forked from hummel/Bank-System
unbennenung
mehtapilhan
parent
d4e200beca
commit
c837548779
11
.project
11
.project
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@ -1,11 +0,0 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>Bank-SystemMeins</name>
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<comment></comment>
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<projects>
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</projects>
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<buildSpec>
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</buildSpec>
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<natures>
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</natures>
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</projectDescription>
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@ -1,11 +0,0 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<classpath>
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<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-17">
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<attributes>
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<attribute name="module" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry kind="src" path="src"/>
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<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/5"/>
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<classpathentry kind="output" path="bin"/>
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</classpath>
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@ -1,181 +1 @@
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# ---> Eclipse
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.metadata
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bin/
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tmp/
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||||
*.tmp
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*.bak
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*.swp
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*~.nib
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local.properties
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.settings/
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.loadpath
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.recommenders
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# External tool builders
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||||
.externalToolBuilders/
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# Locally stored "Eclipse launch configurations"
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||||
*.launch
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# PyDev specific (Python IDE for Eclipse)
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*.pydevproject
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# CDT-specific (C/C++ Development Tooling)
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.cproject
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# CDT- autotools
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.autotools
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|
||||
# Java annotation processor (APT)
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||||
.factorypath
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|
||||
# PDT-specific (PHP Development Tools)
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||||
.buildpath
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|
||||
# sbteclipse plugin
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||||
.target
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||||
|
||||
# Tern plugin
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||||
.tern-project
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||||
# TeXlipse plugin
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||||
.texlipse
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||||
# STS (Spring Tool Suite)
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||||
.springBeans
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|
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# Code Recommenders
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||||
.recommenders/
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# Annotation Processing
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.apt_generated/
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.apt_generated_test/
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# Scala IDE specific (Scala & Java development for Eclipse)
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.cache-main
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.scala_dependencies
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.worksheet
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# Uncomment this line if you wish to ignore the project description file.
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# Typically, this file would be tracked if it contains build/dependency configurations:
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#.project
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# ---> JetBrains
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# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
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# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
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# User-specific stuff
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.idea/**/workspace.xml
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.idea/**/tasks.xml
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.idea/**/usage.statistics.xml
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.idea/**/shelf
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# AWS User-specific
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.idea/**/aws.xml
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# Generated files
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.idea/**/contentModel.xml
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# Sensitive or high-churn files
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.idea/**/dataSources/
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.idea/**/dataSources.ids
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.idea/**/dataSources.local.xml
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.idea/**/sqlDataSources.xml
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.idea/**/dynamic.xml
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.idea/**/uiDesigner.xml
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.idea/**/dbnavigator.xml
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# Gradle
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||||
.idea/**/gradle.xml
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.idea/**/libraries
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# Gradle and Maven with auto-import
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||||
# When using Gradle or Maven with auto-import, you should exclude module files,
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# since they will be recreated, and may cause churn. Uncomment if using
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# auto-import.
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# .idea/artifacts
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# .idea/compiler.xml
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# .idea/jarRepositories.xml
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# .idea/modules.xml
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# .idea/*.iml
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# .idea/modules
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# *.iml
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# *.ipr
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# CMake
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||||
cmake-build-*/
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# Mongo Explorer plugin
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.idea/**/mongoSettings.xml
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# File-based project format
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*.iws
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# IntelliJ
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out/
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# mpeltonen/sbt-idea plugin
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.idea_modules/
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# JIRA plugin
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atlassian-ide-plugin.xml
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# Cursive Clojure plugin
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.idea/replstate.xml
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# SonarLint plugin
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.idea/sonarlint/
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# Crashlytics plugin (for Android Studio and IntelliJ)
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com_crashlytics_export_strings.xml
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crashlytics.properties
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crashlytics-build.properties
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fabric.properties
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# Editor-based Rest Client
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.idea/httpRequests
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# Android studio 3.1+ serialized cache file
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.idea/caches/build_file_checksums.ser
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# ---> Java
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# Compiled class file
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*.class
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# Log file
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*.log
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# BlueJ files
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*.ctxt
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# Mobile Tools for Java (J2ME)
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.mtj.tmp/
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# Package Files #
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*.jar
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*.war
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*.nar
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*.ear
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*.zip
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||||
*.tar.gz
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||||
*.rar
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# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
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hs_err_pid*
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replay_pid*
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# ---> VisualStudioCode
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.vscode/*
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!.vscode/settings.json
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!.vscode/tasks.json
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!.vscode/launch.json
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!.vscode/extensions.json
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!.vscode/*.code-snippets
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# Local History for Visual Studio Code
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.history/
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# Built Visual Studio Code Extensions
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*.vsix
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/bin/
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@ -1,17 +0,0 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>Bank-BeispielMeins</name>
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<comment></comment>
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||||
<projects>
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||||
</projects>
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||||
<buildSpec>
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||||
<buildCommand>
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||||
<name>org.eclipse.jdt.core.javabuilder</name>
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||||
<arguments>
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||||
</arguments>
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||||
</buildCommand>
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||||
</buildSpec>
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||||
<natures>
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||||
<nature>org.eclipse.jdt.core.javanature</nature>
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</natures>
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</projectDescription>
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Binary file not shown.
