for(int i=validData.length-1; i>=0; i--){
  System.out.println(validData[i]);
 }

static int[] reverseArray(int[] a) {
     int ret[] = new int[a.length];
     for(int i=0, j=a.length-1; i<a.length && j>=0; i++, j--)
         ret[i] = a[j];
     return ret;
}

public class ArrayHandle {
    public static Object[] reverse(Object[] arr) {
        List<Object> list = Arrays.asList(arr);
        Collections.reverse(list);
        return list.toArray();
    }
}

简单for循环!

for (int start = 0, end = array.length - 1; start <= end; start++, end--) {
    int aux = array[start];
    array[start]=array[end];
    array[end]=aux;
}

public static void main (String args[]){

    //create  array
    String[] stuff ={"eggs","lasers","hats","pie","apples"};

    //print out  array
    for(String x :stuff)
        System.out.printf("%s ", x);
            System.out.println();

            //print out array in reverse order
            for(int i=stuff.length-1; i >= 0; i--)
                System.out.printf("%s ",stuff[i]);  

}

试试下面的代码:

    int arr[] = new int[]{1,2,3,4,5,6,7};
    for(int i=0;i<arr.length/2;i++){
        int temp = arr[i];
        arr[i] = arr[(arr.length-1)-i];
        arr[(arr.length-1)-i] = temp;
     }
     System.out.println(Arrays.toString(arr));