wagetest.java

《Java面向对象程序设计》例子源代码.轻松学习书本.

abstract class Person{
	protected String name;
	protected double classsum;
	public Person(){
		this.name="";
		classsum=0;
	}
	public Person(String name,double classsum){
		this.name=name;
		this.classsum=classsum;
	}
	abstract public double pay();
	
	public String toString(){
		return "姓名："+this.name+"\t工资支出："+this.pay()+"\n";
	}
}
class Assistant extends Person{
	public Assistant(String name,double classsum){
		super(name,classsum);
	}
	public double pay(){
		return 800+classsum*25;
	}
}
class Instructor extends Person{
	public Instructor(String name,double classsum){
		super(name,classsum);
	}
	public double pay(){
		return 1000+classsum*35;
	}	
}
class AssistantProfesson extends Person{
	public AssistantProfesson(String name,double classsum){
		super(name,classsum);
	}
	public double pay(){
		return 1200+classsum*40;
    }	
}
class Professor extends Person{
	public Professor(String name,double classsum){
		super(name,classsum);
	}	
	public double pay(){
		return 1400+classsum*50;
	}	
}
public class WageTest{
	public static void main(String args[]){
		Person ps[]=new Person[4];
		ps[0]=new Assistant("张三",120);
		ps[1]=new Instructor("王二",130);
		ps[2]=new AssistantProfesson("李四",125);
		ps[3]=new Professor("王五",134);
	    String output = "";
        for ( int i = 0; i < ps.length; i++ ) 
           output += ps[ i ];
        System.out.println(output);	
	}
}