package bank;
import java.text.SimpleDateFormat;//Common date manipulation tool class
import java.util.Calendar;//Get a calendar using the default time zone and locale
import java.util.Date;
public class yinhang {
private String acount; //Account
private String name;//Name
private String time;//Time
private String id;//Identity
private double num;//Amount
public String getAcount() {
return acount;
}
public void setAcount(String a) {
acount = a;
}
public String getName() {
return name;
}
public void setName(String n) {
name = n;
}
public String getTime() {
return time;
}
public void setTime(String t) {
time = t;
}
public String getId() {
return id;
}
public void setId(String ID) {
id = ID;
}
public double getNum() {
return num;
}
public void setNum( double m) {
num = m;
}
public void cunkuan(double m){
num=num+m;
}
//withdrawal method
public void qukuan(double m){
if(m>num){
System.out.println(" Insufficient balance, can't withdraw money");
}else{
num=num-m;
}
}
//Method to display account opening time
public String kaiHuTime(){
Date currDate=Calendar.getInstance().getTime();
SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd");
this.time=sdf.format(currDate);
return time;
}
//Method to get the amount on the account
public double GetAcountNum(){
return num;
}
}
package bank;
import java.util.Scanner;//input source program
public class Main {
public static void main(String[] args) {
yinhang bank=new yinhang();
bank.setAcount("6666");
bank. setId("123456789");
bank.setName("by");
bank.setNum(10000);
Scanner sc=new Scanner(System.in);
System.out.println("Please enter your account number");
String acount=sc.nextLine();
System.out.println("Please enter your password");
String pwd=sc.nextLine();
if(pwd.equals("123456")&& acount.equals(bank. getAcount())){//The following operations can only be performed if the password is correct
while(true){
System.out.println("The current amount of your account is: "+bank.getNum()+"\nPlease enter the following operations: ");
System.out.println("1: Deposit");
System.out.println("2: Withdrawal");
System.out.println("3: Display the time of opening the account");
System.out.println("4: Get the amount of the account");
System.out.println("5: Exit the current account");
Scanner scan= new Scanner(System.in);//There may be influence between the same variable sc, you can renew a
String option=scan.nextLine();
switch(option){//Select service
case "1" :
System.out .println("Please enter the money you want to deposit");
double num=scan.nextDouble();
bank.cunkuan(num);
System.out.println("The current amount is"+bank.getNum());
break ;
case "2":
System.out.println("Please enter the money you want to withdraw");
double num1=scan.nextDouble();
bank.qukuan(num1);
System.out.println("The current balance is" +bank.getNum());
break;
case "3":
System.out.println("The account opening time is: ");
System.out.println(bank.kaiHuTime());
break;
case "4":
System.out.println("The current account amount is: "+bank. getNum());
break;
case "5":
System.out.println("Exit the system");
System.exit(0);
break;
default : System.out.println("Sorry, your input is wrong" );
break;
}
}
}else{
System.out.println("The password or account is incorrect, please re-enter");
}
}
}
Result: Please enter your account number
6666
Please enter your password
123456
The current amount of your account is: 10000.0
Please enter the following operations:
1: Deposit
2: Withdraw money
3: Display the time of account opening
4: Obtain the amount of the account
5: Exit the current Account
1
, please enter the money you want to deposit
100
The current amount is 10100.0
The current amount of your account is: 10100.0
Please enter the following operations:
1: Deposit
2: Withdraw money
3: Display the time of opening the account
4: Obtain the amount of the account
5: Exit the current account
2
Please enter the money you want to withdraw
400
The current balance is 9700.0
The current amount of your account is: 9700.0
Please enter the following operations:
1: Deposit
2: Withdrawal
3: Display the time of opening the account
4: Obtain the amount of the account
5: Exit the current account
3 The
account opening time is:
2018-05-01
The current amount of your account is: 9700.0
Please enter the following operations:
1: Deposit
2: Withdrawal
3: Display the time of account opening
4: Get the amount of the account
5: Log out of the current account
4
The current account amount is: 9700.0
The current amount of your account is: 9700.0
Please enter the following operations:
1: Deposit
2: Withdraw money
3: Display the time of opening the account
4: Get the amount of the account
5 : Exit the current account
5
Exit the system