This post explains how to call a method in Java. Learn how to define methods, call them from other classes, ... a “String” is a type of variable that holds alphanumeric characters.

Behind the scenes, 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 ...

Call the Java String length() method; Hold the value of the String length in a variable for future use; Java String length method() The Java String class contains a length() method that returns the ...