summaryrefslogtreecommitdiffhomepage
diff options
context:
space:
mode:
-rw-r--r--csharp.html.markdown16
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.