forked from hummel/Bank-System
Compare commits
2 Commits
| Author | SHA1 | Date |
|---|---|---|
mehtapilhan
|
c837548779 | |
|
mehtapilhan
|
d4e200beca |
11
.project
11
.project
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@ -1,11 +0,0 @@
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|||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<projectDescription>
|
||||
<name>Bank-System</name>
|
||||
<comment></comment>
|
||||
<projects>
|
||||
</projects>
|
||||
<buildSpec>
|
||||
</buildSpec>
|
||||
<natures>
|
||||
</natures>
|
||||
</projectDescription>
|
||||
|
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@ -1,10 +0,0 @@
|
|||
<?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>
|
||||
|
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@ -1,181 +1 @@
|
|||
# ---> 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
|
||||
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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# 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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# CDT- autotools
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# Java annotation processor (APT)
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# PDT-specific (PHP Development Tools)
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# STS (Spring Tool Suite)
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# Code Recommenders
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# Annotation Processing
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.apt_generated_test/
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# Scala IDE specific (Scala & Java development for Eclipse)
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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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# 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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# Gradle
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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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# File-based project format
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*.iws
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# Android studio 3.1+ serialized cache file
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# ---> Java
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*.class
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# Log file
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.mtj.tmp/
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# Package Files #
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*.jar
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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
|
||||
hs_err_pid*
|
||||
replay_pid*
|
||||
|
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# ---> VisualStudioCode
|
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.vscode/*
|
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!.vscode/settings.json
|
||||
!.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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|
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# Built Visual Studio Code Extensions
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*.vsix
|
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|
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/bin/
|
||||
|
|
|
|||
|
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@ -1,17 +0,0 @@
|
|||
<?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>
|
||||
|
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@ -1,14 +0,0 @@
|
|||
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);
|
||||
}
|
||||
|
||||
}
|
||||
|
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@ -1,62 +0,0 @@
|
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package de.hs_mannheim.informatik.bank.domain;
|
||||
|
||||
import java.io.Serializable;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Collection;
|
||||
import java.util.HashMap;
|
||||
import java.util.List;
|
||||
|
||||
public class Bank implements Serializable {
|
||||
|
||||
private static final long serialVersionUID = -4051540516262811680L;
|
||||
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 long zahleEin(Integer kontonummer, long einzahlung) {
|
||||
Konto konto = konten.get(kontonummer);
|
||||
|
||||
if(konto == null)
|
||||
return Long.MIN_VALUE;
|
||||
|
||||
return konto.zahleEin(einzahlung);
|
||||
}
|
||||
|
||||
public String getName() {
|
||||
return name;
|
||||
}
|
||||
|
||||
public long getKontostand(Integer kontonummer) {
|
||||
Konto konto = konten.get(kontonummer);
|
||||
|
||||
if(konto == null)
|
||||
return Long.MIN_VALUE;
|
||||
|
||||
return konto.getKontostand();
|
||||
}
|
||||
|
||||
// Damit nicht auf nicht existierende Konten eingezahlt werden kann
|
||||
public boolean existiertKonto(Integer kontonummer) {
|
||||
return konten.containsKey(kontonummer);
|
||||
}
|
||||
|
||||
public Collection<Konto> getKontenliste() {
|
||||
return konten.values();
|
||||
}
|
||||
|
||||
public List<Kontoauszug> getAuszuge(Integer kontonummer) {
|
||||
Konto konto = konten.get(kontonummer);
|
||||
|
||||
if(konto == null)
|
||||
return new ArrayList<>();
|
||||
|
||||
return konto.getAuszuge();
|
||||
}
|
||||
}
|
||||
|
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@ -1,49 +0,0 @@
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package de.hs_mannheim.informatik.bank.domain;
|
||||
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||||
import java.io.Serializable;
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
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;
|
||||
private String inhaber;
|
||||
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||||
private ArrayList<Kontoauszug> auszuge = new ArrayList<>();
|
||||
|
||||
public Konto(String inhaber) {
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nummer = 1000 + kontozähler++; // warum ab 1000?
