@Override
	public int compareTo( Employee o ) {
		if (this.experience.equals(o.experience))
			return 0;
		if ((this.experience.equals(Experience.LOW) && (o.experience
				.equals(Experience.MEDIUM) || o.experience
				.equals(Experience.HIGH)))
				|| (this.experience.equals(Experience.MEDIUM) && o.experience
						.equals(Experience.HIGH)))
			return 1;
		else
			return -1;
	}