class Program
{
     public static void main(String args[])
	 {  
          String input = "1,3,4,5,\n1,4,5,0,\n2,5,3,8,";
          String[] str1 = input.split("\n");
          int[][] matrix = new int[str1.length][];
               for (int i = 0; i < matrix.length; i++) 
			   {
                  String[] str2 = str1[i].split(",");
                  matrix[i] = new int[str2.length];
                          for (int j = 0; j < matrix[i].length; j++) 
						  {
                              matrix[i][j] = Integer.parseInt(str2[j]);
                               System.out.println(matrix[i][j]);
 //System.out.println(Arrays.deepToString(matrix));
                              //System.out.println(Arrays.deepToString(matrix[i][j]));
                          }
               }
 
     }
}

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