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Java example - List loop moves elements

黄舟
黄舟Original
2017-01-22 15:09:511115browse

The following example demonstrates how to use rotate() of the Collections class to move elements cyclically. The second parameter of the method specifies the starting position of the movement:

/*
 author by w3cschool.cc
 Main.java
 */import java.util.*;public class Main {
   public static void main(String[] args) {
      List list = Arrays.asList("one Two three Four five six".split(" "));
      System.out.println("List :"+list);
      Collections.rotate(list, 3);
      System.out.println("rotate: " + list);
   }}

The output result of the above code is:

List :[one, Two, three, Four, five, six]rotate: [Four, five, six, one, Two, three]

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