import java.util.*; class TestDoWhile04Ex { public static void main(String[] args) { //**����3��ATMȡ��** /* ��������balance����ʼ��Ϊ0�����Ա�ʾ�����˻���������ͨ��ATM������ʵ�ִ�ȡ��ȹ��ܡ� =========ATM======== 1����� 2��ȡ�� 3����ʾ��� 4���˳� ��ѡ��(1-4)�� */ double money = 1000.0; Scanner sc = new Scanner(System.in); int s = 1; while (s != 4){ System.out.println("=========ATM========"); System.out.println("1�����"); System.out.println("2��ȡ��"); System.out.println("3����ʾ���"); System.out.println("4���˳�"); System.out.println("��ѡ��(1-4)��"); s = sc.nextInt(); switch (s){ case 1: System.out.println("����������"); double m1 = sc.nextDouble(); money +=m1; System.out.println("���:"+m1); break; case 2: System.out.println("������ȡ����"); double m2 = sc.nextDouble(); money -=m2; System.out.println("ȡ��"+m2); break; case 3: System.out.println("��"+money); break; } } System.out.println("�˳���"+money); } }