package week5;

import java.util.Scanner;

public class WhileEx3 {
	public static void main(String[] args) {
		System.out.println("속도 조절 프로그램");
		Scanner sc = new Scanner(System.in);
		
		int speed = 0;
		
		while(true) {
			System.out.println("----------------------");
			System.out.println("1. 가속\n2. 감속\n3. 종료");
			System.out.println("----------------------");
			System.out.print("메뉴선택 >> ");
			
			int menu = sc.nextInt();
			
			if (menu == 1) {
				speed++;
				System.out.println("현재속도 : "+ speed);
			} else if (menu == 2) {
				speed--;
				System.out.println("현재속도 : "+ speed);
			} else if (menu == 3) break;
		}
		System.out.println("시스템 종료");
		sc.close();
	}
}