wagetest1.java

《Java面向对象程序设计》例子源代码.轻松学习书本.

//WageTest1.java
class Person{
	protected String name;
	protected double classsum;
	public Person(){
		this.name="";
	}
	public Person(String name){
		this.name=name;
	}
}
class Teacher extends Person implements PersonPay{
	private final int baseWage=800;
	private double classsum;
	public Teacher(String name,double classsum){
		super(name);
		this.classsum=classsum;
	}
	public double pay(){
		return baseWage+classsum*30;
	}
	public String toString(){
		return "姓名："+this.name+"\t工资支出："+this.pay()+"\n";
	}
}
class CollegeStudent extends Person implements PersonPay{
	private double scholarship;
	public CollegeStudent(String name,double scholarship){
		super(name);
		this.scholarship=scholarship;
	}
	public double pay(){
		return scholarship;
	}	
	public String toString(){
		return "姓名："+this.name+"\t工资支出："+this.pay()+"\n";
	}
}
public class WageTest1{
	public static void main(String args[]){
		Person ps[]=new Person[2];
		ps[0]=new Teacher("张三",120);
		ps[1]=new CollegeStudent("李四",500);
	    String output = "";
        for ( int i = 0; i < ps.length; i++ ) 
           output += ps[ i ];
        System.out.println(output);	
	}
}