Java中驼峰与下划线相互转换

1、驼峰命名法 /** * 驼峰式命名法 */ public static String toCamelCase(String s) { if (s == null) { return null; } s = s.toLowerCase(); StringBuilder sb = new StringBuilder(s.length()); boolean upperCase = false; for (int i = 0; i < s.length(); i++) { char c = s.charAt