added Aktienhandel

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);
+	}
+}