java-design-patterns/singleton/src/main/java/com/iluwatar/App.java

package com.iluwatar;

/**
 * 
 * Singleton pattern ensures that the class (IvoryTower) can have only
 * one existing instance and provides global access to that instance.
 *
 */
public class App 
{
    public static void main( String[] args )
    {
    	
    	IvoryTower ivoryTower1 = IvoryTower.getInstance();
    	IvoryTower ivoryTower2 = IvoryTower.getInstance();
    	System.out.println("ivoryTower1=" + ivoryTower1);
    	System.out.println("ivoryTower2=" + ivoryTower2);
    	
    }
}