Aktienhandel/Aktie.java

@@ -0,0 +1,37 @@
+public class Aktie{
+	private String name;
+	private int count;
+	private double value;
+	public Aktie(String name, int count, double value) {
+		this.name = name;
+		this.count = count;
+		this.value = value;
+	}
+	public double getAktienWert() {
+		return count * value;
+	}
+	public void anzahlErhoehen(int amt) {
+		this.count += amt;
+	}
+	public void anzahlVerringern(int amt) {
+		this.count -= (this.count < amt) ? 0 : amt;
+	}
+	public String getName() {
+		return this.name;
+	}
+	public int getCount() {
+		return this.count;
+	}
+	public double getValue() {
+		return this.value;
+	}
+	public void setName(String name) {
+		this.name = name;
+	}
+	public void setCount(int count) {
+		this.count = count;
+	}
+	public void setValue(int value) {
+		this.value = value;
+	}
+}

Aktienhandel/Broker.java

@@ -0,0 +1,16 @@
+public class Broker extends Person {
+	protected double provision;
+	protected int clientCount;
+	public Broker(String name, int age, double money, double provision, int clientCount) {
+		super(name, age, money);
+		this.provision = provision;
+		this.clientCount = clientCount;
+	}
+	public void tradeAbwickeln(Trader trader, String aktieName, double price, int amt) {
+		trader.aktieKaufen(aktieName, price, amt);
+		this.money += this.provision;
+	}
+	public void kundenAnzeigen() {
+		System.out.println("Kunden: " + this.clientCount);
+	}
+}

Aktienhandel/DayTrader.java

@@ -0,0 +1,15 @@
+public class DayTrader extends Trader {
+	protected int tradesPerDay;
+	protected boolean hebelTrade;
+	public DayTrader(String name, int age, double money, int tradesPerDay, boolean hebelTrade) {
+		super(name, age, money);
+		this.tradesPerDay = tradesPerDay;
+		this.hebelTrade = hebelTrade;
+	}
+	public void schnellerTrade(double profit) {
+		this.money += profit;
+	}
+	public void risikoEingrenzen() {
+		//do stuff I guess
+	}
+}

Aktienhandel/LangfristInvestor.java

@@ -0,0 +1,15 @@
+public class LangfristInvestor extends Trader {
+	protected double dividends;
+	protected double investDuration;
+	public LangfristInvestor(String name, int age, double money, double dividends) {
+		super(name, age, money);
+		this.dividends = dividends;
+	}
+	public void dividendeErhalten(double amt) {
+		this.dividends += amt;
+		this.money += amt;
+	}
+	public void portfolioUmschichten() {
+		//stuff
+	}
+}

Aktienhandel/Main.java

@@ -0,0 +1,29 @@
+public class Main {
+   public static void main(String[] args) {
+       // Erstellen eines LangfristInvestors
+       LangfristInvestor investor = new LangfristInvestor("Lisa", 45, 20000, 10);
+       investor.aktieKaufen("Apple", 150, 10);
+       investor.dividendeErhalten(500);
+       investor.portfolioUmschichten();
+       investor.anzeigen();
+
+       // Erstellen eines Brokers
+       Broker broker = new Broker("Paul", 50, 50000, 100, 5);
+       broker.tradeAbwickeln(investor, "Apple", 150, 5);
+       broker.kundenAnzeigen();
+
+       // Erstellen eines OnlineBrokers
+       OnlineBroker onlineBroker = new OnlineBroker("OnlineTrade", 35, 100000, 50, 1000, 10, "TradeZone");
+       onlineBroker.gebuehrErheben(investor);
+       onlineBroker.neueKundenAkquirieren(50);
+
+       // Erstellen eines DayTraders
+       DayTrader dayTrader = new DayTrader("Tom", 30, 30000, 5, true);
+       dayTrader.aktieKaufen("Tesla", 700, 3);
+       dayTrader.schnellerTrade(300); // Profit von 300 EUR durch schnellen Trade
+       dayTrader.aktieVerkaufen("Tesla", 720, 2); // Verkauf von 2 Tesla-Aktien
+       dayTrader.anzeigen();
+   }
+}
+
+

