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JavaWorld.com > Java Standard Edition >

Submitted by bonzo101 on Tue, 09/20/2011 - 08:07.

Tags:

Hello. I have a question on java type safety.

I have a method that accepts a class literal and (for sake of argument) returns an instance of any class (in fact there is slightly more to it).

Example:

Circle c = (Circle)this.returnInstance(Circle.class);
//removed exception handling

private Object returnInstance(Class c) throws Exception {
return c.newInstance();
}

My question is - is there any way to avoid performing the CAST (here, on the Circle instance) in the calling code?

Many thanks,
B