200107_switch_case 범위 설정 예제

package edu.exam01.switch_case17;

//switch case로 범위 설정
import java.util.Scanner;

public class test {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		System.out.println("숫자를입력하세요 :");
		int num = sc.nextInt();

		while (num < 0 || num > 100) {
			System.out.println("다시 입력하세요.");
			num = sc.nextInt();
		}
		num=(int)num/10;	//캐스팅

		switch (num) {
		case 10:
			System.out.println("A학점");
			break;
		case 9:
			System.out.println("A학점");
			break;
		case 8:
			System.out.println("B학점");
			break;
		case 7:
			System.out.println("C학점");
			break;
		case 6:
			System.out.println("D학점");
			break;
		default:
			System.out.println("F학점");
			break;
		}
	}
}