Using Java’s String length method. To get the number of characters in a given piece of text, the Java String length() method is all you need. Just make sure the String is not null, and avoid any ...

The Java Scanner class is a simple, versatile, easy-to-use class that makes user input in Java relatively straightforward. To perform user input with the Scanner class, follow these steps: Found in ...

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.