import java.util.*;

class Employee {

    String name;
    int salary;
    
    public Employee(String n, int s) {
	name = n;
        salary = s;
    }

    public String toString() {

	return (name + " : " + salary);
    }
}

class HTExample {

    public static void main(String args []) {

	Hashtable<String,Employee> h = new Hashtable<String,Employee>();
        Employee e = new Employee("Phil", 22500);
        h.put(e.name, e);
        e = new Employee("Jack", 30000);
        h.put(e.name, e);
        e = new Employee("Mary", 27000);
        h.put(e.name, e);
        e = new Employee("Joe", 60000);
        h.put(e.name, e);

        System.out.println(h.get("Mary"));
        System.out.println(h.get("Jane"));

        System.out.println(h.remove("Phil"));
        System.out.println(h.get("Phil"));
    }
}