Java Collection How to - Shifting Elements in an Array: Shift all elements right/left by one

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Question

We would like to know how to shifting Elements in an Array: Shift all elements right/left by one.

Answer

import java.util.Arrays;
/* w ww  .  jav  a  2 s .co m*/
public class Main {
  public static void main(String[] argv) throws Exception {
    int[] array = { 1, 2, 3 };
    
    System.arraycopy(array, 0, array, 1, array.length - 1);
    System.out.println(Arrays.toString(array));

    array = new int[]{ 1, 2, 3 };
    System.arraycopy(array, 1, array, 0, array.length - 1);
    System.out.println(Arrays.toString(array));
  }
}

The code above generates the following result.

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