第2个回答 2013-09-01
public static void main(String[] args) throws ParseException {
Scanner scan =new Scanner(System.in);
String str = scan.next();
Character c = str.charAt(0);
int hash = c.hashCode();
if(hash<91&&hash>64){
System.out.println("你输入的字母是小写");
}else if(hash>96&&hash<123){
System.out.println("你输入的字母是大写");
}else{
System.out.println("你输入的不是字母");
} }