package eco.game;

public class AggressionScore {

	public int aggressionScore;

	@SuppressWarnings("unused")
	private static int min = 0;
	@SuppressWarnings("unused")
	private static int max = 100;

	public AggressionScore(){

		aggressionScore = 0;

	}

	public int calculateAggressionScore(int wPop) {

		aggressionScore = wPop;
		return aggressionScore;

	}

}

package eco.game;

public class AggressionScore {

	public int aggressionScore;

	@SuppressWarnings("unused")
	private static int min = 0;
	@SuppressWarnings("unused")
	private static int max = 100;

	public AggressionScore(){

		aggressionScore = 0;

	}

	public int calculateAggressionScore(int wPop) {

		aggressionScore = wPop;
		if (aggressionScore < 0) {
			aggressionScore = 0;
		}
		return aggressionScore;

	}

}

Update AggressionScore.java