Cacher is the code snippet organizer for pro developers

public class Solution {
    public void setZeroes(int[][] matrix) {
        if (matrix == null || matrix.length < 1 || matrix[0].length < 1) return;
        int row = matrix.length;
        int col = matrix[0].length;
        int extraFlag = 1;
        for (int i = 0; i < row; i++) {
            for (int j = 0; j < col; j++) {
                if (matrix[i][j] == 0) {
                    if (i == 0) {
                        extraFlag = 0;
                    } else {
                        matrix[i][0] = 0;
                    }
                    matrix[0][j] = 0;
                    
                }
            }
        }
        for (int i = 1; i < row; i++) {
            if (matrix[i][0] == 0) {
                Arrays.fill(matrix[i], 0);
            }
        }
        for (int j = 0; j < col; j++) {
            if (matrix[0][j] == 0) {
                for (int i = 1; i < row; i++) {
                    matrix[i][j] = 0;
                }
            }
        }
        if (extraFlag == 0) {
            Arrays.fill(matrix[0], 0);
        }
        return;
    }
}