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java sort()怎么实现的_Java中Array.sort()的排序原理

發布時間:2024/2/28 java 40 豆豆
生活随笔 收集整理的這篇文章主要介紹了 java sort()怎么实现的_Java中Array.sort()的排序原理 小編覺得挺不錯的,現在分享給大家,幫大家做個參考.

People[]people={newPeople("小飛飛","2","2:41:28"),newPeople("小國","2","11:1:32"),newPeople("小威","4","17:23:3"),newPeople("大飛","2","14:52:13"),newPeople("晶晶","1","2...

People[] people={

new People("小飛飛","2","2:41:28"),

new People("小國","2","11:1:32"),

new People("小威","4","17:23:3"),

new People("大飛","2","14:52:13"),

new People("晶晶","1","2:18:25"),

new People("死佳","2","4:13:15"),

new People("旭旭","2","4:48:39"),

new People("阿雪","1","3:34:13"),

new People("小強","1","2:53:47") };

Arrays.sort(people);

為什么它會用第二個字符串排序呢,sort的底層排序是什么原理啊!求各位大蝦指點!在線等。。。。。。。

我的People類

class People implements Comparable{

String name;

String times;

String time;

public People(String name,String times,String time){

this.name=name;

this.times=times;

this.time=time;

}

public int compareTo(People p1){

int countc=times.compareTo(p1.times);

int countt=p1.time.compareTo(p1.time);

return countc!=0?countc:countt;

}

public String toString(){

return name+" "+times+" "+time;

}

}

一樓說的優先級問題,但我的都是字符串啊,問什么它他按第一個字符串的字典順序排呢,第二個字符串難道會在Java內部自動轉換成字符串,然后在按優先級排序嗎,還是不太懂,大蝦在指點一下

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