added own Exceptiom NotEnoughMoneyException

Bank-Beispiel/src/de/hs_mannheim/informatik/bank/domain/NotEnoughMoneyException.java

@@ -0,0 +1,19 @@
+package de.hs_mannheim.informatik.bank.domain;
+
+public class NotEnoughMoneyException extends IllegalArgumentException {
+	public NotEnoughMoneyException() {
+	}
+
+	public NotEnoughMoneyException(String message) {
+		super(message);
+	}
+
+	public NotEnoughMoneyException(Throwable cause) {
+		super(cause);
+	}
+
+	public NotEnoughMoneyException(String message, Throwable cause) {
+		super(message, cause);
+	}
+
+}