A question about container!

[laura_zpf]

In the list below, which subclass(es) of Component cannot be directly instantiated:
a) Panel
b) Dialog
c) Container
d) Frame
The answer is Container. But why the Container can not be instantiated directly?

[Anonymous]

'cos Container is an abstract class.

[laura_zpf]

I have checked the document, but I do not find that the Container is abstract. It is defined as public class Container extends component.

[laura_zpf]

I have checked the document, but I do not find that the Container is abstract. It is defined as public class Container extends component.

[ramani2020]

from Bill Brogden's Java2 Exam Cram,

Container was an abstract class in Java 1.0 and 1.1,but for the Java JDK1.2 it is no longer declared abstract.

HTH,
Ramani.

[Anonymous]

Laura,
All the options you have given can be instantiated.
In fact (d) is also correct. You can try this out:
Container c = new Container();
Ramani has correctly pointed out that Conatiner is no longer an abstract class.
Hope this helps
-sampaths

[laura_zpf]

Thank you! sampaths77! you means this question only correct in the JDK1.0 but not correct for now.