Java Collections.Rotate with an array doesn't work

Posted by steve_72 on Stack Overflow See other posts from Stack Overflow or by steve_72
Published on 2010-05-08T17:18:24Z Indexed on 2010/05/08 17:28 UTC
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I have the following java code:

import java.util.Arrays;
import java.util.Collections;

public class Test {
    public static void main(String[] args) {
        int[] test = {1,2,3,4,5};
        Collections.rotate(Arrays.asList(test), -1);
        for(int i = 0; i < test.length; i++) { System.out.println(test[i]); }
    }

}

I want the array to be rotated, but the output I get is

1
2
3
4
5

Why is this?

And is there an alternative solution?

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