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Chung-DaeunChung-Daeun
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Merge branch 'main' into Daeun
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‎반재형/Account.java‎

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package chap00_practice;
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import java.util.Scanner;
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public class Account {
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public int balance;
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public String accountNum;
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public String accountName;
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public int initDeposit;
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public Account() {
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}
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public Account(String accountNum, String accountName, int initDeposit) {
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this.accountNum = accountNum;
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this.accountName = accountName;
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this.balance = initDeposit;
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}
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public int getBalance() {
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return balance;
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}
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public String getAccountNum() {
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return accountNum;
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}
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public String getAccountName() {
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return accountName;
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}
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public int getInitDeposit() {
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return initDeposit;
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}
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public void createAccount(Account[] accounts, int count) {
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Scanner sc = new Scanner(System.in);
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System.out.println("-------------");
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System.out.println("계좌생성");
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System.out.println("-------------");
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System.out.println("계좌번호");
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accountNum = sc.nextLine();
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System.out.println("계좌주");
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accountName = sc.nextLine();
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System.out.println("초기 입금액");
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initDeposit = balance + sc.nextInt();
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if(accountNum != null && accountName != null && initDeposit > 0) {
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accounts[count] = new Account(accountNum, accountName, initDeposit);
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System.out.println("결과 : 계좌가 생성되었습니다.");
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}
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}
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public void accountList(Account[] accounts, int count) {
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System.out.println("계좌목록");
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System.out.println("-------------");
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for(int i = 0; i < count; i++) {
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System.out.println(accounts[i].getAccountNum() + " "
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+ accounts[i].getAccountName() + " " + accounts[i].getBalance());
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}
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System.out.println(count);
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}
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public void deposit(Account[] accounts, int count) {
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Scanner sc = new Scanner(System.in);
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System.out.println("예금");
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System.out.println("-------------");
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System.out.println("계좌번호: ");
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String accountNum = sc.nextLine();
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System.out.println("예금액 : ");
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int money = sc.nextInt();
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for(int i = 0; i < count; i++) {
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if(accountNum.equals(accounts[i].getAccountNum())) {
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if(money > 0) {
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accounts[i].balance += money;
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return;
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} else {
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System.out.println("입금액은 0보다 커야합니다.");
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return;
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}
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}
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}
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System.out.println("계좌를 찾지 못했습니다.");
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}
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public void withdraw(Account[] accounts, int count) {
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Scanner sc = new Scanner(System.in);
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System.out.println("출금");
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System.out.println("-------------");
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System.out.println("계좌번호: ");
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String num = sc.nextLine();
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System.out.println("출금액 : ");
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int money = sc.nextInt();
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for(int i = 0; i < count; i++) {
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if(num.equals(accounts[i].getAccountNum())) {
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if(money > 0 && money <= accounts[i].getBalance()) {
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accounts[i].balance -= money;
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System.out.println("결과 : 출금이 성공되었습니다.");
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return;
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} else if (money <= 0) {
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System.out.println("출금액은 0보다 커야합니다.");
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return;
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} else {
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System.out.println("잔액이 부족합니다.");
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return;
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}
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}
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}
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System.out.println("계좌를 찾지 못했습니다.");
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}
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}

‎반재형/BankApplication.java‎

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package chap00_practice;
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import java.util.Scanner;
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public class BankApplication {
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public static void main(String[] args) {
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Scanner sc = new Scanner(System.in);
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Account account = new Account();
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Account[] accountArr = new Account[100];
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int count = 0;
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while(true) {
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System.out.println("--------------------------------------");
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System.out.println("1.계좌생성|2.계좌목록|3.예금|4.출금|5.종료");
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System.out.println("--------------------------------------");
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System.out.print("선택>");
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int num = sc.nextInt();
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if(num == 1) {
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account.createAccount(accountArr, count);
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count++;
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}
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else if(num == 2) {
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account.accountList(accountArr, count);
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}
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else if(num == 3) {
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account.deposit(accountArr, count);
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}
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else if(num == 4) {
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account.withdraw(accountArr, count);
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}
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else if(num == 5) {
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System.out.println("프로그램을 종료합니다.");
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break;
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}
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else {
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System.out.println("잘 못 입력하셨습니다.");
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}
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}
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sc.close();
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}
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}

