수다닷컴

은행입출금 관리 프로그램인데

입금/출금/계좌이체부분을 완성시켜야하는데요.

도움좀 요청합니다.

//계좌를 구현한 클래스
class Account implements Cloneable{// Account 복제본 만드려면 implements Cloneable
//field
private String accountNumber;
private String name;
private String password;
private int balance;
private static int totalBalance; //클래스 변수
//static 변수 초기화
static {
System.out.println(call static initialize block);
totalBalance=0; //Account.totalBalance=0;
}

//Default Constructor method
public Account( ) {

}
//매개변수 Constructor method
public Account(String accountNumber, String name,
String password, int balance) {
System.out.println(call Constructor!!);
this.accountNumber=accountNumber;
this.name=name;
this.password=password;
this.balance=balance;
totalBalance+=balance;
}

//입금하다. : deposit
public void deposit(int amount) { //입금액
if(amount0) {
System.out.println(입금액을 정확히 입력하세요);
return;
}
balance+=amount;
totalBalance+=amount;
}
//잔고를 조회하다. getBalance
public int getBalance( ) {
return balance;
}
//출금하다. withdraw
public void withdraw(int amount) {
if( amount0 ) {
System.out.println(금액을 정확히 입력하세요);
return;
}
if( amountbalance ) {
System.out.println(잔고를 초과하셨습니다.);
return;
}
balance-=amount;
totalBalance-=amount;
}
//계좌의 모든 정보를 조회하다.( getAccountInfo )
public String getAccountInfo( ) {
return AccountNumber=+accountNumber
+, Name=+name
+, Password=+password
+, Balance=+balance;
}
//비밀번호를 변경하다. (setPassword)
public void setPassword(String password) {
this.password=password;
}

//계좌이체하다.
public void transferAccount(Account account, int amount) {
this.withdraw(amount);
account.deposit(amount);
}
//은행 총잔고를 구한다.
public static int getTotalBalance( ) {
return totalBalance;
}
//계좌번호를 구한다.
public String getAccountNumber( ) {
return accountNumber;
}
//예금주명을 조회하다.
public String getName() {
return name;
}
//예금주명을 변경하다.
public void setName(String name) {
this.name=name;
}
//비밀번호를 조회하다.
public String getPassword( ) {
return password;
}
//Method overriding
public String toString() {
return AccountNumber=+accountNumber
+, Name=+name
+, Password=+password
+, Balance=+balance;
}

//Method overriding
public boolean equals(Object obj) {
if(!(obj instanceof Account)) {
return false;
}
Account temp=(Account)obj;
if( this.accountNumber.equals(temp.accountNumber) ) {
return true;
}
return false;
}
//native method
protected Account clone()
throws CloneNotSupportedException{
return (Account)super.clone();
}
}

import java.util.*;
public class AccountManager {
static Account[] accounts=new Account[100];
static int index=0;

//계좌번호 존재 유무를 체크한다.
public static Account checkAccountNumber( String accountNumber){//리턴유형 Account
for (int i=0; iindex ;i++ ){
String temp=accounts[i].getAccountNumber();
if (temp.equals(accountNumber)){
Account account=accounts[i];
return account;
}
}
return null;
}

//잔액 조회하다.
public static void retrieveBalance( ) {
Scanner scan=new Scanner(System.in);
System.out.print(계좌번호 : );
String accountNumber=scan.nextLine( ); //2
Account account=checkAccountNumber(accountNumber);

if(account==null){
System.out.printf(%s 계좌번호가 존재하지 않습니다., accountNumber);
return;
}
System.out.print(비밀번호 : );
String password=scan.nextLine( );
String temp=account.getPassword( );
if(password.equals(temp)) {
int balance=account.getBalance( );
System.out.printf(Balance=%d%n, balance);
}
else {
System.out.printf(%s 비밀번호가 존재하지 않습니다.,
password);
}
}

//계좌개설하다.
public static void createAccount( ) {
Scanner scan=new Scanner(System.in);
System.out.print(계좌번호 : );
String accountNumber=scan.nextLine( );
System.out.print(예금주명 : );
String name=scan.nextLine( );
System.out.print(비밀번호 : );
String password=scan.nextLine( );
System.out.print(잔고 : );
int balance=scan.nextInt( );

/*
Account account=new Account(accountNumber,
name, password, balance);
accounts[index]=account;
*/
accounts[index]=
new Account(accountNumber, name, password, balance);
index++;
}
//입금
//출금
//계좌이체

public static void main(String[] args) {
Scanner scan=new Scanner(System.in);
boolean isExit=false;
do
{
System.out.println(===== 은행 입출금 관리 시스템 =====);
System.out.println(1. 계좌개설);
System.out.println(2. 입금 );
System.out.println(3. 출금);
System.out.println(4. 잔액조회);
System.out.println(5. 계좌이체);
System.out.println(6. 종료);
System.out.print(메뉴를 선택하세요 );
int menu=scan.nextInt( );
switch(menu) {
case 1:
//계좌개설
createAccount( );
break;br /ak;
case 2:
//입금
break;
case 3:
//출금
break;
case 4:
//잔액조회
retrieveBalance( );
break;
case 5:
//계좌이체
break;
case 6:
//종료
isExit=true;
break;
}
}
while ( !isExit );
}
}

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