Okay its official I need help. I literally tried everything please someone help!!!

Hi, show us what you have tried, paste some code here so everyone can see and help out. It's pretty straightforward but you need to read the assignment a couple of times good luck!

ok, getAllAuthors() method is a start, but not quite there yet.

public SortedSet getAllAuthors() {
    SortedSet myPost = new TreeSet(getPosts());
    return myPost; }

Challenge asks for:

'Create a method in the Blog class called getAllAuthors that loops over all the posts and returns a java.util.Set of all the authors, which are stored as Strings. They should be sorted alphabetically.'

So, first off, your method should return a Set (of Strings), so declared like

public Set<String> getAllAuthors()

By reading through the assignment, you see that output should be sorted, so your line:

SortedSet myPost = new TreeSet(getPosts());

should be a Set instead of SortedSet, and it should be empty, no need to call 'getPosts()'. Reason for that is that you don't want posts in the set, you need authors of those posts. Also, getPosts returns list of type BlogPost, not String.

Set <String> postSet = new TreeSet<>();

As a last step, you'll need to loop through BlogPost elements of mPosts and 'add' each element's author to this new postSet. Try it and post your progress here

good luck!

Hello Dickey,

This is my current progress:

package com.example;

import java.util.List; import java.util.Set; import java.util.TreeSet;

public class Blog { List<BlogPost> mPosts;

public Blog(List<BlogPost> posts) { mPosts = posts; }

public List<BlogPost> getPosts() { return mPosts; } }

public Set<String> getAllTheAuthors() { Set<String> myAuthors = new TreeSet<>(); for(String postInAuthors : mPost) { myAuthors.addAll(postInAuthors); } return myAuthors; }