equals():boolean equals(Object str),区分大小写
equalsIgnoreCase():boolean equalsIgnoreCase(String str),不区分大小写
equals():boolean equals(Object str),区分大小写
equalsIgnoreCase():boolean equalsIgnoreCase(String str),不区分大小写
转载于:https://www.cnblogs.com/aWay01/p/5497538.html