diff options
Diffstat (limited to 'csharp.html.markdown')
| -rw-r--r-- | csharp.html.markdown | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/csharp.html.markdown b/csharp.html.markdown index c254b5a9..0cef8f05 100644 --- a/csharp.html.markdown +++ b/csharp.html.markdown @@ -144,6 +144,10 @@ namespace Learning int? nullable = null; Console.WriteLine("Nullable variable: " + nullable); + // In order to use nullable's value, you have to use Value property or to explicitly cast it + string? nullableString = "not null"; + Console.WriteLine("Nullable value is: " + nullableString.Value + " or: " + (string) nullableString ); + // ?? is syntactic sugar for specifying default value // in case variable is null int notNullable = nullable ?? 0; @@ -418,10 +422,10 @@ namespace Learning public Bicycle(int startCadence, int startSpeed, int startGear, string name, bool hasCardsInSpokes) { - this.gear = startGear; + this.gear = startGear; // "this" keyword denotes the current object this.cadence = startCadence; this._speed = startSpeed; - this.name = name; + this.name = name; // it can be useful when there's a name conflict this.hasCardsInSpokes = hasCardsInSpokes; } @@ -470,19 +474,19 @@ namespace Learning // when only data needs to be accessed, consider using properties. // properties may have either get or set, or both private bool _hasTassles; // private variable - public bool hasTassles // public accessor + public bool HasTassles // public accessor { get { return _hasTassles; } set { _hasTassles = value; } } - private int _frameSize; + // Properties can be auto-implemented public int FrameSize { - get { return _frameSize; } + get; // you are able to specify access modifiers for either get or set // this means only Bicycle class can call set on Framesize - private set { _frameSize = value; } + private set; } //Method to display the attribute values of this Object. |