对调数组内的元素

/*
  对调数组内的元素
*/
public class Demo7{
    public static void main(String [] args){
        int [] arry={1,2,3,4,5,6,7,8};
        int [] away=replace(arry);
        print(away);
    }
    public static int [] replace(int [] arry){
        for(int start=0;start<arry.length/2;start++){
            int temp=arry[start];
            arry[start]=arry[arry.length-start-1];
            arry[arry.length-start-1]=temp;
        }
        return arry;
    }
    public static void  print(int [] arry){
        for( int a:arry){
            System.out.print(a+" ");
        }
          System.out.println();
    }
}