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@ -1,14 +0,0 @@
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package de.hs_mannheim.informatik.bank;
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import de.hs_mannheim.informatik.bank.facade.Banksystem;
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import de.hs_mannheim.informatik.bank.ui.UI;
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public class Main {
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public static void main(String[] args) {
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Banksystem bs = new Banksystem("Spaßkasse Mannheim");
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UI ui = new UI(bs);
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}
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}
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package de.hs_mannheim.informatik.bank.domain;
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import java.io.Serializable;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.List;
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public class Bank implements Serializable {
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private static final long serialVersionUID = -4051540516262811680L;
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private String name;
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private HashMap<Integer, Konto> konten = new HashMap<>();
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public Bank(String name) { // bank kriegt name
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this.name = name;
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}
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public void addKonto(Konto k) { // ein konto wird hinzugefügt mit der neuen kontonummer
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konten.put(k.getKontonummer(), k);
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}
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public long zahleEin(Integer kontonummer, long einzahlung) { // object konto wird erstellt mit dem kontonummer und wird auf den minimalwert geprüft und einzahlen aufgerufen
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Konto konto = konten.get(kontonummer);
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if(konto == null)
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return Long.MIN_VALUE;
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return konto.zahleEin(einzahlung);
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}
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public String getName() { // getter für Name und Kontostand wird errichtet
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return name;
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}
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public long getKontostand(Integer kontonummer) {
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Konto konto = konten.get(kontonummer);
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if(konto == null)
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return Long.MIN_VALUE;
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return konto.getKontostand();
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}
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// Damit nicht auf nicht existierende Konten eingezahlt werden kann
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public boolean existiertKonto(Integer kontonummer) {
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return konten.containsKey(kontonummer);
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}
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public Collection<Konto> getKontenliste() { //kontenliste wird
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return konten.values();
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}
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public List<Kontoauszug> getAuszuge(Integer kontonummer) { //arrayliste mit kontoauszug wird erstellt
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Konto konto = konten.get(kontonummer);
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if(konto == null)
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return new ArrayList<>();
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return konto.getAuszuge();
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}
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}
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package de.hs_mannheim.informatik.bank.domain;
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import java.io.Serializable;
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import java.util.ArrayList;
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import java.util.List;
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public class Konto implements Serializable {
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private static final long serialVersionUID = 1281848917479629785L;
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private static int kontozähler = 0; // warum nicht hier direkt auf 1000 setzen
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private int nummer;
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private long stand = 0;
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private String inhaber;
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private ArrayList<Kontoauszug> auszuge = new ArrayList<>();
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public Konto(String inhaber) {
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nummer = 1000 + kontozähler++; // warum ab 1000?
