package kr.co.kihyun.math; public class SumUtil { public static String[] sum(String[][] data) { int count = 0; int count2 = 0; double sumField = 0.0D; String[] sumData = null; count = data.length; if (data != null) { count2 = data[0].length; } sumData = new String[count2]; for (int i = 0, j = 0; i < count2; i++) { for (j = 0; j < count; j++) { try { sumField += Double.parseDouble(data[j][i].trim()); } catch (NumberFormatException ex) { System.err.println("NumberFormatException : " + ex); } } sumData[i] = Double.toString(sumField); sumField = 0.0D; } return sumData; } }