Bank-Beispiel/.classpath

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+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-17">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

Bank-Beispiel/.gitignore

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+# ---> Eclipse
+.metadata
+bin/
+tmp/
+*.tmp
+*.bak
+*.swp
+*~.nib
+local.properties
+.settings/
+.loadpath
+.recommenders
+
+# External tool builders
+.externalToolBuilders/
+
+# Locally stored "Eclipse launch configurations"
+*.launch
+
+# PyDev specific (Python IDE for Eclipse)
+*.pydevproject
+
+# CDT-specific (C/C++ Development Tooling)
+.cproject
+
+# CDT- autotools
+.autotools
+
+# Java annotation processor (APT)
+.factorypath
+
+# PDT-specific (PHP Development Tools)
+.buildpath
+
+# sbteclipse plugin
+.target
+
+# Tern plugin
+.tern-project
+
+# TeXlipse plugin
+.texlipse
+
+# STS (Spring Tool Suite)
+.springBeans
+
+# Code Recommenders
+.recommenders/
+
+# Annotation Processing
+.apt_generated/
+.apt_generated_test/
+
+# Scala IDE specific (Scala & Java development for Eclipse)
+.cache-main
+.scala_dependencies
+.worksheet
+
+# Uncomment this line if you wish to ignore the project description file.
+# Typically, this file would be tracked if it contains build/dependency configurations:
+#.project
+
+# ---> JetBrains
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/dictionaries
+.idea/**/shelf
+
+# AWS User-specific
+.idea/**/aws.xml
+
+# Generated files
+.idea/**/contentModel.xml
+
+# Sensitive or high-churn files
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+
+# Gradle
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# Gradle and Maven with auto-import
+# When using Gradle or Maven with auto-import, you should exclude module files,
+# since they will be recreated, and may cause churn.  Uncomment if using
+# auto-import.
+# .idea/artifacts
+# .idea/compiler.xml
+# .idea/jarRepositories.xml
+# .idea/modules.xml
+# .idea/*.iml
+# .idea/modules
+# *.iml
+# *.ipr
+
+# CMake
+cmake-build-*/
+
+# Mongo Explorer plugin
+.idea/**/mongoSettings.xml
+
+# File-based project format
+*.iws
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# SonarLint plugin
+.idea/sonarlint/
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# Editor-based Rest Client
+.idea/httpRequests
+
+# Android studio 3.1+ serialized cache file
+.idea/caches/build_file_checksums.ser
+
+# ---> Java
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.nar
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+replay_pid*
+
+# ---> VisualStudioCode
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+!.vscode/*.code-snippets
+
+# Local History for Visual Studio Code
+.history/
+
+# Built Visual Studio Code Extensions
+*.vsix
+

Bank-Beispiel/.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>Bank-Beispiel</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

Bank-Beispiel/src/de/hs_mannheim/informatik/bank/Main.java

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+package de.hs_mannheim.informatik.bank;
+
+import de.hs_mannheim.informatik.bank.facade.Banksystem;
+import de.hs_mannheim.informatik.bank.ui.UI;
+
+public class Main {
+
+	public static void main(String[] args) {
+		Banksystem bs = new Banksystem("Spaßkasse Mannheim");
+		UI ui = new UI(bs);
+	}
+
+}

Bank-Beispiel/src/de/hs_mannheim/informatik/bank/domain/Bank.java

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+package de.hs_mannheim.informatik.bank.domain;
+
+import java.util.Collection;
+import java.util.HashMap;
+
+public class Bank {
+	private String name;
+	private HashMap<Integer, Konto> konten = new HashMap<>();
+	
+	public Bank(String name) {
+		this.name = name;
+	}
+	
+	public void addKonto(Konto k) {
+		konten.put(k.getKontonummer(), k);
+	}
+	
+	public String getName() {
+		return name;
+	}
+	
+	public Collection<Konto> getKontenliste() {
+		return konten.values();
+	}
+	
+}

