package array;

public class ArrayReversalOneByOne {
	public static void main (String[] args) throws java.lang.Exception
	{
		int[] arr = {1,2,3,4,5,6,7};
		int d = 2;
		reverseArray(arr,d);
		for(int i = 0; i < arr.length;i++){
			System.out.println(arr[i]);
		}
	}

	public static void reverseArray(int arr[], int d){
		if(d==0){
			return;
		}
		for(int i = 0; i<d;i++) {
			reverseArrayOneByOne(arr);
		}
	}

	private static void reverseArrayOneByOne(int[] arr) {
		int temp = arr[0];
		for (int i=1;i<arr.length;i++) {
			arr[i-1] = arr[i];
		}
		arr[arr.length-1]=temp;
	}
}