Though type is an extremely important object-oriented concept, it is often overlooked in favor of implementation-centric concerns. Java program development is as much about design as about ...

In this post, we will learn how to call a method in Java. This is a useful “chunk” of code that you can call from anywhere else in your program, thus preventing you from needing to write out the same ...

Suppose you have an object Foo which contains a reference to an interface Bar which is implemented by BarA, BarB and BarC. These objects model some feature of your problem domain.<BR><BR>How do you ...

Remote Method Invocation (RMI) is an application programming interface (API) in the Java programming language and development environment. It allows objects on one computer or Java Virtual Machine ...

Naming conventions are important if you're a Java developer. Naming conventions not only make your Java code easier to read, they make your code self-documenting as well. Fellow developers can tell in ...

I've tried method call "read2ArrayData" as is and other ways but it keeps griping at me with "required value, found class" and I have no idea what it's telling me, other than "ABORT, RETRY, ...