Java涓彲浠ヤ娇鐢–ollections.sort()鏂规硶瀵笰rrayList杩涜鎺掑簭锛屽叿浣撳疄鐜版楠ゅ涓嬶細

1. 棣栧厛瀵煎叆java.util.Collections绫伙紝璇ョ被鎻愪緵浜嗕竴浜涢潤鎬佹柟娉曠敤浜庡闆嗗悎杩涜鎺掑簭銆?/li>

import java.util.Collections;

2. 鍒涘缓涓€涓狝rrayList瀵硅薄锛屽苟鍚戝叾涓坊鍔犲厓绱犮€?/li>

ArrayList<Integer> list = new ArrayList<Integer>();
list.add(5);
list.add(3);
list.add(8);
list.add(1);

3. 浣跨敤Collections.sort()鏂规硶瀵笰rrayList杩涜鎺掑簭銆?/li>

Collections.sort(list);

4. 杈撳嚭鎺掑簭鍚庣殑ArrayList銆?/li>

System.out.println(list);

瀹屾暣鐨勬帓搴忎唬鐮佸涓嬶細

import java.util.ArrayList;
import java.util.Collections;
public class ArrayListSort {
public static void main(String[] args) {
ArrayList<Integer> list = new ArrayList<Integer>();
list.add(5);
list.add(3);
list.add(8);
list.add(1);
Collections.sort(list);
System.out.println(list);
}
}

杈撳嚭缁撴灉涓猴細

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