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this.inhaber = inhaber;
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}
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public int getKontonummer() {
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return nummer;
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}
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public long getKontostand() {
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return stand;
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}
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public long zahleEin(long einzahlung) {
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this.stand += einzahlung;
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// inhaber muss theoretisch ermittelt werden mit scanner
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auszuge.add(new Kontoauszug(stand, einzahlung, inhaber));
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return stand;
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}
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public List<Kontoauszug> getAuszuge() {
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return auszuge;
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}
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@Override
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public String toString() {
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return "Konto [nummer=" + nummer + ", inhaber=" + inhaber + "]"; // warum fehlt der kontostand
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}
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}
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package de.hs_mannheim.informatik.bank.domain;
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import static org.junit.jupiter.api.Assertions.*;
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import org.junit.jupiter.api.Test;
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class KontoTest {
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//assertEquals testet ob zahleEin() den Kontostand richtig erhöht
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@Test
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void testzahleEin(){
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Konto konto = new Konto ("Hans");
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long zahl1 = 5000;
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konto.zahleEin(zahl1);
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assertEquals(konto.getKontostand(), zahl1);
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}
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@Test
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void testzahleEin2() {
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Konto konto = new Konto ("Hans");
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long zahl1 = -500;
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konto.zahleEin(zahl1);
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assertNotEquals(konto.getKontostand(), 5);
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}
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//es gibt keine methode für zahleaus, wir testen zahleEin auf negativem betrag
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@Test
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void testzahleAus() {
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Konto konto = new Konto ("Hans");
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long zahl1 = -100;
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konto.zahleEin(zahl1);
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assertEquals(konto.getKontostand(), zahl1);
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}
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//test ob die erste Kontonummer richtig vergeben wird
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@Test
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void testKontonummer() {
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Konto konto = new Konto ("bauer");
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assertEquals(konto.getKontonummer(), 1003);
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}
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}
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package de.hs_mannheim.informatik.bank.domain;
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import java.io.Serializable;
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import java.util.Date;
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public class Kontoauszug implements Serializable {
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private static final long serialVersionUID = -1220632421439291641L;
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private long kontostand, betrag;
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private Date date = new Date();
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private String auftraggeber;
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public Kontoauszug(long kontostand, long betrag, String auftraggeber) {
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this.kontostand = kontostand;
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this.betrag = betrag;
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this.auftraggeber = auftraggeber;
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}
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@Override
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public String toString() {
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return "Datum: " + date.toString() + " | Kontostand: " + kontostand + " | Betrag: " + (betrag < 0 ? "-" : "+") + betrag + " | " + "Auftraggeber: " + auftraggeber;
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}
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}
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package de.hs_mannheim.informatik.bank.facade;
