Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs. Abstract classes ...

The Java code below shows the details of how to use a ... i); //do something else. } public abstract ComponentC getComponentC(String s, int i) ; } public class ComponentAImpl extends ...

The Desire for Switching on Strings There is no question that some fellow Java developers are excited about the ability to switch on Strings. Two recent Java.net polls demonstrated this interest ...