Tool.java

public class Tool implements Product, Comparable<Tool> {
private String name;
private double cost;
	public Tool(String name, double cost){
		this.name = name;
		this.cost = cost;
	}
	
	public String getName(){
		return name;
	}
	
	public double getCost(){
		return cost;
	}
	
    public int compareTo(Tool obj){
    	if(cost > obj.cost){
    		return 1;
    	}
    	else if(cost == obj.cost){
    		return 0;
    	}
    	else return -1;
    }


}