Java toString()在多继承关系中的应用

忘是亡心i 2022-09-18 11:48 107阅读 0赞

package com.test.javaSe;
    
    abstract class Person {
    	private int age;
    	private String name;
    
    	public int getAge() {
    		return age;
    	}
    
    	public void setAge(int age) {
    		this.age = age;
    	}
    
    	public String getName() {
    		return name;
    	}
    
    	public void setName(String name) {
    		this.name = name;
    	}
    
    	public void say() {
    	};
    
    	public abstract void run();
    
    	@Override
    	public String toString() {
    		// TODO Auto-generated method stub
    		return this.name + " " + this.age;
    	}
    }
    
    abstract class Student extends Person {
    	String schoolName;
    
    	public abstract int getPropertityes();
    
    	public String getSchoolName() {
    		return schoolName;
    	}
    
    	public void setSchoolName(String schoolName) {
    		this.schoolName = schoolName;
    	}
    
    	@Override
    	public String toString() {
    		// TODO Auto-generated method stub
    		return super.toString() + " " + this.schoolName;
    	}
    }
    
    class Graduate extends Student {
        int classId;
    	public int getClassId() {
    		return classId;
    	}
    
    	public void setClassId(int classId) {
    		this.classId = classId;
    	}
    
    	@Override
    	public void run() {
    		// TODO Auto-generated method stub
    		System.out.println("run.....");
    	}
    
    	@Override
    	public int getPropertityes() {
    		// TODO Auto-generated method stub
    		return 0;
    	}
    	@Override
    	public String toString() {
    		// TODO Auto-generated method stub
    		return super.toString()+" "+this.classId;
    	}
    }
    
    public class AbstractTest {
    
    	/**
    	 * @param args
    	 */
    	public static void main(String[] args) {
    		// TODO Auto-generated method stub
    		Person p = new Graduate();
    		Graduate g = new Graduate();
    		g.setAge(22);
    		g.setName("ctl");
    		g.setSchoolName("kjxy");
    		g.setClassId(2010151430);
    		p = g;
    		System.out.println(p);
    //ctl 22 kjxy 2010151430
    
    	}
    
    }