User Authentication ⇒ allows the user to log-in using the appropriate username & password (guest initials: user, user123) Event-Driven programming ⇒ the output is driven by user actions Inheritance & ...

The Java GUI Calculator is a versatile calculator application built with Java Swing and AWT libraries. It provides a user-friendly graphical interface for performing arithmetic operations such as ...

Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...