1.public class SuperCalc {2.  protected static int multiply(int a, int b) { return a * b;}3.}and:4.public class SubCalc extends SuperCalc{5.  public static int multiply(int a, int b) {6.   int c = super.multiply(a, b);7.   return c;8.  }9.}and:10.SubCalc sc = new SubCalc ();11.System.out.println(sc.multiply(3,4));12.System.out.println(SubCalc.multiply(2,2));