Konten nach Stand sortierbar

main
student 2022-11-29 13:57:10 +01:00
parent 30ed711172
commit f629d1e365
3 changed files with 23 additions and 9 deletions

View File

@ -3,6 +3,7 @@ package de.hs_mannheim.informatik.bank.domain;
import java.io.Serializable;
import java.util.Collection;
import java.util.HashMap;
import java.util.TreeMap;
public class Bank implements Serializable {
private String name;

View File

@ -2,8 +2,9 @@ package de.hs_mannheim.informatik.bank.domain;
import java.io.Serializable;
import java.util.ArrayList;
import java.lang.Comparable;
public class Konto implements Serializable {
public class Konto implements Serializable, Comparable {
private int nummer;
protected long stand = 0;
private String inhaber;
@ -15,7 +16,7 @@ public class Konto implements Serializable {
this.inhaber = inhaber;
this.kontobewegungen = new ArrayList<>();
}//
}
public int getKontonummer() {
return nummer;
@ -23,7 +24,7 @@ public class Konto implements Serializable {
@Override
public String toString() {
return "Konto [nummer=" + nummer + ", inhaber=" + inhaber + "]";
return "Konto [nummer=" + nummer + ", inhaber=" + inhaber + ", stand=" + stand + "]";
}
public String getInhaber() {
@ -73,4 +74,10 @@ public class Konto implements Serializable {
return saldo;
}
@Override
public int compareTo(Object other) {
Konto kOther = (Konto) other;
return (int) (this.stand - kOther.stand); //etwas negatives, positives oder 0
}
}

View File

@ -1,6 +1,8 @@
package de.hs_mannheim.informatik.bank.facade;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import de.hs_mannheim.informatik.bank.domain.Bank;
import de.hs_mannheim.informatik.bank.domain.Girokonto;
@ -21,10 +23,6 @@ public class Banksystem {
public int kontoAnlegen(String name, int auswahl, int kundennummer) throws Exception {
int kontonummer = bank.addKonto(name, auswahl, kundennummer);
//Wenn neuerKunde true, fuege Konto zum neuen Kunden hinzu
Persistenz.speichereBankDaten(this.bank, bank.getName());
return kontonummer;
@ -32,10 +30,18 @@ public class Banksystem {
public String[] getKontenliste() {
Collection<Konto> konten = bank.getKontenliste();
ArrayList<Konto> al = new ArrayList<>();
for(Konto k : konten) {
al.add(k);
}
Collections.sort(al);
String[] liste = new String[konten.size()];
int i = 0;
for (Konto k : konten) {
for (Konto k : al) {
liste[i++] = k.toString();
}