import java.util.*;

class Employee {
   private String name;   
   private double salary;

   public Employee(String n, double s)  { /* do nothing */}
   
   public String toString() {return name+" ($"+salary+") ";}
}



public class Main {

   public static void main(String[] args) // unit test for Employee class
   {
      Employee a = new Employee("Harry",10000);
      System.out.println(a); //null (0,0)  

      
//      String s;
//      int x;
//      System.out.println(s); // Error: The local variable s may not have been initialized
//      System.out.println(x); // Error: The local variable s may not have been initialized
      
   }
}