public int show()  {
		int selection = -1;
		
		System.out.println();
		BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));
		
		while(selection == -1) {
			System.out.println(title+":");
			
			for(int i = 0; i < labels.size(); ++i) {
				System.out.println("["+(i+1)+"] "+labels.get(i));
			}
			
			System.out.print("-- ");
			try {
				selection = Integer.parseInt(stdin.readLine());
			} catch (NumberFormatException e) {
				e.printStackTrace();
			} catch (IOException e) {
				e.printStackTrace();
			}
			
			if(selection < 1 || selection > returnValues.size()) {
				System.err.println("Ungültige Eingabe!");
				selection = -1;
			} 
		}
		
		return returnValues.get(selection-1);
	}