java用switch判断成绩等级 用switch语句怎样判断成绩的等级？

用switch语句怎样判断成绩的等级？[java] view plain copyimport java.util.Scanner public class Text3 { public stat

用switch语句怎样判断成绩的等级？

[java] view plain copyimport java.util.Scanner public class Text3 { public static void main(String[] args){ System.out.println("请输入成绩") Scanner a = new Scanner(System.in) int a1= a.nextInt() switch (a1/10) { case 10: case 9: System.out.print("A") break case 8: System.out.println("B") break case 7: System.out.println("C") break case 6: System.out.println("D") default: System.out.println("E") break } a.close() } }