import java.util.Comparator;
import java.util.List;
import java.util.ArrayList;
import java.util.Collections;
class User {
String name;
String age;
public User(String name,String age){
this.name=name;
this.age=age;
}
public String getAge() {
return age;
}
public void setAge(String age) {
this.age = age;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
class ComparatorUser implements Comparator{
public int compare(Object arg0, Object arg1) {
User user0=(User)arg0;
User user1=(User)arg1;
//首先比较年龄，如果年龄相同，则比较名字
int flag=user0.getAge().compareTo(user1.getAge());
if(flag==0){
return user0.getName().compareTo(user1.getName());
}else{
return flag;
}
}
}
public class SortTest {
public static void main(String[] args){
List userlist=new ArrayList(); userlist.add(new User("dd userlist.add(new User("aa userlist.add(new User("ee userlist.add(new User("bb userlist.add(new User("ff userlist.add(new User("cc userlist.add(new User("gg
ComparatorUser comparator=new ComparatorUser(); Collections.sort(userlist, comparator);
for (int i=0;i System.out.println(user_temp.getAge()+ } } } |
