JavaChampionTest.java

import java.util.*;

public class JavaChampionTest {
  public static void main(String... args) {
    Map<JavaChampion, String> urls = new HashMap<>();
    urls.put(new JavaChampion("Jack"), "fasterj.com");
    urls.put(new JavaChampion("Kirk"), "kodewerk.com");
    urls.put(new JavaChampion("Heinz"), "javaspecialists.eu");

    urls.forEach((p,u) -> System.out.println(u)); // Java 8

    System.out.println("URL for Kirk: " +
      urls.get(new JavaChampion("Kirk")));
  }
}