‎송주헌/Account.java‎

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package team4_study;
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public class Account {
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private String ano;
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private String owner;
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private int balance;
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public Account(String ano, String owner, int balance) {
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this.ano = ano;
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this.owner = owner;
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this.balance = balance;
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}
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public String getAno() {
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return ano;
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}
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public void setAno(String ano) {
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this.ano = ano;
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}
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public String getOwner() {
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return owner;
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}
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public void setOwner(String owner) {
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this.owner = owner;
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}
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public int getBalance() {
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return balance;
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}
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public void setBalance(int balance) {
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this.balance = balance;
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}
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}

‎송주헌/BankApplication.java‎

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package team4_study;
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import java.util.Scanner;
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public class BankApplication {
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private static Account[] accountArray = new Account[100];
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//static으로 선언한 이유는 main에서 객체를 생성하고, 사용하기 위해서
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private static Scanner sc = new Scanner(System.in);
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public static void main(String[] args) {
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// TODO Auto-generated method stub
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//사용자의 입력을 읽기 위해 Scanner 추가
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// local 변수 boolean 선언
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boolean run = true;
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while(run) {
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System.out.println("------------------------------------");
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System.out.println("1.계좌생성|2.계좌목록|3.예금|4.출금|5.종료");
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System.out.println("------------------------------------");
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System.out.print("선택> ");
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int selectNo = sc.nextInt();
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if(selectNo == 1) {
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createAccount();
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//메인 메소드에서 호출했기 때문에 static 메소드여야 함.
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} else if(selectNo == 2) {
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accountList();
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} else if(selectNo == 3) {
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Deposit();
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} else if(selectNo == 4) {
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withdraw();
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} else if(selectNo == 5) {
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run = false;
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}
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}
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System.out.println("프로그램 종료");
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}
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// 매개변수에 스캐너 넣는방법 찾아보기
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private static void withdraw() {
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// TODO Auto-generated method stub
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System.out.println("-------------");
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System.out.println("출금");
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System.out.println("-------------");
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System.out.println("계좌번호");
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String aNum = sc.next();
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System.out.println("출금액");
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int money = sc.nextInt();
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Account account = findAccount(aNum);
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if(account == null) {
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System.out.println("결과: 계좌가 없습니다.");
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return;
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}
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account.setBalance(account.getBalance() - money);
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System.out.println("결과: 출금되었습니다.");
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}
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private static void Deposit() {
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// TODO Auto-generated method stub
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System.out.println("-------------");
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System.out.println("예금");
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System.out.println("-------------");
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System.out.println("계좌번호");
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String aNum = sc.next();
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System.out.println("예금액");
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int money = sc.nextInt();
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Account account = findAccount(aNum);
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if(account == null) {
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System.out.println("결과: 계좌가 없습니다.");
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return;
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}
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account.setBalance(account.getBalance() + money);
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System.out.println("결과: 입금되었습니다.");
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}
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private static Account findAccount(String ano) {
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Account account = null;
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for(int i = 0; i < accountArray.length; i++) {
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if(accountArray[i] != null) {
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String aNum = accountArray[i].getAno();
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if(aNum.equals(ano)) {
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// aNum이 ano와 같은지 검사
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account = accountArray[i];
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// accountArray 배열의 i번째 값과 일치할 때
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break;
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}
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}
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}
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return account;
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}
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private static void accountList() {
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// TODO Auto-generated method stub
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System.out.println("-------------");
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System.out.println("계좌목록");
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System.out.println("-------------");
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for(int i = 0; i < accountArray.length; i++) {
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Account account = accountArray[i];
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if(account != null) {
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System.out.print(account.getAno());
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System.out.print(" ");
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System.out.print(account.getOwner());
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System.out.print(" ");
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System.out.print(account.getBalance());
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System.out.println();
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}
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}
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}
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private static void createAccount() {
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// TODO Auto-generated method stub
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System.out.println("-------------");
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System.out.println("계좌생성");
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System.out.println("-------------");
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System.out.print("계좌번호: ");
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String ano = sc.next();
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System.out.print("계좌주: ");
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String owner = sc.next();
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System.out.print("초기입금액: ");
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int balance = sc.nextInt();
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Account newAccount = new Account(ano, owner, balance);
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// 배열의 내용이 null인 곳에 저장
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for(int i = 0; i < accountArray.length; i++) {
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if(accountArray[i] == null) {
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accountArray[i] = newAccount;
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System.out.println("결과: 계좌가 생성되었습니다.");
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break;
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}
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}
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}
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}

‎송주헌/폴더 생성용.txt‎

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test4

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