Here you can find the source of isWhitespace(String text)
public static boolean isWhitespace(String text)
//package com.java2s; public class Main { public static final String ATAB = String.valueOf('\u0009'); public static final String ASPACE = " "; public static boolean isWhitespace(String text) { //String ret = ""; boolean ret = true; char chTemp; String strTemp;/*from www . ja v a 2s . c o m*/ boolean boolA, boolB, boolC; for (int i = 0; i < text.length(); i++) { boolA = false; boolB = false; chTemp = text.charAt(i); strTemp = String.valueOf(chTemp); boolA = strTemp.equals(ASPACE); boolB = strTemp.equals(ATAB); boolC = strTemp.equals("\n"); if (boolA || boolB || boolC) ; else return false; } //TestInfo.testWriteLn("Indent: " + ret); return ret; } }