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.

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 ...

We discuss how to work with directories, sub-directories, and traverse them using Java and the DirectoryStream method. Learn more.

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.