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Start your free trialLouis Nathan
2,598 Pointscategory
Says i have a missing bracket someone please help
package com.example;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
public class BlogPost implements Comparable<BlogPost>, Serializable {
private String mAuthor;
private String mTitle;
private String mBody;
private String mCategory;
private Date mCreationDate;
public BlogPost(String author, String title, String body, String category, Date creationDate) {
mAuthor = author;
mTitle = title;
mBody = body;
mCategory = category;
mCreationDate = creationDate;
}
public int compareTo(BlogPost other) {
if (equals(other)) {
return 0;
}
return mCreationDate.compareTo(other.mCreationDate);
}
public String[] getWords() {
return mBody.split("\\s+");
}
public List<String> getExternalLinks() {
List<String> links = new ArrayList<String>();
for (String word : getWords()) {
if (word.startsWith("http")) {
links.add(word);
}
}
return links;
}
public String getAuthor() {
return mAuthor;
}
public String getTitle() {
return mTitle;
}
public String getBody() {
return mBody;
}
public String getCategory() {
return mCategory;
}
public Date getCreationDate() {
return mCreationDate;
}
}
package com.example;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
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> getAllAuthors() {
Set<String> authors = new TreeSet<>();
for (BlogPost post: mPosts) {
authors.add(post.getAuthor());
}
return authors;
}
public Map<String, Integer> getCategoryCounts(String category) {
Map<String, Integer> result = new HashMap<String, Integer>();
Integer count = 0;
for (BlogPost post : getPosts()) {
if (post.getCategory() == category)
count++;
}
result.put(category,count);
return result;
}
}
}
1 Answer
Rares Conea
Courses Plus Student 15,000 PointsHi Louis,
The bracket at the end of your code must be deleted but this is not the only problem in your code. The challenge wants you to count for all the categories in mPost, not for one given as a parameter to your method.
![alt text]https://i.imgur.com/HV2UCJE.png "Blog.java")
Louis Nathan
2,598 PointsLouis Nathan
2,598 PointsThankyou!