To create a Stack instance and validate the assertions defined, you need to implement the Stack interface. Listing 2 shows Java class StackImpl, which implements the Stack interface.

If you want to take advantage of sorting methods in Java, you'll need to implement the Comparable interface.

This tip shows you how to correctly implement the Observer pattern when participants are EJBs. (1,000 words) ...

There are a variety of other interesting Java command-line interface tools packaged within the bin directory of JDK, and it is in the best interest of every Java developer to investigate them and ...