Java tutorial
//package com.java2s; public class Main { public static boolean[][] stringToBoolArray(String str) { String[] strArray = str.split(","); int size = strArray.length; boolean[][] result = new boolean[size][size]; for (int i = 0; i < size; i++) for (int j = 0; j < size; j++) result[i][j] = strArray[i].charAt(j) == '1'; return result; } }