Generic Lists

[Patrick Lannigan-4]

I wrote a generic class Sample<T> that contains a Vector<T>, however I'm not sure how to tell the framework the object type in the vector. When I had used ElementList on a Vector<Abc> the framework would know that it was looking for Abc. But when I am trying to assign the type I get errors if I try type=T and type=T.class. Is there a way to tell the framework that it will be working with the generic object T?

Patrick

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[niall.gallagher]

Hi,

 

You can blame Java here. Java does not have reified generics, so the type T is erased after compile time. So there is no way to get T for Vector<T>. Maybe in Java 7 they will addres reified generics.

 

Niall

 

Niall Gallagher
RBS Global Banking & Markets
Office: [phone]

 

---

From: Patrick Lannigan [mailto:p.lannigan@...]
Sent: 27 August 2009 20:04
To: simple-support@...
Subject: [Simple-support] Generic Lists

I wrote a generic class Sample<T> that contains a Vector<T>, however I'm not sure how to tell the framework the object type in the vector. When I had used ElementList on a Vector<Abc> the framework would know that it was looking for Abc. But when I am trying to assign the type I get errors if I try type=T and type=T.class. Is there a way to tell the framework that it will be working with the generic object T?

Patrick

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