重写compareTo方法

package com.xiaodong;

import java.util.Collections;

import java.util.LinkedList;

import java.util.List;

public class Text1

{

public static void main(String[] args)

{

Text2 s = new Text2("王二",5);

Text2 s1 = new Text2("王二",45);

System.out.println(s.compareTo(s1)>0?"s大":"s1大");

}

}

class Text2

{

private String a;

private int b;

Text2(String a,int b)

{

this.a = a;

this.b = b;

}

public String getA() {

return a;

}

public void setA(String a) {

this.a = a;

}

public int getB() {

return b;

}

public void setB(int b) {

this.b = b;

}

@Override

public String toString() {

return "Text2 [a=" + a + ", b=" + b + "]";

}

//重写compareTo方法

public int compareTo(Text2 o)

{

int va = 0;

//首先判断两个值不为空

if(this.a!=null&&o.a!=null)

{

//将本类的值减去传进来的类值赋给变量va

va = this.a.compareToIgnoreCase(o.a);

if(va == 0)

{

va = this.b - o.b;

}

}

return va;

}

}

猜你喜欢

转载自blog.csdn.net/zmd_xiaodong/article/details/81811826