public class MySingleton {

   private static MySingleton instance;

   public static MySingleton getInstance() {
       if (instance == null) {
            instance = new MySingleton();
       }
       return instance;
   }

   private MySingleton() {
       //omitted
   }

   public static void main(String[] args) {
       MySingleton koala_man_sucks1 = getInstance();
       MySingleton koala_man_sucks2 = getInstance();
       MySingleton koala_man_sucks3 = getInstance();
       MySingleton koala_man_sucks4 = getInstance();
       MySingleton koala_man_sucks5 = getInstance();
       MySingleton koala_man_sucks6 = getInstance();
       MySingleton koala_man_sucks7 = getInstance();
       MySingleton koala_man_sucks8 = getInstance();
       MySingleton koala_man_sucks9 = getInstance();
       MySingleton koala_man_sucks10 = getInstance();
       MySingleton koala_man_sucks11 = getInstance();
       MySingleton koala_man_sucks12 = getInstance();
       MySingleton koala_man_sucks13 = getInstance();
       MySingleton koala_man_sucks14 = getInstance();
       MySingleton koala_man_sucks15 = getInstance();
       MySingleton koala_man_sucks16 = getInstance();
       MySingleton koala_man_sucks17 = getInstance();
       MySingleton koala_man_sucks18 = getInstance();
       MySingleton koala_man_sucks19 = getInstance();
       MySingleton koala_man_sucks20 = getInstance();
       MySingleton koala_man_sucks21 = getInstance();
       MySingleton koala_man_sucks22 = getInstance();
   }
}