SimpleSingleton.java

public class SimpleSingleton {

	// this will hold the instance of the class
	private static SimpleSingleton instance;

	// this will be our constructor it's empty for no reason you can put
	// anything necessary to instantiate your class
	private SimpleSingleton() {}

	//this is the static method to return the instance of the class 	
	public static SimpleSingleton getInstance() {
		
		//we only create the object when we need it 
		if(instance == null){
			instance = new SimpleSingleton();
		}
		return instance;
	}
}