LJR(1).rar

import java.util.Scanner; public class LJR7 { public static void main(String[] args) { // TODO Auto-generated method stub //System.out.println((int)'A');65 //System.out.println((int)'a');97 //System.out.println((int)'B');66 //System.out.println((int)'b');98 Scanner sc=new Scanner(System.in); System.out.println("请输入："); char sb=sc.nextLine().charAt(0); if (sb>=65 && sb<=97) { System.out.println("大写字母"); } else if (sb>=66 && sb<=98) { System.out.println("小写字母"); }else { System.out.println("其他"); } sc.close(); } }