Write code to check if a string is Numeric Space
//package com.book2s; public class Main { public static void main(String[] argv) { String str = "book2s.com"; System.out.println(isNumericSpace(str)); }/*from w w w . ja va2 s . c o m*/ public static boolean isNumericSpace(String str) { if (str == null) { return false; } int length = str.length(); for (int i = 0; i < length; i++) { if (!Character.isDigit(str.charAt(i)) && (str.charAt(i) != ' ')) { return false; } } return true; } }