public class RotateArray {
public void rotate(int[] nums, int k) {
int n = nums.length;
int[] temp = new int[n];
// 将原数组的元素逐个放到新的位置上
for (int i = 0; i < n; i++) {
temp[(i + k) % n] = nums[i];
}
// 将新数组的元素复制回原数组
System.arraycopy(temp, 0, nums, 0, n);
}
public static void main(String[] args) {
RotateArray rotator = new RotateArray();
int[] nums = {1, 2, 3, 4, 5, 6, 7};
int k = 3;
rotator.rotate(nums, k);
// 输出旋转后的数组
System.out.print("[");
for (int i = 0; i < nums.length; i++) {
System.out.print(nums[i]);
if (i < nums.length - 1) {
System.out.print(", ");
}
}
System.out.println("]");
}
}