cc_1_6.java

/*
Created by bitcpf
*/

public class Imagerotate {
	

	public static int[][] Rotate(int[][] testimg){
		for (int i = 0; i < testimg.length/2; i ++){
			int first = i;
			int last = testimg.length-1-i;
			for (int j = first; j < last; j ++){
				int offset = j-first;
				
				
				int top = testimg[first][j];
				// left to top
				testimg[first][j] = testimg[last - offset][first];
				// bottom to left
				testimg[last-offset][first] = testimg[last][last-offset];
				// right to bottom
				testimg[last][last-offset] = testimg[first + offset][last];
				// top to right
				testimg[j][last] = top;
			}
			
		}
		return testimg;
	}
	
	public static void Printimg(int[][] img){
		
		for (int i = 0; i < img.length; i ++){
			for (int j = 0; j < img[0].length; j ++){
				System.out.print(img[i][j] + " ");
				
			}
			System.out.println("");
			
		
		
		}
	}
	
	
	
	public static void main(String[] args){
		int[][] testimg = new int[][] {{1,2,3},{4,5,6},{7,8,9}};
		Printimg(testimg);
		System.out.println("");
		Printimg(Rotate(testimg));

	}

}