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Start your free trialJohn Paige
7,436 PointsKaraokeMachine.java - mix of errors
I started off with 12 errors and fixed some of them. It seems that they're all connected to the promptNewSong method.
package com.teamtreehouse;
import com.teamtreehouse.model.Song;
import com.teamtreehouse.model.SongBook;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.Map;
public class KaraokeMachine {
private SongBook mSongBook;
private BufferedReader mReader;
private Map<String, String> mMenu;
public KaraokeMachine(SongBook songBook) {
mSongBook = songBook;
mReader = new BufferedReader(new InputStreamReader(System.in));
mMenu = new HashMap<String, String>();
mMenu.put("add", "Add a new song to the song book");
mMenu.put("quit", "Give up. Exit the program");
}
private String promptAction() throws IOException {
System.out.printf("there are %d songs available. Your options are: %n",
mSongBook.getSongCount());
for (Map.Entry<String, String> option : mMenu.entrySet()) {
System.out.printf("%s - %s %n",
option.getKey(),
option.getValue());
}
System.out.print("What do you want to do: ");
String choice = mReader.readLine();
return choice.trim().toLowerCase();
}
public void run() {
String choice = "";
do {
try {
choice = promptAction();
switch(choice) {
case "add":
Song song = promptNewSong();
mSongBook.addSong(song);
System.out.printf("%s added! %n%n", song);
break;
case "quit":
System.out.println("Thanks for playing");
break;
default:
System.out.printf("Unknown choice: '%s'. Try again. %n%n%n",
choice);
}
} catch(IOException ioe) {
System.out.println("Problem with input");
ioe.printStackTrace();
}
} while(!choice.equals("quit")); {
}
private Song promptNewSong() throws IOException {
System.out.print("Enter artist's name: ");
String artist = mReader.readLine();
System.out.print("enter the title: ");
String title = mReader.readLine();
System.out.print("Enter the video URL: ");
String videoUrl = mReader.readLine();
return new Song(artist, title, videoUrl);
}
}
}
Picked up JAVA_TOOL_OPTIONS: -Xmx128m
Picked up _JAVA_OPTIONS: -Xmx128m
./com/teamtreehouse/KaraokeMachine.java:65: error: ';' expected
Picked up JAVA_TOOL_OPTIONS: -Xmx128m
Picked up _JAVA_OPTIONS: -Xmx128m
./com/teamtreehouse/KaraokeMachine.java:69: error: illegal start of expression
private Song promptNewSong() throws IOException {
^
./com/teamtreehouse/KaraokeMachine.java:69: error: ';' expected
private Song promptNewSong() throws IOException {
^
./com/teamtreehouse/KaraokeMachine.java:69: error: not a statement
private Song promptNewSong() throws IOException {
^
./com/teamtreehouse/KaraokeMachine.java:69: error: ';' expected
private Song promptNewSong() throws IOException {
^
./com/teamtreehouse/KaraokeMachine.java:50: error: cannot find symbol
Song song = promptNewSong();
^
symbol: method promptNewSong()
location: class KaraokeMachine
./com/teamtreehouse/KaraokeMachine.java:76: error: incompatible types: unexpected return value
return new Song(artist, title, videoUrl);
^
6 errors
1 Answer
John Paige
7,436 PointsFixed it! It was a Scope issue. I had somehow wrote the promptNewSong method within the run
block.