May 18, 2017

Sreekanth B

Write a Singleton Class Java Program


Write a singleton class?


Singleton class means you can create only one object for the given class. You can create a singleton class by making its constructor as private, so that you can restrict the creation of the object. Provide a static method to get instance of the object, wherein you can handle the object creation inside the class only. In this example we are creating object by using static block.


package com.java2novice.algos;

public class MySingleton {

    private static MySingleton myObj;
        myObj = new MySingleton();
    private MySingleton(){
    public static MySingleton getInstance(){
        return myObj;
    public void testMe(){
        System.out.println("Hey.... it is working!!!");
    public static void main(String a[]){
        MySingleton ms = getInstance();

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