Sample Java Program for Implementing Singleton.

package com.test;

public class MainTest {

public static void main(String[] args) {

SingletonsTest test = SingletonsTest.getInstance();

SingletonsTest test2 = SingletonsTest.getInstance();

// SingletonTest tss = new SingletonTest();

}

}

class SingletonsTest{

private static SingletonsTest uniqTest;

private SingletonsTest(){

}

public static synchronized SingletonsTest getInstance(){

if(uniqTest == null){

System.out.println("New instances are created====");

uniqTest = new SingletonsTest();

}

return uniqTest;

}

}