class Number<T> {   
	  private T value;   
	  
	  Number(T v) {
		  value = v;
	  }
      public T Value() {
          return value; 
      }
   }

	/*  
	  public void set_value(T t) {   
	    x = t;   
	  }   
	  public T get_value() {   
	    return x;   
	  }   
}
*/
//---------------------------------------------
class Vector<T> {   
	  private T x;   
	  public void set_value(T t) {   
	    x = t;   
	  }   
	  public T get_value() {   
	    return x;   
	  }   
}

public class aaa {
	public static void main(String[] args) {
		/*
         Vector<Object> v = new Vector<Object>();
         v.set_value(new String("dog"));
         System.out.println(v.get_value());
         
         Integer a;
         Double k;
         */
		 Number<Long> a = new Number<Long>(new Long(888));
		 Number<String> b = new Number<String>("dog");
		 System.out.println( a.Value() + ", " + b.Value());
     }
}