public class ArrayReverseInNby2 {
	public static void main(String[] args) {
		int x[] = {1,2,3,4,5,6,7,8,9};
		int i= 0;
		int len = x.length-1;
		for(int k = 0; k<x.length;k++) {
			System.out.print(x[k]);
		}
		System.out.println("\nReverse");
		int numberOfLoops = 0;
		while(i< len) {
			x[i] = x[i]+x[len];
			x[len] = x[i] - x[len];
			x[i] = x[i] -x[len];
			i++;
			len--;
			numberOfLoops++;
		}
		for(int k = 0; k<x.length;k++) {
			System.out.print(x[k]);
		}
		System.out.println("\n"+numberOfLoops);

	}
}