//1.증속2.감속3.중지public class KeyControlExample { public static void main(String[] args) { Scanner scanner= new Scanner(System.in); boolean run=true;//논리값 int speed=0;//현재 속도 while(run) { //메뉴 System.out.println("------------------------"); System.out.println("1. 증속 | 2. 감속 | 3. 중지"); System.out.println("------------------------"); System.out.println("선택: "); String strNum=scan..