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Kenneth Phillips
Courses Plus Student 10,188 PointsfixedVideoTitle
This is the error:
./QuickFix.java:22: error: incompatible types: Object cannot be converted to Video newMap.put(newTitle, entry.getValue()); ^ Note: Some messages have been simplified; recompile with -Xdiags:verbose to get full output 1 error
So how do I make it go through at this point.
package com.example.model;
import java.util.List;
public class Course {
private String mName;
private List<Video> mVideos;
public Course(String name, List<Video> videos) {
mName = name;
mVideos = videos;
}
public String getName() {
return mName;
}
public List<Video> getVideos() {
return mVideos;
}
}
package com.example.model;
public class Video {
private String mTitle;
public Video(String title) {
mTitle = title;
}
public String getTitle() {
return mTitle;
}
public void setTitle(String title) {
mTitle = title;
}
}
import com.example.model.Course;
import com.example.model.Video;
import java.util.List;
import java.util.HashMap;
import java.util.Map;
public class QuickFix {
public void addForgottenVideo(Course course) {
List<Video> newList = course.getVideos();
// TODO(1): Create a new video called "The Beginning Bits"
Video video = new Video("The Beginning Bits");
// TODO(2): Add the newly created video to the course videos as the second video.
newList.add(1, video);
}
public void fixVideoTitle(Course course, String oldTitle, String newTitle) {
Map<String, Video> newMap = new HashMap<String, Video>(videosByTitle(course));
for (Map.Entry entry : newMap.entrySet()) {
if (entry.getKey() == oldTitle) {
newMap.remove(entry.getKey(), entry.getValue());
newMap.put(newTitle, entry.getValue());
}
}
}
public Map<String, Video> videosByTitle(Course course) {
Map<String, Video> videoMap = new HashMap<String, Video>();
for (Video video : course.getVideos()) {
videoMap.put(video.getTitle(), video);
}
return videoMap;
}
}