System.out.println(stringSize); //This Java String length example prints out 25 How do I remove whitespace from a Java String’s length? In the above example of Java’s String length method, the output ...

When you write String::toUpperCase, Java binds each element of the stream (String object) to the toUpperCase() method. This means String::toUpperCase is interpreted as s -> s.toUpperCase(), where ...

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.