Interview Questions - Advanced Java

Wrapped classes are classes that allow primitive types to be accessed as objects.

Garbage collection does not guarantee that a program will not run out of memory. It is possible for programs to use up memory resources faster than they are garbage collected. It is also possible for programs to create objects that are not subject to garbage collection.

A package statement must appear as the first line in a source code file (excluding blank lines and comments).

An object's finalize() method cannot be invoked by the garbage collector while the object is still reachable. However, an object's finalize() method may be invoked by other objects.