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Speicher Funktion hinzugefügt. Sämtliche Sachen mit der speicherung 

befinden sich in der Datenbank Klasse. Gespeichert wird die bank Klasse
Marc Ziegler 2022-10-11 14:43:49 +02:00
parent 287496085d
commit 301e12ade5
9 changed files with 110 additions and 38 deletions
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50
Bank-Beispiel/src/New FC.fcp
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@ -921,7 +921,7 @@
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<Text>Daten der aktion</Text>
@ -1256,7 +1256,7 @@
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<Text>Abheben</Text>
@ -1323,7 +1323,7 @@
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<Text>Überweißung/einzug</Text>
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@ -1524,7 +1524,7 @@
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<Text>neue Aktivität festhalten</Text>
@ -1591,7 +1591,7 @@
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<ObjectID>cccf5b43d66b442a99958413ea6095bc</ObjectID>
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<Text>Kontoauszugdrucken</Text>
@ -1658,7 +1658,7 @@
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@ -1725,7 +1725,7 @@
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<Text>keine neuen Einträge</Text>
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<Text>hinzufügen()</Text>
@ -2987,7 +2987,7 @@
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<Text>erstellen eines neuen kontos</Text>
@ -3188,7 +3188,7 @@
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<Text>Ausgeben():String</Text>

2
Bank-Beispiel/src/de/hs_mannheim/informatik/bank/Main.java
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@ -5,7 +5,7 @@ import de.hs_mannheim.informatik.bank.ui.UI;
public class Main {
public static void main(String[] args) {
public static void main(String[] args) throws Exception {
Banksystem bs = new Banksystem("Spaßkasse Mannheim");
UI ui = new UI(bs);
}

3
Bank-Beispiel/src/de/hs_mannheim/informatik/bank/domain/Aktivität.java
View File

@ -1,10 +1,11 @@
package de.hs_mannheim.informatik.bank.domain;
import java.io.Serializable;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.GregorianCalendar;
public class Aktivität {
public class Aktivität implements Serializable{
private String Datum;
private String Ort;
private int Empfänger;

9
Bank-Beispiel/src/de/hs_mannheim/informatik/bank/domain/Bank.java
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@ -2,9 +2,9 @@ package de.hs_mannheim.informatik.bank.domain;
import java.util.Collection;
import java.util.HashMap;
import java.io.Serializable;
public class Bank {
public class Bank implements Serializable{
private String name;
private HashMap<Integer, Konto> konten = new HashMap<>();
@ -22,15 +22,19 @@ public class Bank {
public Collection<Konto> getKontenliste() {
return konten.values();
}
public long getKontostand(int Kontonummer) {
return konten.get(Kontonummer).getStand();
}
public long GeldEinzahlen(int Kontonummer,double Betrag) {
return konten.get(Kontonummer).Einzahlen(Betrag);
}
public long Überweißen(int Kontonummer,double Betrag) {
return konten.get(Kontonummer).neueÜberweisung(Betrag, Kontonummer);
}
public void kontoAuszugerstellen(int Kontonummer) {
konten.get(Kontonummer).kontoAuszugerstellen();
@ -41,6 +45,7 @@ public class Bank {
}
public long abheben(int kontonummer,double Menge) {
return konten.get(kontonummer).abbuchen(Menge);
}
}

51
Bank-Beispiel/src/de/hs_mannheim/informatik/bank/domain/Datenbank.java 100644
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@ -0,0 +1,51 @@
package de.hs_mannheim.informatik.bank.domain;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.ObjectOutputStream;
import java.util.HashMap;
import java.io.IOException;
import java.io.ObjectInputStream;
import de.hs_mannheim.informatik.bank.facade.Banksystem;
public class Datenbank {
File fp=new File("object.ser");
ObjectOutputStream file;
public void Speichern(Bank bank) throws Exception{
file=new ObjectOutputStream(new FileOutputStream(fp));
file.writeObject(bank);
}
public Bank Laden() throws Exception{
if(fp.exists()) {
ObjectInputStream file=new ObjectInputStream(new FileInputStream(fp));
Bank object=(Bank)file.readObject();
return object;
}
return null;
}
// public boolean fileExcists() {
// if(!fl.exists()) {
// try {
// boolean wurdeerstellt=fl.createNewFile();
// if(wurdeerstellt) {
// return true;
// }
// else {
// return false;
// }
// }catch(IOException ex) {
// ex.printStackTrace();
// return false;
// }
//
// }
// return true;
// }
}

6
Bank-Beispiel/src/de/hs_mannheim/informatik/bank/domain/Konto.java
View File

@ -1,6 +1,8 @@
package de.hs_mannheim.informatik.bank.domain;
public class Konto {
import java.io.Serializable;
public class Konto implements Serializable{
private static int kontozähler = 0;
private int nummer;
@ -11,7 +13,7 @@ public class Konto {
public Konto(String inhaber) {
nummer = 1000 + kontozähler++;
this.inhaber = inhaber;
//Kontoauszug KA=new Kontoauszug();
Kontoauszug KA=new Kontoauszug();
}
public int getKontonummer() {

3
Bank-Beispiel/src/de/hs_mannheim/informatik/bank/domain/Kontoauszug.java
View File

@ -1,8 +1,9 @@
package de.hs_mannheim.informatik.bank.domain;
import java.io.Serializable;
import java.util.ArrayList;
public class Kontoauszug {
public class Kontoauszug implements Serializable{
private ArrayList <Aktivität> Historie=new ArrayList();

9
Bank-Beispiel/src/de/hs_mannheim/informatik/bank/facade/Banksystem.java
View File

@ -3,10 +3,12 @@ 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.Datenbank;
import de.hs_mannheim.informatik.bank.domain.Konto;
public class Banksystem {
private Bank bank;
private Datenbank DB=new Datenbank();
public Banksystem(String bankname) {
this.bank = new Bank(bankname);
@ -49,4 +51,11 @@ public class Banksystem {
public void Überweisung(int Empfänger, int Sender,double Menge) {
bank.kontoÜberweisen(Empfänger, Sender, Menge);
}
public void Speichern() throws Exception {
DB.Speichern(bank);
}
public void Laden()throws Exception{
if(DB.Laden()!=null)
this.bank=DB.Laden();
}
}

15
Bank-Beispiel/src/de/hs_mannheim/informatik/bank/ui/UI.java
View File

@ -8,9 +8,11 @@ public class UI {
private Banksystem bs;
Scanner sc = new Scanner(System.in);
public UI(Banksystem bs) {
public UI(Banksystem bs) throws Exception {
this.bs = bs;
Laden();
hauptmenü();
Speichern();
}
private void hauptmenü() {
@ -129,13 +131,14 @@ public class UI {
}
sc.nextLine();
}
public void Laden()throws Exception{
bs.Laden();
}
public void Speichern()throws Exception{
bs.Speichern();
}