Write code to Returns true if the given character is a 'standard' character.
//package com.book2s; public class Main { public static void main(String[] argv) { char character = 'a'; System.out.println(isSimpleCharacter(character)); }//from ww w. j a v a 2 s.co m public static final char[] allowedCharacters = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '_', '-', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0' }; /** * Returns true if the given character is a 'standard' character. (a-z, * A-Z). * * @param character * @return */ public static boolean isSimpleCharacter(final char character) { boolean found = false; for (final char element : allowedCharacters) { found = found || character == element || character == Character.toUpperCase(element); } return found; } }