java.lang.String int compareTo(Object o) Compares this String to another Object. int compareTo(String anotherString) Compares two strings lexicographically. int compareToIgnoreCase(String str) Compares two strings lexicographically, ignoring case considerations
int compareTo(Object o)
Compares this String to another Object.
int compareTo(String anotherString)
Compares two strings lexicographically.
int compareToIgnoreCase(String str)
Compares two strings lexicographically, ignoring case considerations
如果的是的话,不可能用这个不行的
不一定要用equals