list排序

来源：互联网发布：微博情感分析数据集编辑：程序博客网时间：2024/06/06 02:14

public class Paths implements Comparable<Paths>{private String age;public String getAge() {return age;}public void setAge(String age) {this.age= age;}@Overridepublic int compareTo(Paths arg0) {

<span style="white-space:pre"></span>String age2=arg0.paths;

<span style="white-space:pre"></span>if(age>age2)

<span style="white-space:pre"></span>return -1;

<span style="white-space:pre"></span>else if(age==age2)

<span style="white-space:pre"></span>return 0;

<span style="white-space:pre"></span>else if(age<age2)

<span style="white-space:pre"></span> return 1;

if(age==0){

<span style="white-space:pre"></span>return -1

<span style="white-space:pre"></span>};

<span style="white-space:pre"></span>// 如果age==0永远排在第一位

}}

Paths ages=new Paths();<span style="white-space:pre"></span>ages.setAge(24);<span style="white-space:pre"></span>path.add(ages);<span style="white-space:pre"></span>Collections.sort(path);

/**

*retrun -1;位置在...之前

*retrun 0;位置保持不变

*retrun 1;位置在...之后

**/

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