implement java function in c#

Question

I have this generi interface and class in written in Java

public abstract class MyRootAbstractClass<W>
{
}

public abstract class MyDerivedAbstractClass<W extends MyRootFatherClass>
{
}

Notice :MyRootFatherClass (in MyDeriveAbstractClass declaration) doesn't asks for generic type (<W>).

Is any one knows How can i convert this code to C#???

Actually, you only have two generic abstract classes...

BoltClock
– BoltClock

2011-08-02 14:54:48 +00:00
Commented Aug 2, 2011 at 14:54 — BoltClock
– BoltClock, Commented Aug 2, 2011 at 14:54

Jon Skeet · Accepted Answer · 2011-08-02 14:52:52Z

5

Looks to me like:

public abstract class MyRootAbstractClass<T>
{
}

public abstract class MyDerivedAbstractClass<T> where T : MyRootFatherClass
{
}

The where T : MyRootFatherClass is a generic type constraint so that you can't create a MyDerivedAbstractClass<T> for arbitrary T types - only MyRootFatherClass and subclasses.

Note that I've renamed W to T in order to follow .NET naming conventions.

answered Aug 2, 2011 at 14:52

Jon Skeet

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Comments

Darin Dimitrov · Accepted Answer · 2011-08-02 14:53:11Z

5

You could use a generic constraint:

public abstract class MyRootAbstractClass<W>
{
}

public abstract class MyDerivedAbstractClass<W> where W : MyRootFatherClass
{
}

answered Aug 2, 2011 at 14:53

Darin Dimitrov

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2 Comments

Liran Over a year ago

It doesn't compile, It demands to insert a generic type when implementing MyRootFatherClass (For example :MyRootFatherClass<M>)

Liran Over a year ago

Example Edit : public abstract class MyDerivedAbstractClass<W> where W : MyRootFatherClass <M> .JAVA doesn't demand to declare on generic type when declaring generic class (MyRootFatherClass) as constraint.

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