Java to write a simple ATM access system _java

Novice practicing must ~

The password account is:

Create account class First:

Copy Code code as follows:

Package CN. Atm;
/**
* @author Me Yes
*/
Import java.io.*;
Import Com.project.project;
public class Account {
Private String Number=null;
Private String Name=null;
Private String Password=null;
Private double money=0.0;
Public account (String number,string name,string password,double) {
This.number=number;
This.name=name;
This.password=password;
This.money=money;
}
Public String GetNumber () {
return number;
}
public void Setnumber (String number) {
This.number = number;
}
Public String GetName () {
return name;
}
public void SetName (String name) {
THIS.name = name;
}
Public String GetPassword () {
return password;
}
public void SetPassword (String password) {
This.password = password;
}
Public double Getmoney () {
return money;
}
public void Setmoney (double) {
This.money = money;
}
protected void Sub_balance (double mon) {
Money-=mon;
}
protected void Add_balancen (double mon) {
Money+=mon;
}
}

Then set up the action class:

It contains various methods of operation:

Copy Code code as follows:

Package CN. Atm;
/**
* @author Me Yes
*/
Import java.io.*;

Import Com.project.project;
public class ATM {
Account Act;

Public ATM () {
Act=new account ("0000", "test", "0000", 2000);
}
/************* Welcome Interface *********************/
protected void Welcome () {
String str= "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~";
System.out.print (str+ "\ n");
System.out.print (
"1. Withdrawal" + "\ n" +
"2. Query" + "\ n" +
"3. Deposit" + "\ n" +
"4. Exit" + "\ n"
);
System.out.print (str+ "\ n");
}
/************ Landing System ********************/
protected void Load_sys () throws exception{
String card,pwd;
int counter=0;
BufferedReader br=new BufferedReader (New InputStreamReader (system.in));
do{
System.out.println ("Please enter your card number");
Card=br.readline ();
System.out.println ("Please enter your password");
Pwd=br.readline ();
if (!isright (card,pwd)) {
System.out.println ("Your card number or password is incorrect");
counter++;
}
else {
Welcome ();
Sysopter ();
}
}while (counter<5);
System.exit (1);
}
/********** system operation prompts ******************/
protected void Sysopter () throws Exception {
int num;
BufferedReader br=new BufferedReader (New InputStreamReader (system.in));
SYSTEM.OUT.PRINTLN ("Please select the item you want to operate (1--4)");
Num=br.read ();
Switch (num) {
Case 49:
GetBalance ();
Break
Case 50:
Inqu_iofo ();
Break
Case 51:
Addbalance ();
Break
Case 52:
Exit_sys ();
Break
}
}
/********** Information Query *******************/
protected void Inqu_iofo () throws exception{
TODO auto-generated Method Stub
String str= "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~";
System.out.print (str+ "\ n");
System.out.print (
"Account" +act.getnumber () + "\ n" +
"Name" +act.getname () + "\ n" +
"Balance" +act.getmoney () + "\ n" +
Str+ "\ n"
);
Sysopter ();
}

/********** Deposit ******************/
public void Addbalance () throws exception{
TODO auto-generated Method Stub
String str=null,str1;
BufferedReader br=new BufferedReader (New InputStreamReader (system.in));
do {
System.out.println ("Please enter the number of deposits");
Str=br.readline ();
Double qu=double.valueof (str). Doublevalue ();
Act.add_balancen (QU);
System.out.println ("The deposit is successful, your account balance is" +act.getmoney ());
Welcome ();
Sysopter ();
} while (true);
}
/********** withdrawal ********************/
public void GetBalance () throws exception{
TODO auto-generated Method Stub
String str=null,str1;
BufferedReader br=new BufferedReader (New InputStreamReader (system.in));
do {
System.out.println ("Please enter the number of withdrawals");
Str=br.readline ();
Double qu=double.valueof (str). Doublevalue ();
if (Qu>act.getmoney ()) {
SYSTEM.OUT.PRINTLN ("Please re-enter the balance insufficient");
}
else {
Act.sub_balance (QU);
SYSTEM.OUT.PRINTLN ("Withdraw successfully your account balance is not" +act.getmoney ());
Welcome ();
Sysopter ();
}
} while (true);
}
/********* Exit ******************/
protected void Exit_sys () {
TODO auto-generated Method Stub
SYSTEM.OUT.PRINTLN ("Safe exit!") ");
System.exit (1);
}

/********** card number and password are correct ********************/
Protected Boolean Isright (string card, string pwd) {
TODO auto-generated Method Stub
if (Act.getnumber (). Equals (Card) &&act.getpassword (). Equals (pwd)) {
return true;
} else {
return false;
}

}
public static void Main (string[] args) throws Exception {
ATM Atm=new ATM ();
Atm. Welcome ();
Atm. Load_sys ();
}
}

Code for reference only

The results of the operation are as follows

All right, buddy, you can make an ATM out of your own ^_^.