MariaDB 10正式发布，引入NoSQL特性

http://tfy1332.iteye.com/

public static boolean foo(CharSequence cs) { int strLen; if (cs == null || (strLen = cs.length()) == 0) { return true; } for (int i = 0; i < strLen; i++) { if (Character.isWhitespace(cs.charAt(i)) == false) { return false; } } return true; }