Get a deep dive into using method references in your Java programs, including stream operations, event listeners, and constructors and factories.

Benefits of the Java String printf method The Java String printf method can be confusing at first, but it greatly simplifies how you format complex Strings. This is especially true when creating ...

The correct way to convert a String to long in Java is with the parseLong method of the wrapper class. The constructor conversion approach is deprecated! Use parseLong instead.

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 format method takes two inputs instead of the single input that the print method uses. The first input is a string representing the formatting that should be applied to the output, and the ...