Java program to Implement Mathematical functions defined in Java Math class

import java.lang.*;
import java.util.*;
public class minmax
{
  public static void main(String args[])
  {
  int x=10,y=20;
  int x=Math.min(x,y);
  System.out.println("Minimum value between 10 & 20 is "+z);
  int x=Math.max(x,y);
  System.out.println("Maxmimum value between 10 & 20 is "+z);
  }
}