public void setCrossoverOp(String selectedCrossoverOp) {
		try {
			Class crossoverClass = Class.forName(selectedCrossoverOp);
			crossoverOp = (Crossover) crossoverClass.newInstance();
		} catch (ClassNotFoundException e) {
			e.printStackTrace();
		} catch (InstantiationException e) {
			e.printStackTrace();
		} catch (IllegalAccessException e) {
			e.printStackTrace();
		}
	}