public class Reverse {
 
  public static int[] reverse(int[] arr) {
    
    int size = arr.length;
    for (int i = 0; i < (size / 2); i ++) {
     
      int tmp = arr[i];
      arr[i] = arr[size - i - 1];
      arr[size - i - 1] = tmp;
      
    }
    
    return arr;
    
  }
  
}