Creating a Java string Below is one simple syntax for creating a Java string. String greeting = "Hello world!"; In this example, "Hello world!" is a string literal, which is a series of characters ...

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.

Learn the difference between classes and interfaces once and for all, then get started declaring, implementing, and extending interfaces in your Java programs ...