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import java.util.Collection;
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import java.util.List;
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import de.hs_mannheim.informatik.bank.domain.Bank;
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import de.hs_mannheim.informatik.bank.domain.Konto;
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import de.hs_mannheim.informatik.bank.domain.Kontoauszug;
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import persistence.BankSerializer;
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public class Banksystem {
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private Bank bank;
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public Banksystem(String bankname) {
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this.bank = new Bank(bankname);
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}
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public int kontoAnlegen(String name) {
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Konto k = new Konto(name);
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bank.addKonto(k);
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return k.getKontonummer();
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}
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public String[] getKontenliste() {
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Collection<Konto> konten = bank.getKontenliste();
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String[] liste = new String[konten.size()];
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int i = 0;
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for (Konto k : konten) {
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liste[i++] = k.toString();
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}
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return liste;
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}
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public long zahleEin(Integer kontonummer, long einzahlung) {
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return bank.zahleEin(kontonummer, einzahlung);
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}
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public long getKontostand(Integer kontonummer) {
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return bank.getKontostand(kontonummer);
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}
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// Damit nicht auf nicht existierende Konten eingezahlt werden kann
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public boolean existiertKonto(Integer kontonummer) {
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return bank.existiertKonto(kontonummer);
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}
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public String getBankname() {
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return bank.getName();
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}
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public List<Kontoauszug> getAuszuge(Integer kontonummer) {
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return bank.getAuszuge(kontonummer);
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}
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//Erklärung Serializer, null hat keinen Wert und Bank wird mit this aufgerufen wegen private
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public void ladeSitzung() {
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Bank bank = BankSerializer.readFromFile("meine_tolle_bank.txt");
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if(bank != null)
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this.bank = bank;
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}
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public void speichereSitzung() {
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BankSerializer.saveToFile("meine_tolle_bank.txt", bank);
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}
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}
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@ -1,23 +0,0 @@
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package de.hs_mannheim.informatik.bank.facade;
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import static org.junit.Assert.assertTrue;
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import static org.junit.jupiter.api.Assertions.*;
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import org.junit.jupiter.api.Test;
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import de.hs_mannheim.informatik.bank.domain.Bank;
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import de.hs_mannheim.informatik.bank.domain.Konto;
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class BanksystemTest {
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@Test
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void testkontoAnlegen() {
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Banksystem bs = new Banksystem ("Sparkasse");
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String name = "Peter";
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assertEquals(bs.kontoAnlegen(name) ,1000 );
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}
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}
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@ -1,150 +0,0 @@
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package de.hs_mannheim.informatik.bank.ui;
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import java.util.List;
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import java.util.Scanner;
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import de.hs_mannheim.informatik.bank.domain.Kontoauszug;
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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;
|
||||
bs.speichereSitzung();
|
||||
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("3 -> Auf Konto einzahlen");
|
||||
System.out.println("4 -> Von Konto abheben");
