Method main

patterns/SingletonPattern.java:31–40

(String[] args)

    r.set(val);
  }
  public static void main(String[] args) {
    System.out.println("Inside main()");
    Resource<Integer> ir =
      IntegerSingleton.instance();
    Resource<Integer> ir2 =
      IntegerSingleton.instance();
    show(ir);
    put(ir2, Integer.valueOf(9));
    show(ir);
  }
}
/* Output:
Inside main()