Program to explain that a subclass can add its own type parameters in Java

//  Program to explain that a subclass can add its own type parameters.
class  Gen<T> 
{
T ob;
Gen(T o) 
{
 ob = o;
}
T getob() 
{
 return ob;
}
}
class  Gen2<T, V> extends Gen<T> 
{
V ob2;
Gen2(T o, V o2) 
{
 super(o);
 ob2 = o2;
}
V getob2() 
{
 return ob2;
}
}
public class  GenericTest15e 
{
public static void main(String args[ ]) 
{
 Gen2<String, Integer> x = new Gen2<String, Integer>("Value is: ", 100);
 System.out.print(x.getob());
 System.out.println(x.getob2());
}
}

Output:
Value is: 100