public class ListEdge<E>{
	private E dest;
	private String name;
	private int weight;
	
	public ListEdge(E dest, String name, int weight){
		if(weight<0){
			throw new IllegalArgumentException("negativt");
		}
		this.dest=dest;
		this.name=name;
		this.weight=weight;
	}
	public E getDest(){
		return dest;
	}
	public String getName(){
		return name;
	}
	public int getWeight(){
		return weight;
	}
	public void setDest(E e){
		dest=e;
	}
	public void setName(String e){
		name=e;
	}
	public void setWeight(int e){
		weight=e;
	}
	public String toString(){
		return " by "+name+" to "+dest+"("+weight+")\n";
	}
}