Maximizing code reuse in your Java programs means writing code that is easy to read, understand, and maintain. ... CustomerService and other classes are much easier to unit test, ...

The Java input/output (I/O) facilities provide a simple, standardized API for reading and writing character and byte data from various data sources. This article explores the I/O classes ...

I recently published an article on screen scraping with Java, and a few Twitter followers pondered why I used JSoup instead of the popular, browser-less web testing framework HtmlUnit. I didn’t have a ...

Thus, there is no hard and fast rule about Java class size. Use your best judgment to decide how large to make your classes, based on the context in which you work. If you write a short Java program, ...