我不知道应该怎么将字符串的第一个字母转换为大写:
rackingSystem.toLowerCase(); // has capitals in every word, so first convert all to lower case
StringBuilder rackingSystemSb = new StringBuilder();
rackingSystemSb.append(rackingSystem);
rackingSystemSb.setCharAt(0, Character.toUpperCase(rackingSystemSb.charAt(0)));
rackingSystem = rackingSystemSb.toString();
这段代码好像没有用。
请大虾指点,谢谢。