import java.io.*;

public class GenericLinkListTester{

	public static void main(String args[])
	{
		GenericLinkList<String> L = new GenericLinkList<String>();

		L.insertFirst("abc");
		L.insertFirst("efg");
		L.insertFirst("ijk");
		L.insertFirst("lmno");

		L.displayList();

		String s = "efg";

		System.out.println("Is efg in the list?");
		GenericLink<String> LL = L.find(s);
		if(LL != null)
			System.out.println("yes");
		else
			System.out.println("no");

		s = "abcd";
		System.out.println("Is abcd in list?");
		LL = L.find(s);
		if(LL != null)
			System.out.println("yes");
		else
			System.out.println("no");

		L.delete("efg");
		System.out.println("Is efg in the list?");
		LL = L.find("efg");
		if(LL != null)
			System.out.println("yes");
		else
			System.out.println("no");

		L.displayList();


	}

}