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Testweise eine Bank mit UI, Facade und Domain erstellt

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dustineversmann 2024-10-08 21:10:54 +02:00
parent 12c473accb
commit eb1e178564
8 changed files with 346 additions and 42 deletions
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124
.idea/uiDesigner.xml 100644
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@ -0,0 +1,124 @@
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6
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<component name="VcsDirectoryMappings">
<mapping directory="$PROJECT_DIR$" vcs="Git" />
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81
.idea/workspace.xml
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@ -5,19 +5,50 @@
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<component name="ChangeListManager">
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@ -38,6 +71,26 @@
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41
src/main/java/de/deversmann/BankApp.java 100644
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@ -0,0 +1,41 @@
package de.deversmann;
import de.deversmann.Facade.BankFacade;
import de.deversmann.UI.BankUI;
public class BankApp {
public static void main(String[] args) {
BankFacade bankFacade = new BankFacade();
BankUI bankUI = new BankUI(); // Instanz der UI-Klasse
System.out.println("Willkommen bei der BankApp!");
try {
String accountNumber = bankUI.getAccountNumber();
int action = bankUI.getAction();
switch (action) {
case 1:
double depositAmount = bankUI.getDepositAmount();
bankFacade.depositToAccount(accountNumber, depositAmount);
bankUI.showSuccessMessage("Einzahlung erfolgreich.");
break;
case 2:
double withdrawAmount = bankUI.getWithdrawAmount();
bankFacade.withdrawFromAccount(accountNumber, withdrawAmount);
bankUI.showSuccessMessage("Abhebung erfolgreich.");
break;
case 3:
double balance = bankFacade.getAccountBalance(accountNumber);
bankUI.showBalance(balance);
break;
default:
bankUI.showErrorMessage("Ungültige Aktion.");
}
} catch (Exception e) {
bankUI.showErrorMessage(e.getMessage());
} finally {
bankUI.closeScanner(); // Scanner wird geschlossen
}
}
}

29
src/main/java/de/deversmann/Domain/Account.java 100644
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@ -0,0 +1,29 @@
package de.deversmann.Domain;
public class Account {
private String accountNumber;
private double balance;
public Account(String accountNumber, double initialBalance) {
this.accountNumber = accountNumber;
this.balance = initialBalance;
}
public void deposit(double amount) {
if (amount > 0) {
balance += amount;
}
}
public void withdraw(double amount) throws Exception {
if (amount > 0 && balance >= amount) {
balance -= amount;
} else {
throw new Exception("Insufficient balance");
}
}
public double getBalance() {
return balance;
}
}

43
src/main/java/de/deversmann/Facade/BankFacade.java 100644
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@ -0,0 +1,43 @@
package de.deversmann.Facade;
import de.deversmann.Domain.Account;
import java.util.HashMap;
import java.util.Map;
public class BankFacade {
private Map<String, Account> accounts;
public BankFacade() {
this.accounts = new HashMap<>();
// Beispiel: Erstellen eines Demokontos
accounts.put("12345", new Account("12345", 1000.0));
}
public void depositToAccount(String accountNumber, double amount) throws Exception {
Account account = accounts.get(accountNumber);
if (account != null) {
account.deposit(amount);
} else {
throw new Exception("Account not found");
}
}
public void withdrawFromAccount(String accountNumber, double amount) throws Exception {
Account account = accounts.get(accountNumber);
if (account != null) {
account.withdraw(amount);
} else {
throw new Exception("Account not found");
}
}
public double getAccountBalance(String accountNumber) throws Exception {
Account account = accounts.get(accountNumber);
if (account != null) {
return account.getBalance();
} else {
throw new Exception("Account not found");
}
}
}

17
src/main/java/de/deversmann/Main.java
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@ -1,17 +0,0 @@
package de.deversmann;
//TIP To <b>Run</b> code, press <shortcut actionId="Run"/> or
// click the <icon src="AllIcons.Actions.Execute"/> icon in the gutter.
public class Main {
public static void main(String[] args) {
//TIP Press <shortcut actionId="ShowIntentionActions"/> with your caret at the highlighted text
// to see how IntelliJ IDEA suggests fixing it.
System.out.printf("Hello and welcome!");
for (int i = 1; i <= 5; i++) {
//TIP Press <shortcut actionId="Debug"/> to start debugging your code. We have set one <icon src="AllIcons.Debugger.Db_set_breakpoint"/> breakpoint
// for you, but you can always add more by pressing <shortcut actionId="ToggleLineBreakpoint"/>.
System.out.println("i = " + i);
}
}
}

47
src/main/java/de/deversmann/UI/BankUI.java 100644
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@ -0,0 +1,47 @@
package de.deversmann.UI;
import java.util.Scanner;
public class BankUI {
private Scanner scanner;
public BankUI() {
this.scanner = new Scanner(System.in);
}
public String getAccountNumber() {
System.out.print("Geben Sie die Kontonummer ein: ");
return scanner.nextLine();
}
public int getAction() {
System.out.print("Wählen Sie eine Aktion (1: Einzahlen, 2: Abheben, 3: Kontostand anzeigen): ");
return scanner.nextInt();
}
public double getDepositAmount() {
System.out.print("Geben Sie den Einzahlungsbetrag ein: ");
return scanner.nextDouble();
}
public double getWithdrawAmount() {
System.out.print("Geben Sie den Abhebungsbetrag ein: ");
return scanner.nextDouble();
}
public void showBalance(double balance) {
System.out.println("Ihr Kontostand beträgt: " + balance);
}
public void showSuccessMessage(String message) {
System.out.println(message);
}
public void showErrorMessage(String message) {
System.out.println("Fehler: " + message);
}
public void closeScanner() {
scanner.close();
}
}