See the Java 101 Java interfaces tutorial for a more in-depth introduction to using interfaces in your Java programs, including where and where not to use default, static, and private methods.

While there are workarounds -- for example, you could introduce a Factory class to generate transaction objects -- this adds complexity and could become a maintenance burden. Another approach could be ...

Java Scanner vs Console for user input The easiest way to garner input from the user in a Java program is through the Console class. But Java’s Console class has two big disadvantages: It does not ...

Method and variable handles vs. Java reflection To truly understand MethodHandles and VarHandles —what they do and why they are useful—it’s helpful to know a few things about reflection in Java.

The Insider (Pre-release) version of the pack introduces a new feature, "Rewrite with new Java syntax," which leverages GitHub Copilot, for which a license is needed to use the new functionality.