how to print out a 2D char array to a String in java code example

Example: java print 2d char array

public static void printGrid(char arr[][]) {
        for (int row = 0; row < arr.length; row++) {
            for (int col = 0; col < arr[row].length; col++) {
                System.out.printf(arr[row][col] + "");
            }
            System.out.println();
        }
    }