public void keyPressed(KeyEvent e){
			if (e.getKeyChar() >= '0' && e.getKeyChar() <= '9'){
				if (answerLabel.getText() != ""){
					answerLabel.setText(answerLabel.getText() + String.valueOf(e.getKeyChar()));
				}
				else{
					answerLabel.setText(String.valueOf(e.getKeyChar()));
				}
				if(Integer.valueOf(answerLabel.getText()) == challenger.Answer()){
					answerLabel.setText("");
					challenger = null;
					challenger = new Challenger(0, 10, Operator.Addition, Type.Integer);
					questionLabel.setText(challenger.Question());
				}
			}
			else{
				if (e.getKeyCode() == 27){
					answerLabel.setText("");
				}
			}
		}