- import java.util.ArrayList;
- import java.util.Collections;
- import java.util.List;
- public class Test{
- public static void main(String[] args) {
- // TODO Auto-generated method stub
- method(new ArrayList<Integer>());
- }
- private static void method(List<Integer> list){
- list.add(2);
- list.add(3);
- list.add(4);
- list.add(1);
- System.out.println(list);
- Collections.sort(list);
- System.out.println(list);
- }
-
- }
复制代码
这样可以吗 |