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this.inhaber = inhaber;
|
||||
}
|
||||
|
||||
|
||||
public int getKontonummer() {
|
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return nummer;
|
||||
}
|
||||
|
||||
public long getKontostand() {
|
||||
return stand;
|
||||
}
|
||||
|
||||
public long zahleEin(long einzahlung) {
|
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this.stand += einzahlung;
|
||||
// inhaber muss theoretisch ermittelt werden mit scanner
|
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auszuge.add(new Kontoauszug(stand, einzahlung, inhaber));
|
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return stand;
|
||||
}
|
||||
|
||||
public List<Kontoauszug> getAuszuge() {
|
||||
return auszuge;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return "Konto [nummer=" + nummer + ", inhaber=" + inhaber + "]"; // warum fehlt der kontostand
|
||||
}
|
||||
|
||||
}
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@ -1,23 +0,0 @@
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|||
package de.hs_mannheim.informatik.bank.domain;
|
||||
|
||||
import java.io.Serializable;
|
||||
import java.util.Date;
|
||||
|
||||
public class Kontoauszug implements Serializable {
|
||||
|
||||
private static final long serialVersionUID = -1220632421439291641L;
|
||||
private long kontostand, betrag;
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private Date date = new Date();
|
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private String auftraggeber;
|
||||
|
||||
public Kontoauszug(long kontostand, long betrag, String auftraggeber) {
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this.kontostand = kontostand;
|
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this.betrag = betrag;
|
||||
this.auftraggeber = auftraggeber;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return "Datum: " + date.toString() + " | Kontostand: " + kontostand + " | Betrag: " + (betrag < 0 ? "-" : "+") + betrag + " | " + "Auftraggeber: " + auftraggeber;
|
||||
}
|
||||
}
|
||||
|
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@ -1,80 +0,0 @@
|
|||
package de.hs_mannheim.informatik.bank.facade;
|
||||
|
||||
import java.util.Collection;
|
||||
import java.util.List;
|
||||
|
||||
import de.hs_mannheim.informatik.bank.domain.Bank;
|
||||
import de.hs_mannheim.informatik.bank.domain.Konto;
|
||||
import de.hs_mannheim.informatik.bank.domain.Kontoauszug;
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||||
import persistence.BankSerializer;
|
||||
|
||||
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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||||
}
|
||||
|
||||
public Banksystem() {
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||||
// TODO Auto-generated constructor stub
|
||||
}
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||||
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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();
|
||||
}
|
||||
|
||||
public String[] getKontenliste() {
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||||
Collection<Konto> konten = bank.getKontenliste();
|
||||
String[] liste = new String[konten.size()];
|
||||
|
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int i = 0;
|
||||
for (Konto k : konten) {
|
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liste[i++] = k.toString();
|
||||
}
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||||
|
||||
return liste;
|
||||
}
|
||||
|
||||
public long zahleEin(Integer kontonummer, long einzahlung) {
|
||||
return bank.zahleEin(kontonummer, einzahlung);
|
||||
}
|
||||
|
||||
public long getKontostand(Integer kontonummer) {
|
||||
return bank.getKontostand(kontonummer);
|
||||
}
|
||||
|
||||
// Damit nicht auf nicht existierende Konten eingezahlt werden kann
|
||||
public boolean existiertKonto(Integer kontonummer) {
|
||||
return bank.existiertKonto(kontonummer);
|
||||
}
|
||||
|
||||
public String getBankname() {
|
||||
return bank.getName();
|
||||
}
|
||||
|
||||
|
||||
public List<Kontoauszug> getAuszuge(Integer kontonummer) {
|
||||
return bank.getAuszuge(kontonummer);
|
||||
}
|
||||
//Erklärung Serializer, null hat keinen Wert und Bank wird mit this aufgerufen wegen private
|
||||
public void ladeSitzung() {
|
||||
Bank bank = BankSerializer.readFromFile("meine_tolle_bank.txt");
|
||||
if(bank != null)
|
||||
this.bank = bank;
|
||||
}
|
||||
|
||||
public void speichereSitzung() {
|
||||
BankSerializer.saveToFile("meine_tolle_bank.txt", bank);
|
||||
}
|
||||
|
||||
public void einzahlen(int i) {
|
||||
// TODO Auto-generated method stub
|
||||
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
|
|
@ -1,146 +0,0 @@
|
|||
package de.hs_mannheim.informatik.bank.ui;
|
||||
|
||||
import java.util.List;
|
||||
import java.util.Scanner;
|
||||
|
||||
import de.hs_mannheim.informatik.bank.domain.Kontoauszug;
|
||||
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.ladeSitzung();
|
||||
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.");
|
||||
|
||||
}
|
||||
|
||||
// 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 fos = new ObjectOutputStream(new FileOutputStream(new File(filename)))) {
|
||||
fos.writeObject(bank);
|
||||
} catch (FileNotFoundException e) {
|
||||
e.printStackTrace();
|
||||
} catch (IOException e1) {
|
||||
e1.printStackTrace();
|
||||
}
|
||||
}
|
||||
|
||||
public static Bank readFromFile(String filename) {
|
||||
try(ObjectInputStream fos = new ObjectInputStream(new FileInputStream(new File(filename)))) {
|
||||
try {
|
||||
return (Bank) fos.readObject();
|
||||
} catch (ClassNotFoundException e) {
|
||||
// TODO Auto-generated catch block
|
||||
e.printStackTrace();
|
||||
}
|
||||
} catch (FileNotFoundException e) {
|
||||
e.printStackTrace();
|
||||
} catch (IOException e1) {
|
||||
e1.printStackTrace();
|
||||
}
|
||||
return null;
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue