Remington

package theHardWay;

public class Trait {

	public static final String[] traits = {
			"striped", "long-tailed","furry", "brown","short-eared",
			"spotted","short-tailed","hairless","white","long-eared"};

	private String description;
	private int index;

	public Trait() {
		index = (int)(Math.random()*traits.length);
		description = traits[index];
	}

	public static void main(String[] args) {
		Trait longTailed = new Trait(1);
		Trait shortTailed = new Trait(6);
		System.out.println(longTailed+" and "+ shortTailed+
				" are the same trait: "+longTailed.equals(shortTailed));
	}

	public Trait(int index) {
		this.index = index;
		description = traits[index];
	}

	public String toString() {
		return description;
	}

	private int getIndex() {
		return index;
	}

	public boolean equals(Object o) {
		return (o instanceof Trait) && (this.getIndex() - ((Trait)o).getIndex()) % (traits.length/2)==0;
	}

	public static Trait getDominantTrait(Trait t1, Trait t2) {
		if(t1.equals(t2) && t1.getIndex() < t2.getIndex()) return t1;
		else if(t1.equals(t2) && t2.getIndex() < t1.getIndex()) return t2;
		else if(Math.random() < .5) return t1;
		return t2;
	}
}