Mock objects can offer several benefits for testing Java web services, such as reducing the test execution time and cost, improving the test reliability and stability, enhancing the test coverage ...

Using generics results in more robust code and avoids ClassCastExceptions in your Java programs. This in-depth tutorial introduces you to generics and their types and methods.

Object Oriented Programming changed the way we build programs. It enabled us to create rich objects encapsulating both scope (fields) and logic (methods).While most of the modern programming languages ...

Copying objects is a common Java programming operation that has one serious trap. Here's how to avoid copying from an object reference and only copy the instance and values you want.

CSV Files and Basic Statistics in Java Module 1. Use the open-source Apache Commons CSV package in your own Java programs; 2. Access data from one or many CSV files using Java; 3. Convert strings into ...

The first step to optimize Java memory and performance is to monitor how much memory your application is using and how it is allocated. You can use various tools and commands to measure and ...

Quite often a Java Stream or other component needs an object passed to it in order to perform some type of calculation or process, but when the process is complete, nothing gets returned from the ...

In my previous article, I described how to use Java’s reference objects, SoftReferenceand WeakReference, to build weak references and mark blocks as reclaimable in a simple application.