java - Could not find or load main class cool

I got a java program that's used to parse a url, so i used jsoup to import the libs and i use classpath to point it
but i can't run a java program here, i compiled it, the class file is formed but it says " Could not find or load main class cool "

My program is given below
PGM NAME IS : cool.java

I compiled it using this command : javac -cp jsoup-1.8.3.jar cool.java
It compiles fine
But
when i tried to run this with the below command

"java -cp jsoup-1.8.3.jar cool"
it says the error "Could not find or load main class cool"

My program is given below

package com.mkyong;
import java.io.IOException;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;
 public class cool {
public static void main(String[] args) {
Document doc;
try {
    // need http protocol
    doc = Jsoup.connect("http://google.com").get();
    // get page title
    String title = doc.title();
    System.out.println("title : " + title);
    // get all links
    Elements links = doc.select("a[href]");
    for (Element link : links) {
        // get the value from href attribute
        System.out.println("\nlink : " + link.attr("href"));
        System.out.println("text : " + link.text());
    }
} catch (IOException e) {
    e.printStackTrace();
 }
 } }

I'm using ubuntu