|
||||
System.out.println("5 -> Kontostand anzeigen");
|
||||
System.out.println("6 -> Kontoauszug anzeigen");
|
||||
System.out.println("9 -> Beenden");
|
||||
System.out.println();
|
||||
|
||||
System.out.print("> ");
|
||||
String input = sc.nextLine();
|
||||
int inputNumber = 0;
|
||||
|
||||
if(!input.equalsIgnoreCase(""))
|
||||
inputNumber = Integer.parseInt(input);
|
||||
|
||||
System.out.println();
|
||||
|
||||
switch(inputNumber) {
|
||||
case 1: kontenAnzeigen(); break;
|
||||
case 2: kontoAnlegen(); break;
|
||||
case 3: kontoEinzahlen(); break;
|
||||
case 4: kontoAbheben(); break;
|
||||
case 5: kontostandAnzeigen(); break;
|
||||
case 6: kontoauszugAnzeigen(); break;
|
||||
case 9: bs.speichereSitzung(); break mainloop;
|
||||
default: break;
|
||||
}
|
||||
}
|
||||
|
||||
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(); // warum kein null check / empty check
|
||||
|
||||
int kontonummer = bs.kontoAnlegen(name);
|
||||
System.out.print("Konto mit der Nummer " + kontonummer + " neu angelegt.");
|
||||
System.out.println();
|
||||
}
|
||||
|
||||
private void kontoEinzahlen() {
|
||||
// Konto ermitteln
|
||||
System.out.print("Bitte die Kontonummer angeben: ");
|
||||
Integer kontonummer = sc.nextInt(); // warum kein null check / empty check
|
||||
|
||||
|
||||
if(!bs.existiertKonto(kontonummer)) {
|
||||
System.out.print("Kein Konto mit dieser Kontonummer existiert.");
|
||||
return;
|
||||
// hier kann man auch wieder kontoEinzahlen aufrufen, für eine erneute Eingabemöglichkeit, dann muss aber vorher geprüft werden, ob Konten existieren.
|
||||
}
|
||||
|
||||
// Betrag ermitteln
|
||||
System.out.print("Bitte den einzuzahlenden Betrag angeben: ");
|
||||
long betrag = sc.nextLong();
|
||||
|
||||
|
||||
// Einzahlen
|
||||
long kontostand = bs.zahleEin(kontonummer, betrag);
|
||||
System.out.print("Konto mit der Nummer " + kontonummer + " hat einen Kontostand von " + kontostand);
|
||||
System.out.println();
|
||||
}
|
||||
|
||||
|
||||
private void kontoAbheben() {
|
||||
// Konto ermitteln
|
||||
System.out.println("Bitte die Kontonummer angeben: ");
|
||||
Integer kontonummer = sc.nextInt();
|
||||
|
||||
if(!bs.existiertKonto(kontonummer)) {
|
||||
System.out.println("Kein Konto mit dieser Kontonummer existiert.");
|
||||
kontoAbheben();
|
||||
return;// könnte auch return rein
|
||||
}
|
||||
|
||||
// Betrag ermitteln
|
||||
System.out.println("Bitte den abzuhebenden Betrag angeben: ");
|
||||
long betrag = sc.nextLong();
|
||||
|
||||
// Abheben
|
||||
long kontostand = bs.zahleEin(kontonummer, -betrag);
|
||||
System.out.println("Konto mit der Nummer " + kontonummer + " hat einen Kontostand von " + kontostand);
|
||||
}
|
||||
|
||||
private void kontoauszugAnzeigen() {
|
||||
// Konto ermitteln
|
||||
System.out.println("Bitte die Kontonummer angeben: ");
|
||||
Integer kontonummer = sc.nextInt();
|
||||
|
||||
if(!bs.existiertKonto(kontonummer)) {
|
||||
System.out.println("Kein Konto mit dieser Kontonummer existiert.");
|
||||
return;
|
||||
|
||||
}
|
||||
|
||||
List<Kontoauszug> auszuge = bs.getAuszuge(kontonummer);
|
||||
|
||||
for(Kontoauszug auszug : auszuge)
|
||||
System.out.println(auszug);
|
||||
}
|
||||
|
||||
private void kontostandAnzeigen() {
|
||||
// Konto ermitteln
|
||||
System.out.println("Bitte die Kontonummer angeben: ");
|
||||
Integer kontonummer = sc.nextInt();
|
||||
|
||||
System.out.println("Konto mit der Nummer " + kontonummer + " hat einen Kontostand von " + bs.getKontostand(kontonummer));
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -1,40 +0,0 @@
|
|||
package persistence;
|
||||
|
||||
import java.io.File;
|
||||
import java.io.FileInputStream;
|
||||
import java.io.FileNotFoundException;
|
||||
import java.io.FileOutputStream;
|
||||
import java.io.IOException;
|
||||
import java.io.ObjectInputStream;
|
||||
import java.io.ObjectOutputStream;
|
||||
|
||||
import de.hs_mannheim.informatik.bank.domain.Bank;
|
||||
|
||||
public class BankSerializer {
|
||||
|
||||
public static void saveToFile(String filename, Bank bank) {
|
||||
try(ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream(new File(filename)))) {
|
||||
oos.writeObject(bank);
|
||||
} catch (FileNotFoundException e) {
|
||||
e.printStackTrace();
|
||||
} catch (IOException e1) {
|
||||
e1.printStackTrace();
|
||||
}
|
||||
}
|
||||
|
||||
public static Bank readFromFile(String filename) {
|
||||
try(ObjectInputStream ooi = new ObjectInputStream(new FileInputStream(new File(filename)))) {
|
||||
try {
|
||||
return (Bank) ooi.readObject(); // schauen welche Exceptions geworfen werden
|
||||
} catch (ClassNotFoundException e) {
|
||||
// TODO Auto-generated catch block
|
||||
e.printStackTrace();
|
||||
}
|
||||
} catch (FileNotFoundException e) {
|
||||
e.printStackTrace();
|
||||
} catch (IOException e1) {
|
||||
e1.printStackTrace();
|
||||
}
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
|
@ -1,50 +0,0 @@
|
|||
package persistence;
|
||||
|
||||
import java.io.File;
|
||||
import java.io.FileInputStream;
|
||||
import java.io.FileNotFoundException;
|
||||
import java.io.FileOutputStream;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.io.OutputStream;
|
||||
|
||||
public class BankSerializer2 {
|
||||
|
||||
|
||||
File inFile = new File ("C:/Users/mehta/OneDrive/Masaüstü/PR1_Inhalt.txt");
|
||||
File outFile = new File ("C:/Users/mehta/OneDrive/Masaüstü/PR1_Inhalt-test.txt");
|
||||
|
||||
|
||||
|
||||
public static void inFileStream(File in, File out) {
|
||||
|
||||
InputStream inStream= null;
|
||||
OutputStream outStream = null;
|
||||
|
||||
try {
|
||||
inStream = new FileInputStream(in);
|
||||
outStream = new FileOutputStream(out);
|
||||
|
||||
int input;
|
||||
while((input = inStream.read())!= -1 ){
|
||||
outStream.write(input);
|
||||
}
|
||||
}
|
||||
catch (FileNotFoundException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
catch(IOException e) {
|
||||
e.printStackTrace();
|
||||
|
||||
}finally {
|
||||
try {
|
||||
inStream.close();
|
||||
outStream.close();
|
||||
|
||||
}catch (IOException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue