package chc;
public class StuVo implements Comparable<StuVo>{
 private String id;
 private String name;
 private Integer age;
 public StuVo(String id, String name, Integer age) {
  this.id=id;
  this.name=name;
  this.age=age;
 }
 public int compareTo(StuVo stu) {
  return this.name.compareTo(stu.getName());
 }
 public String getId() {
  return id;
 }
 public void setId(String id) {
  this.id = id;
 }
 public String getName() {
  return name;
 }
 public void setName(String name) {
  this.name = name;
 }
 public Integer getAge() {
  return age;
 }
 public void setAge(Integer age) {
  this.age = age;
 }
}

package chc;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;

public class ArrayListSortDemo {
 public static void main(String[] args) {
  List<StuVo> stuList=new ArrayList<StuVo>();
  StuVo stu=new StuVo("1","h小明",11);
  stuList.add(stu);
  
  stu=new StuVo("2","d阿熊",15);
  stuList.add(stu);
  
  stu=new StuVo("3","a张三",10);
  stuList.add(stu);
  
  stu=new StuVo("4","b李四",15);
  stuList.add(stu);
 
  Collections.sort(stuList);
  
  Iterator<StuVo> it =stuList.iterator();
  while(it.hasNext()){
   System.out.println(it.next().getName());
  }
 }
}