Polymorphism in Java
This article contains… What is Polymorphism ? Reference variable types and Object Example of Polymorphism Runtime and Compiletime Polymorphism Example of both SCJP exam objective 5.2
Category Archives: overriding
Unit 8 (Prog 1) : Test Inner Class
In this example, you will find the concept of Inner class in java, how to declare and access the inner class properties. Access modifiers and their effect on inner class properties. Java doc for Inner class in given Here : Inner class in java
Unit 2 (Prog 5) : Constructors in java
Constructor Demo code… /* * 1. Constructor can use any return type. * 2. Constructor name must match the name of class. * 3. constructor must not have a return type. * 4. If you see a method with return type having same name as class than it is just a method. * 5. if… Read More »
Unit 2 (Prog 4) : Test Overloading and Overriding
Overloading v/s Overriding methods… class Operator { public int operation(int x, int y) { System.out.println(“First method invoked from parent class.”); return x + y; }… Read More »
Unit 2 (Prog 3) : Test equals() method.
Testing of equals() method and overriding equals() method of Object class. // Overriding equals() method will make an object identical // to use a object as a key, one has to override equals() method of Object class public class EqualsTest { public static void main(String[] args) { … Read More »