예금, 출금, 조회, 종료 프로그램 만들기

문제

 

 

문제 풀이

			int balance = 0;
			Scanner scan = new Scanner(System.in);
		  while (true) {
			  	System.out.println("-------------------");
	            System.out.print("1.예금 | 2.출금 | 3.잔고 | 4.종료");	          
	        	System.out.println("-------------------");
	            System.out.print("선택> ");
	            String choice = scan.nextLine();
	            if ("1".equals(choice)) {
	            	System.out.print("예금액> ");
	            	int price = Integer.parseInt(scan.nextLine());
	            	balance += price;
	            } else if ("2".equals(choice)) {
	            	System.out.print("출금액> ");
	            	int price = Integer.parseInt(scan.nextLine());
	            	balance -= price;
	            } else if ("3".equals(choice)) {
	            	System.out.println("잔고> "+balance);
	            } else if ("4".equals(choice)) {
	            	System.out.print("프로그램 종료");
	            }
		  }