I want a 2d matrix to rotate to the right, it compiles fine but when I try to the run it freezes. For example I want {{10,20,30},{40,50,60}} to rotate into {{40,10},{50,20},{60,30}}

import java.util.*;
public class Rotate{
   public static int[][] rotate(int[][] m) {
     int [][] rotateM = new int[m[0].length][m.length];
     for (int i= 0; i< m.length; i= i++){
        for (int j= 0; j< m[0].length; j= j++){
           rotateM[i][j] = m[j][m.length-i-1];
        }
     }


     return rotateM;
  }
   public static void main(String[]args){
     int[][]m = {{10,20,30},
           {40,50,60}};
     System.out.println(Arrays.toString(rotate(m)));                  

  }

}