Aktienhandel/OnlineBroker.java

@@ -0,0 +1,16 @@
+public class OnlineBroker extends Broker {
+	protected double platformFee;
+	protected String platformName;
+	public OnlineBroker(String name, int age, double money, double provision, int clientCount, double platformFee, String platformName) {
+		super(name, age, money, provision, clientCount);
+		this.platformFee = platformFee;
+		this.platformName = platformName;
+	}
+	public void gebuehrErheben(Trader trader) {
+		trader.geldAuszahlen(this.platformFee);
+		this.money += this.platformFee;
+	}
+	public void neueKundenAkquirieren(int amt) {
+		this.clientCount += amt;
+	}
+}

Aktienhandel/Person.java

@@ -0,0 +1,19 @@
+public class Person {
+	protected String name;
+	protected int age;
+	protected double money;
+	public Person(String name, int age, double money) {
+		this.name = name;
+		this.age = age;
+		this.money = money;
+	}
+	public void geldEinzahlen(double amt) {
+		this.money += amt;
+	}
+	public void geldAuszahlen(double amt) {
+		this.money -= (this.money < amt) ? 0 : amt;
+	}
+	public void show() {
+		System.out.println("Name: " + name + ", Age: " + age + ", Money: " + money);
+	}
+}

Aktienhandel/Trader.java

@@ -0,0 +1,37 @@
+import java.util.ArrayList;
+
+public class Trader extends Person {
+	protected ArrayList<Aktie> aktien;
+	public Trader(String name, int age, double money) {
+		super(name, age, money);
+		this.aktien = new ArrayList<Aktie>();
+	}
+	public void aktieKaufen(String name, double price, int amt)  {
+		Aktie aktie = new Aktie(name, amt, price);
+		this.aktien.add(aktie);
+		this.geldAuszahlen(aktie.getAktienWert());
+	}
+	public void aktieVerkaufen(String name, double price, int amt) {
+		for (Aktie aktie : this.aktien) {
+			if (aktie.getName() == name) {
+				this.geldEinzahlen(price * amt);
+				aktie.anzahlVerringern(amt);
+				break;
+			}
+		}
+	}
+	public double getPortfolioWert() {
+		double out = 0;
+		for (Aktie aktie : this.aktien) {
+			out += aktie.getAktienWert();
+		}
+		return out;
+	}
+	public void anzeigen() {
+		String out = "";
+		for (Aktie aktie : aktien) {
+			out += "\nAktie: " + aktie.getName() + ", Count: " + aktie.getCount() + ", Value: " + aktie.getValue();
+		}
+		System.out.println("Name: " + name + ", Age: " + age + ", Money: " + money + out + "\nGesamtwert: " + this.getPortfolioWert());
+	}
+}

Technikladen/OrderSystem.java

@@ -3,9 +3,9 @@ import java.util.ArrayList;
 public class OrderSystem {
 	private StorageManager systemManager;
 	private ArrayList<Client> systemClients;
-	public OrderSystem(StorageManager manager, ArrayList<Client> clients) {
+	public OrderSystem(StorageManager manager) {
 		this.systemManager = manager;
-		this.systemClients = clients;
+		this.systemClients = new ArrayList<Client>();
 	}
 	public void addProduct(Product product) {
 		this.systemManager.addProduct(product);
@@ -52,4 +52,4 @@ public class OrderSystem {
 			System.out.println("ID: " + product.getID() + ", Name: " + product.getName() + ", Price: " + product.getPrice() + ", Amount: " + product.getAmount());
 		}
 	}
-}
+}

Technikladen/StorageManager.java

@@ -2,8 +2,8 @@ import java.util.ArrayList;
 
 public class StorageManager {
 	private ArrayList<Product> storageProducts;
-	public StorageManager(ArrayList<Product> products) {
-		this.storageProducts = products;
+	public StorageManager() {
+		this.storageProducts = new ArrayList<Product>();
 	}
 	public void addProduct(Product product) {
 		this.storageProducts.add(product);

Technikladen/TechStore.java

@@ -6,8 +6,8 @@ public class TechStore {
 		System.out.print(input);
 	}
 	public static void main(String[] args) {
-		StorageManager manager = new StorageManager(new ArrayList<Product>());
-		OrderSystem system = new OrderSystem(manager, new ArrayList<Client>());
+		StorageManager manager = new StorageManager();
+		OrderSystem system = new OrderSystem(manager);
 		Scanner scnr = new Scanner(System.in);
 		while (true) {
 			p("\nInput mode: ");