为某个公司编写雇员工资支付程序，三种雇员，getSalary函数

[java]代码库

import java.util.Scanner;
public class Main{
	public static void main(String[] args) {
         Scanner scan = new Scanner(System.in);
         int salary1 = scan.nextInt();
         Employee E1 = new Manager(salary1);
         System.out.println(E1.getSalary());
         int salary2 =scan.nextInt();
         int royalty =scan.nextInt();
         Employee E2 = new Salesman(salary2, royalty);
         System.out.println(E2.getSalary());
         int salary3 = scan.nextInt();
         int num =scan.nextInt();
         Employee E3 = new Worker(num, salary3);
         System.out.println(E3.getSalary());

         scan.close(); 
	}        
} 
class Employee{
	private int salary;
	public Employee(int s) {
		salary = s;
	}
	public int getSalary() {
		return salary;
	}
}

class Manager extends Employee{
	public Manager(int s) {
		super(s);
	}
	public int getSalary() {
		return super.getSalary();
	}
}

class Salesman extends Employee{
	private int royalty;
	public Salesman(int s, int r) {
		super(s);
		royalty = r;
	}
	public int getSalary() {
		return super.getSalary()+royalty;
	}
}

class Worker extends Employee{
	private int num;
	public Worker(int s, int n) {
		super(s);
		num = n;
	}
	public int getSalary() {
		return super.getSalary()*num;
	}
}