摘要： /** * count apples and oranges whether land on the inclusive [s,t] * a is apple tree's cordination, b is orange tree's corditation * apples is apple t 阅读全文

摘要： /** * 获取不重复的字符串 * aabbc->abc * @param srcStr * @return */public static String getSingleCharStr(String srcStr){ if (srcStr==null){ return null; } if (s 阅读全文