In this Java 101 tutorial, I’ve explained how interfaces differ from classes, and showed you how to declare, implement, and extend interfaces in your Java programs.

Interactive_Form-with-java Candidate Information Form - Java Application This project is a simple GUI-based Java application that collects candidate information such as name, date of birth, gender, ...

Java’s interface language feature confuses many Java newbies. Many mistakenly assume that interfaces only sidestep Java’s failure to support multiple implementation inheritance.

This project is a simple JavaFX-based registration form designed to demonstrate the use of JavaFX for building graphical user interfaces. The application includes basic functionality for user input ...

Functional supplier interface in Java tutorial There are only half a dozen classes you really need to master to become competent in the world of functional programming. The java.util.function package ...

The Java Function interface is quite simple. It takes a single Java object as an argument, and returns a single Java object when the method concludes. Any method you can conjure up takes an object and ...

When the button is pressed, then the macro is executed. One cool feature in JSR-223 is to allow scripts to implement Java interfaces. For example, we wish to implement the ActionListener interface.