JRuby and Jython both have support for implementing Java interfaces as well as extending Java classes. But overwriting overloaded Java method brings in new issues for most popular scripting languages.

This article presents a custom doclet that provides a simple extensible architecture to generate code for SQL schema, and Java and C++ classes from simple Java class definitions. (1,500 words) Topics ...

Another type of class that wasn't in Java 11 but that you will find in Java 17 is sealed classes. Sealed classes and interfaces are designed to allow you to control which of the other classes are ...

Developers can use familiar Java classes and interfaces to interact with the database, making it straightforward to perform database operations such as creating tables, inserting data, querying ...