorials

Type Casting in Java

The idea in one line Casting tells the compiler to treat a value as a different type. For primitives, casting converts the value (possible data loss). For references (objects), casting...

Primitive Data Types in Java

Constructor vs Method in Java

🏗️ Constructor A constructor is a special block used to initialize objects when they are created. ✅ Key Points: Has the same name as the class No return type (not...

Static vs Non-Static members in Java

Basic building blocks of Java program

OOPs Principles

1. Encapsulation – "Data hiding" Binding data (variables) and methods (functions) together in a class. Keeps the internal state safe from outside interference. ✅ Achieved using private variables and public...