RxJava is a Java VM implementation of Reactive Extensions: a library for composing asynchronous and event-based programs by using observable sequences. It extends the observer pattern to support ...

Multi-beam systems are a key technology for the high-speed links of the next-generation communication standards. Due to the stringent space constraints for allocating antennas on a platform, it is of ...

Sealed classes in Java let developers limit the creation and use of subclasses and preserve the class hierarchy. Here is how sealed classes in Java work.

Java continues to rank as one of the top two coding languages for developers to learn every year since its inception nearly 30 years ago. With its multitude of use cases, this high-level language ...

How to Insert a Combo Box in Excel 2010. Combo boxes are a useful way of entering data into an Excel spreadsheet, combining the flexibility of a text field with the convenience of a list box.

The Observable design pattern is found in many Java APIs and in reactive programming. Here's an introduction to the timeless Observable pattern in Java.

Java Cheat sheets have made programming easier for Modern Developers. There are a variety of top Java Cheat sheets that Modern Developers should use in 2023.