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Start your free trialChristopher Sullivan
4,230 PointsA little stuck on this last part of the objects on Java
I am getting the following error message
./Main.java:19: error: cannot find symbol forum.addPost(post); ^ symbol: method addPost(ForumPost) location: variable forum of type Forum Note: JavaTester.java uses unchecked or unsafe operations. Note: Recompile with -Xlint:unchecked for details. 1 error
public class Forum {
private String topic;
public Forum(String topic){
this.topic = topic; // <--- same here :)
}
public String getTopic() {
return topic;
}
}
public class User {
private String firstName;
private String lastName;
public User(String firstName, String lastName) {
this.firstName = firstName; // <--- your code will be different here
this.lastName = lastName; //<---- and here
}
public String getFirstName(){
return firstName;
}
public String getLastName(){
return lastName;
}
}
public class ForumPost {
private User author;
private String title;
private String description;
public ForumPost(User author, String title, String description){
this.author = author; //<--- your code will be different here
this.title = title; // <---- and here
this.description = description; //<---- aaand here
}
public User getAuthor() {
return author;
}
public String getTitle() {
return title;
}
public String getDescription() {
return description;
}
}
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
String firstName = args[0];
String lastName = args[1];
User author = new User(firstName, lastName); //<----- all cruicial points marked with comments
// TODO: initialize the forum post with the user created above and a title and description of your choice
ForumPost post = new ForumPost(author, "I just want to finish", "Chris");
forum.addPost(post);
}
}