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Start your free trialAftab Bashir
1,830 PointsHow can I return a private static field in a public method?
Cannot implicitly convert type Treehouse.Models.VideoGame[]' to
Treehouse.Models.VideoGame'
Compilation failed: 1 error(s), 0 warnings
using Treehouse.Models;
namespace Treehouse.Data
{
public class VideoGamesRepository
{
// TODO Add GetVideoGames method
public VideoGame GetVideoGames()
{
return _videoGames;
}
// TODO Add GetVideoGame method
private static VideoGame[] _videoGames = new VideoGame[]
{
new VideoGame()
{
Id = 1,
Title = "Super Mario 64",
Description = "Super Mario 64 is a 1996 platform video game developed and published by Nintendo for the Nintendo 64.",
Characters = new string[]
{
"Mario",
"Princess Peach",
"Bowser",
"Toad",
"Yoshi"
},
Publisher = "Nintendo",
Favorite = true
},
new VideoGame()
{
Id = 2,
Title = "Mario Kart 64",
Description = "Mario Kart 64 is a 1996 go-kart racing game developed and published by Nintendo for the Nintendo 64 video game console.",
Characters = new string[]
{
"Mario",
"Princess Peach",
"Bowser",
"Toad",
"Yoshi"
},
Publisher = "Nintendo",
Favorite = false
}
};
}
}
namespace Treehouse.Models
{
// Don't make any changes to this class!
public class VideoGame
{
public int Id { get; set; }
public string Title { get; set; }
public string Description { get; set; }
public string[] Characters { get; set; }
public string Publisher { get; set; }
public bool Favorite { get; set; }
public string DisplayText
{
get
{
return Title + " (" + Publisher + ")";
}
}
}
}
3 Answers
Severin Haselmann
24,517 Pointsok. You were close at start but here is the code to get the challenge complete:
using Treehouse.Models;
namespace Treehouse.Data
{
public class VideoGamesRepository
{
// TODO Add GetVideoGames method
public VideoGame[] GetVideoGames()
{
return _videoGames;
}
// TODO Add GetVideoGame method
public VideoGame GetVideoGame(int id)
{
VideoGame videoToReturn= null;
foreach (var videoGame in _videoGames)
{
if (videoGame.Id == id)
{
videoToReturn = videoGame;
break;
}
}
return videoToReturn;
}
private static VideoGame[] _videoGames = new VideoGame[]
{
new VideoGame()
{
Id = 1,
Title = "Super Mario 64",
Description = "Super Mario 64 is a 1996 platform video game developed and published by Nintendo for the Nintendo 64.",
Characters = new string[]
{
"Mario",
"Princess Peach",
"Bowser",
"Toad",
"Yoshi"
},
Publisher = "Nintendo",
Favorite = true
},
new VideoGame()
{
Id = 2,
Title = "Mario Kart 64",
Description = "Mario Kart 64 is a 1996 go-kart racing game developed and published by Nintendo for the Nintendo 64 video game console.",
Characters = new string[]
{
"Mario",
"Princess Peach",
"Bowser",
"Toad",
"Yoshi"
},
Publisher = "Nintendo",
Favorite = false
}
};
}
}
Severin Haselmann
24,517 PointsYou forgot the brackets . HINT: Check where _videoGames comes from ; )
Aftab Bashir
1,830 Pointswell adding brackets work but in the next task I'm having another error. The Task 2 is: The GetVideoGame method should accept an id parameter of type int. The GetVideoGame method should return the VideoGame object instance from the _videoGames private static field array of VideoGame objects whose Id property matches the provided id parameter value.
after doing this it says Task 1 is no longer passing :( Am I forgetting something again!
public VideoGame[] GetVideoGame(int id)
{
VideoGame videoGameToReturn = null;
foreach (var videoGame in _videoGames)
{
if (videoGame.Id == id)
{
videoGameToReturn = videoGame;
break;
}
}
return _videoGames;
}
Severin Haselmann
24,517 PointsI basically did the same thing and I posted it here : https://teamtreehouse.com/community/repository-code-challenge-2 Just read Steven Parker's explanation ; )
Notice that there are 2 comments where you should add the methods. They have slightly different names
Aftab Bashir
1,830 Pointsdidn't get it that much .. help me out
public VideoGame[] GetVideoGames()
{
return _videoGames;
}
public VideoGame[] GetVideoGame(int id)
{
return _videoGames;
}
Error: Does VideoGamesRepository.GetVideoGame return VideoGame?
Aftab Bashir
1,830 PointsAftab Bashir
1,830 Pointsyou know what I tried it after asking for your help and I almost had it.. and this time I was just adding VideoGame[] instead of VideoGame. Thanks for your help. :)