import java.util.*;

public class ResumedUserRepository extends Vector {
  private static ResumedUserRepository instance = new ResumedUserRepository();
  public static ResumedUserRepository getInstance(){
    return instance;
  }
  private ResumedUserRepository() {
//Create a hash map that cannot store duplicates  
    super();
  }

  public void destroy(){
    instance = null;
  }
}