Beispiele aus der Vorlesung zum weiterarbeiten
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# Default ignored files
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/shelf/
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/workspace.xml
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# Editor-based HTTP Client requests
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/httpRequests/
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# Datasource local storage ignored files
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/dataSources/
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/dataSources.local.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<module type="JAVA_MODULE" version="4">
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<component name="NewModuleRootManager" inherit-compiler-output="true">
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<exclude-output />
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<content url="file://$MODULE_DIR$" />
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<orderEntry type="inheritedJdk" />
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<orderEntry type="sourceFolder" forTests="false" />
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</component>
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</module>
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="MaterialThemeProjectNewConfig">
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<option name="metadata">
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<MTProjectMetadataState>
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<option name="migrated" value="true" />
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<option name="pristineConfig" value="false" />
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<option name="userId" value="5a5d4bcc:19b08ae5b2a:-7ffd" />
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</MTProjectMetadataState>
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</option>
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</component>
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</project>
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="ProjectRootManager" version="2" languageLevel="JDK_25" default="true" project-jdk-name="25" project-jdk-type="JavaSDK">
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<output url="file://$PROJECT_DIR$/out" />
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</component>
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</project>
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="ProjectModuleManager">
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<modules>
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<module fileurl="file://$PROJECT_DIR$/.idea/PR1.Online-Shop.iml" filepath="$PROJECT_DIR$/.idea/PR1.Online-Shop.iml" />
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<module fileurl="file://$PROJECT_DIR$/Resource/Resource.iml" filepath="$PROJECT_DIR$/Resource/Resource.iml" />
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<module fileurl="file://$PROJECT_DIR$/Shop/Shop.iml" filepath="$PROJECT_DIR$/Shop/Shop.iml" />
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</modules>
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</component>
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</project>
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="VcsDirectoryMappings">
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<mapping directory="" vcs="Git" />
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</component>
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</project>
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<?xml version="1.0" encoding="UTF-8"?>
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<module type="JAVA_MODULE" version="4">
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<component name="NewModuleRootManager" inherit-compiler-output="true">
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<exclude-output />
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<content url="file://$MODULE_DIR$">
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<sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
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</content>
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<orderEntry type="inheritedJdk" />
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<orderEntry type="sourceFolder" forTests="false" />
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</component>
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</module>
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ProdId,Name,TransportGewicht,Netto,MwStSatz,Lagerbestand
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1,Riesling 0.7 l,1.2,4.20,19,87
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2,Pfälzer Saumagen 250 g,0.28,2.52,7,23
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3,Gewürznelken 100 St.,0.01,2.52,7,3
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4,Kokosmilch 250 ml,0.275,1.67,7,12
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5,Bratwurst grob 250 g,0.258,2.09,7,17
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6,Traubensaft 1.0 l,1.5,2.93,19,1
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7,Gieskanne,0.2,3.80,19,13
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package pack;
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import java.util.ArrayList;
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public class OnlineShop {
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private ArrayList<Produkt> lager;
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public OnlineShop() {
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lager = new ArrayList<Produkt>();
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// TODO: Hier sollte die Produktliste geladen werden, vgl. Sudoku
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lager.add(new Produkt("Wein", 4.99));
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}
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public String[] produktListe() {
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String[] produkt = new String[lager.size()];
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for (int i = 0; i < lager.size(); i++)
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produkt[i] = lager.get(i).toString();
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return produkt;
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}
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}
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package pack;
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public class Produkt {
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String name;
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double preis;
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public Produkt(String name, double preis) {
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this.name = name;
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this.preis = preis;
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}
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public String toString() {
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return this.name + " " + this.preis + " Euro.";
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}
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public boolean equals(Object o) {
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if (!(o instanceof Produkt))
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return false;
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if (!this.name.equals(((Produkt)o).name)
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|| this.preis != ((Produkt)o).preis)
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return false;
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return true;
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}
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}
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package pack;
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import java.util.ArrayList;
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public class Warenkorb {
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private ArrayList<Produkt> inhalt;
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public Warenkorb() {
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inhalt = new ArrayList<Produkt>();
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}
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public void produktHinzufügen(Produkt p) {
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inhalt.add(p);
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}
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public double berechneGesamtpreis() {
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double preis = 0;
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for (Produkt p : inhalt)
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preis+= p.preis;
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return preis;
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}
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}
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package pack;
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public class ShopTUI {
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private static OnlineShop shop;
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public static void main(String[] args) {
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System.out.println("Willkommen beim THMA SuperStore!");
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shop = new OnlineShop();
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// TODO: Hauptmenü aufrufen, am besten in einer Schleife
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produktangebot(); // nur als Beispiel, bitte hier entfernen
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System.out.println("Auf Wiedersehen!");
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}
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public static void hauptmenü() {
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// TODO: hier ein erstes Menü mit bspw.
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// Produktangebot
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// Produktsuche
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// Warenkorbanzeige
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// evtl. Bestellung (kann auch über Warenkorb realisiert werden)
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// Exit
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}
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public static void produktangebot() {
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System.out.println("Unser Produktangebot:");
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System.out.println();
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String[] produkte = shop.produktListe();
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for (int i = 0; i < produkte.length; i++)
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System.out.println((i+1) + ". " + produkte[i]);
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}
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}
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package pack;
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import static org.junit.jupiter.api.Assertions.*;
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class OnlineShopTest {
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}
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package pack;
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import org.junit.jupiter.api.Test;
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import static org.junit.jupiter.api.Assertions.*;
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class ProduktTest {
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@Test
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void testGesamtPreis() {
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Produkt p1 = new Produkt("Wein", 4.99);
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Produkt p2 = new Produkt("Wasser", 0.7);
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Warenkorb wk = new Warenkorb();
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wk.produktHinzufügen(p1);
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wk.produktHinzufügen(p2);
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assertEquals(5.69, wk.berechneGesamtpreis(), 0.001);
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}
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}
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package pack;
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import org.junit.jupiter.api.Test;
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import static org.junit.jupiter.api.Assertions.*;
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class WarenkorbTest {
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@Test
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void testGesamtPreis() {
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Produkt p1 = new Produkt("Wein", 4.99);
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Produkt p2 = new Produkt("Wasser", 0.7);
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Warenkorb wk = new Warenkorb();
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wk.produktHinzufügen(p1);
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wk.produktHinzufügen(p2);
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assertEquals(5.69, wk.berechneGesamtpreis(), 0.001);
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}
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}
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