错误: 不兼容的类型: boolean无法转换为int case a<60&&a>=0:System...
import java.util.Scanner;public class A { public static void main(String[] args) { String str; int a,b; Scanner sc=new Scanner(System.in); str=sc.nextLine(); a=Integer.parseInt(str); b=a/10; switch(b) { case 0: case 1: case 2: case 3: ...