Program to explain Generic Interfaces in Java

//  Program to explain Generic Interfaces.
interface MinMax<T extends Comparable<T>> 
{
T min();
T max();
}
class MyClass<T extends Comparable<T>> 
implements MinMax<T> 
{
T[ ] vals;
MyClass(T[ ] o) 
{
 vals = o;
}
public T min() 
{
 T v = vals[0];
 for (int i = 1; i < vals.length; i++)
  if (vals[ i ].compareTo(v) < 0)
   v = vals[ i ];
 return v;
}
public T max() 
{
 T v = vals[0];
 for (int i = 1; i < vals.length; i++)
  if (vals[i].compareTo(v) > 0)
   v = vals[i];
 return v;
}
}
public class GenericTest15j  
{
public static void main(String args[ ]) 
{
 Integer inums[ ] = { 3, 6, 2, 8, 6 };
 Character chs[ ] = { 'A', 'r', 'V', 'w' };
 MyClass<Integer> iob = new MyClass<Integer>(inums);
 MyClass<Character> cob = new MyClass<Character>(chs);
 System.out.println("Max value in inums: " + iob.max());
 System.out.println("Min value in inums: " + iob.min());
 System.out.println("Max value in chs: " + cob.max());
 System.out.println("Min value in chs: " + cob.min());
}
}
 
Output:
Max value in inums: 8
Min value in inums: 2
Max value in chs: V
Min value in chs: A