Java Java Objects Delivering the MVP Forum

Peter Ayad
Peter Ayad
750 Points

I am Stuck please help.

I am not sure what I am doing wrong, please help.

public class Main {

public static void main(String[] args) { System.out.println("Beginning forum example"); if (args.length < 2) { System.out.println("Usage: java Main <first name> <last name>"); System.err.println("<first name> and <last name> are required"); System.exit(1); }

Forum forum = new Forum("Java");
// TODO: pass in the first name and last name that are in the args parameter
User author = new User(args[0], args[1]);
// TODO: initialize the forum post with the user created above and a title and description of your choice
ForumPost post = new ForumPost(author,"A title","A description");
forum.addPost(post);

} }

Forum.java
public class Forum {
  private String topic;

  // TODO: add a constructor that accepts a topic and sets the private field topic

  public Forum(String topic) {
    this.topic = topic;
  }



  public String getTopic() {
    return topic;
  }


   Uncomment this when you are prompted to do so
  public void addPost(ForumPost post) {
    System.out.printf("A new post in %s topic from %s %s about %s is available",
            topic,
            post.getAuthor().getFirstName(),
            post.getAuthor().getLastName(),
            post.getTitle()
    );
  }


}
User.java
public class User {
  // TODO: add private fields for firstName and lastName

  private String firstName;
  private String lastName;

  public User(String firstName, String lastName) {
    // TODO: set and add the private fields

    this.firstName = firstName;
    this.lastName = lastName;
  }

  // TODO: add getters for firstName and lastName


  public String getFirstName() {
  return firstName;
}

  public String getLastName() {
  return lastName;
  }

}
ForumPost.java
public class ForumPost {
  private User author;
  private String title;
  private String description;

  // TODO: add a constructor that accepts the author, title and description
   public ForumPost(User author, String title, String description) {
  this.author = author;
   this.title = title;
    this.description = description;
  }

  public User getAuthor() {
    return author;
  }

  public String getTitle() {
    return title;
  }

  public String getDescription() {
    return description;
  }
}
Main.java
public class Main {

  public static void main(String[] args) {
    System.out.println("Beginning forum example");
    if (args.length < 2) {
      System.out.println("Usage: java Main <first name> <last name>");
      System.err.println("<first name> and <last name> are required");
      System.exit(1);
    }

    Forum forum = new Forum("Java");
    // TODO: pass in the first name and last name that are in the args parameter
    User author = new User(args[0], args[1]);
    // TODO: initialize the forum post with the user created above and a title and description of your choice
    ForumPost post = new ForumPost(author,"A title","A description");
    forum.addPost(post);


  }

}

1 Answer

Steven Parker
Steven Parker
177,523 Points

You need to remove the entire line in Forum.java where it says "Uncomment this when you are prompted to do so" since the message itself will cause a syntax error.