Top 5 Core Java Concepts Every Beginner Should Know
**Top 5 Core Java Concepts Every Beginner Should Know** If you're starting your journey into Java programming, understanding these core concepts is essential. These principles form the foundation of Java and are frequently asked in interviews and real-world coding scenarios. Core Java Concepts Cover Image 1. Classes and Objects Java is an object-oriented language. Everything in Java revolves around **classes** (blueprints) and **objects** (real instances of classes). java Copy Edit class Student { String name; void display() { System.out.println("Name: " + name); } } 2. Inheritance Inheritance allows one class to inherit the features (variables and methods) of another class using the extends keyword. It promotes code reusability and hierarchical classification . java Copy Edit class Animal { void sound () { System.out.println( "Animal sound" ); } } class Dog extends Animal { void bark () { System.out.println( "Dog barks" ...