package com.test;public class Bean {    private String name;    private int priority;    public String getName() {        return name;    }    public void setName(String name) {        this.name = name;    }    public int getPriority() {        return priority;    }    public void setPriority(int priority) {        this.priority = priority;    }}

package com.test;import java.util.ArrayList;import java.util.Collections;import java.util.Comparator;import java.util.List;import java.util.Random;public class Test {    @SuppressWarnings({ "unchecked", "rawtypes" })    public static void main(String[] args) {        List
     
       list = new ArrayList
      
       ();        for (int i = 1; i < 10; i++) {            Bean bean = new Bean();            bean.setName("name_" + i);            bean.setPriority(new Random().nextInt(10));            list.add(bean);        }        // 打印        for (Bean b : list) {            System.out.println(b.getPriority() + "|" + b.getName());        }        Collections.sort(list, new Comparator() {            public int compare(Object a, Object b) {                int one = ((Bean) a).getPriority();                int two = ((Bean) b).getPriority();                return one - two;            }        });        System.out.println("--------------------------------");        // 打印        for (Bean b : list) {            System.out.println(b.getPriority() + "|" + b.getName());        }    }}