은행 계좌 예제(list 사용) 수정완료

import java.util.ArrayList;

import java.util.Scanner;

public class BankAccounts extends BankList {

public static void main(String[] args) {

boolean loop = true;

while(loop){

System.out.println("------------------------------------------------");

System.out.println("1.계좌 생성| 2. 계좌 조회 | 3. 입금 | 4.출금 | 5. 종료");

System.out.println("------------------------------------------------");

System.out.println("선택 : ");

Scanner sc = new Scanner(System.in);

int select = sc.nextInt();

if(select == 1){

createAcc();

}

else if(select == 2){

getAcc();

}

else if(select == 3){

depositAcc();

}

else if(select == 4){

withdrawAcc();

} else{

System.out.println("프로그램을 종료합니다");

sc.close();

loop = false;

}

}

}

public static void createAcc(){

System.out.println("계좌주 : ");

Scanner sc = new Scanner(System.in);

String name = sc.nextLine();

accName.add(name);

        System.out.println("계좌번호 : ");

        Scanner sc1 = new Scanner(System.in);

        String number = sc1.nextLine();

        accNumber.add(number);

   

        System.out.println("초기입금액 : ");

        Scanner sc2 = new Scanner(System.in);

        int money = sc2.nextInt();

        accMoney.add(money);

}

public static void getAcc(){

System.out.println("계좌번호를 입력하세요 : ");

Scanner sc = new Scanner(System.in);

String accNum = sc.nextLine();

int cnt =0;

if(accNumber.size()!=0){

for (int i = 0; i < accNumber.size(); i++) {

if(accNumber.get(i).equals(accNum)){

System.out.println("계좌주 : "+accName.get(i)+"  계좌번호 : "+accNumber.get(i)+

"  잔액 : "+accMoney.get(i));

} else {

cnt++;

continue;

}

}

if(cnt==accNumber.size()){

System.out.println("일치하는 계좌가 없습니다");

cnt=0;

}

}else {

System.out.println("계좌생성 후 조회하세요!");

}

}

public static void depositAcc(){

System.out.println("입금할 계좌번호를 입력하세요 : ");

Scanner sc = new Scanner(System.in);

String accNum = sc.nextLine();

int cnt = 0;

if(accNumber.size()!=0){

for (int i = 0; i < accNumber.size(); i++) {

if(accNumber.get(i).equals(accNum)){

System.out.println("입금할 금액을 입력하세요 : ");

Scanner sc1 = new Scanner(System.in);

int deposit = sc1.nextInt();

accMoney.set(i, accMoney.get(i)+deposit);

System.out.println("계좌주 : "+accName.get(i)+"  계좌번호 : " +accNumber.get(i)+

"  잔액 : "+accMoney.get(i));

} else {

cnt++;

continue;

}

}

if(cnt == accNumber.size()){

System.out.println("일치하는 계좌가 없습니다.");

cnt = 0;

}

}else {

System.out.println("계좌 등록 후 입금 하세요");

}

}

public static void withdrawAcc(){

System.out.println("출금할 계좌번호를 입력하세요 : ");

Scanner sc = new Scanner(System.in);

String accNum = sc.nextLine();

int cnt=0;

if(accNumber.size()!=0){

for (int i = 0; i < accNumber.size(); i++) {

if(accNumber.get(i).equals(accNum)){

System.out.println("출금할 금액을 입력하세요 : ");

Scanner sc1 = new Scanner(System.in);

int withdraw = sc1.nextInt();

if(withdraw <= accMoney.get(i)){

accMoney.set(i, accMoney.get(i)-withdraw);

System.out.println("계좌주 : "+accName.get(i)+"  계좌번호 : " +accNumber.get(i)+

               "  잔액 : "+accMoney.get(i));

} else {

System.out.println("잔액이 부족합니다");

}

} else {

cnt++;

continue;

}

}

if(cnt==accNumber.size()){

System.out.println("일치하는 계좌가 없습니다!");

cnt=0;

}

}

}

}

import java.util.ArrayList;

public class BankList {

static ArrayList<String> accName = new ArrayList<>();

static ArrayList<String> accNumber = new ArrayList<>();

static ArrayList<Integer> accMoney = new ArrayList<>();

public static ArrayList<String> getAccName() {

return accName;

}

public static void setAccName(ArrayList<String> accName) {

BankList.accName = accName;

}

public static ArrayList<String> getAccNumber() {

return accNumber;

}

public static void setAccNumber(ArrayList<String> accNumber) {

BankList.accNumber = accNumber;

}

public static ArrayList<Integer> getAccMoney() {

return accMoney;

}

public static void setAccMoney(ArrayList<Integer> accMoney) {

BankList.accMoney = accMoney;

}

}