title: How to convert the string into a fixed int 2D array(special case)?
body: <p>Here is my string
  100000000000000000000000000000000000000000000000000000000000</p>
  
  <p>a string combined with 60 1/0.</p>
  
  <p>I want to put it into a int Array[6][10].
  I tried to add "," between each row, but it failed</p>
  
  <pre><code>String data = "1000000000,0000000000,0000000000,0000000000,0000000000,0000000000";
  String[] rows = data.split(",");
  
  String[][] matrix = new String[rows.length][];
  int r = 0; 
  for (String row : rows) { 
     matrix[r++] = row.split("\\|"); 
  }
  System.out.print(matrix);
  </code></pre>
  
  <p>Please help and solve this problem, thank you!</p>