Lower camel case for Java variables. For variables, the Java naming convention is to always start with a lowercase letter and then capitalize the first letter of every subsequent word. Variables in ...

Java String length() companion methods; String method: Method function: trim() removes whitespace before the Java String’s length method is called: charAt(int index) Returns the character at a given ...

Method references in Java are part of the broader set of features introduced and enhanced in Java 8 and beyond. They are a concise way to refer to methods of classes or objects.