Developers make assumptions about how our code will behave when executed, but we’re not always right. Without certainty, it is challenging to write programs that work correctly at runtime.

Learn how to use Java annotations to associate metadata ... or other elements in your Java code. For example, your team might need to identify unfinished classes in a large application.

When I first learned to program, it was grasping if statements that helped it all click into place for me. Once you can use if statements, you can build all kinds of useful and interesting tools.

It was never the sexiest language, but for decades Java has been a mainstay of modern technology, and it's going to be with ...

A loop is a structure in programming that allows you to run the same section of code over and over. This can be used when you want to perform an iterative task (like counting, or sorting through a ...

Note that the Java ternary operator example above could just have easily been written using an if…else statement. The code below performs that exact same logic as the Java ternary operator example ...

It paved the way for open source to enter the enterprise. "And, arguably, the enterprise never looked back." Indeed, the ...

The Java code to achieve this, shown below ... An obvious solution might be to use parallel streams, like so: paths.parallel() .filter(Files::isRegularFile) Parallel streams utilize the fork/join pool ...

The example code below shows how to use Java’s DirectoryStream in a method to list the files of a directory: Although the above code might look similar to listFiles(), it is different in how ...