Bank-Beispiel/src/de/hs_mannheim/informatik/bank/domain/Konto.java

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+package de.hs_mannheim.informatik.bank.domain;
+
+public class Konto {
+	private static int kontozähler = 0;
+	
+	private int nummer;
+	private long stand = 0;
+	private String inhaber;
+
+	public Konto(String inhaber) {
+		nummer = 1000 + kontozähler++;
+		this.inhaber = inhaber;
+	}
+	
+	public int getKontonummer() {
+		return nummer;
+	}
+
+	@Override
+	public String toString() {
+		return "Konto [nummer=" + nummer + ", inhaber=" + inhaber + "]";
+	}
+	
+}

Bank-Beispiel/src/de/hs_mannheim/informatik/bank/facade/Banksystem.java

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+package de.hs_mannheim.informatik.bank.facade;
+
+import java.util.Collection;
+
+import de.hs_mannheim.informatik.bank.domain.Bank;
+import de.hs_mannheim.informatik.bank.domain.Konto;
+
+public class Banksystem {
+	private Bank bank;
+	
+	public Banksystem(String bankname) {
+		this.bank = new Bank(bankname);
+	}
+	
+	public int kontoAnlegen(String name) {
+		Konto k = new Konto(name);
+		bank.addKonto(k);
+		
+		return k.getKontonummer();
+	}
+	
+	public String[] getKontenliste() {
+		Collection<Konto> konten = bank.getKontenliste();
+		String[] liste = new String[konten.size()];
+		
+		int i = 0;
+		for (Konto k : konten) {
+			liste[i++] = k.toString(); 
+		}
+		
+		return liste;
+	}
+	
+	public String getBankname() {
+		return bank.getName();
+	}
+}

Bank-Beispiel/src/de/hs_mannheim/informatik/bank/ui/UI.java

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+package de.hs_mannheim.informatik.bank.ui;
+
+import java.util.Scanner;
+
+import de.hs_mannheim.informatik.bank.facade.Banksystem;
+
+public class UI {
+	private Banksystem bs;
+	Scanner sc = new Scanner(System.in);
+
+	public UI(Banksystem bs) {
+		this.bs = bs;
+		hauptmenü();
+	}
+
+	private void hauptmenü() {
+		System.out.println("Willkommen bei der " + bs.getBankname() + "!");
+
+		mainloop: 
+			while (true) {
+				System.out.println();
+				System.out.println("--------");
+				System.out.println("Hauptmenü");
+				System.out.println("1 -> Konten anzeigen");
+				System.out.println("2 -> Konto anlegen");
+				System.out.println("9 -> Beenden");
+				System.out.println();
+
+				System.out.print("> ");
+				int input = Integer.parseInt(sc.nextLine());
+				System.out.println();
+
+				switch(input) {
+					case 1: kontenAnzeigen(); break;
+					case 2: kontoAnlegen(); break;
+					case 9: break mainloop;
+				}
+			}
+
+		System.out.println("Auf Wiedersehen!");
+
+	} // hauptmenü
+
+	private void kontenAnzeigen() {		
+		String[] konten = bs.getKontenliste();
+		if (konten.length > 0) {
+			System.out.println("Folgende Konten sind aktuell verfügbar:");
+			for (String s : konten) {
+				System.out.println(s);
+			}
+		} else {
+			System.out.println("Bisher keine Konten angelegt.");
+		}
+	}
+
+	private void kontoAnlegen() {
+		System.out.println("Bitte den Namen des Kontoinhabers angeben: ");
+		String name = sc.nextLine();
+
+		int kontonummer = bs.kontoAnlegen(name);
+		System.out.println("Konto mit der Nummer " + kontonummer + " neu angelegt.");
+	}
+
+}

Bank-System2

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-Subproject commit 666fd4909a4433333d63f0e755fdd835519bfe0d

README.md

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+# Bank-System
+
+Beispielsystem für PR2 im WS22/23.