/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
interface employee{
 void saldetails();
 void perdetails();
}
abstract class perEmp implements employee{
 public void perdetails(){
  System.out.println("per details"); }}
 class Programmer extends perEmp{
 public void saldetails(){
  perdetails();
  System.out.println("sal details"); }
 public static void main(String[] args) {
  perEmp emp=new Programmer();
  emp.saldetails(); }}

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