What is Java?
Java is a widely-used programming language for coding web applications. It has been a popular choice among developers for over two decades, with millions of Java applications in use today. Java is a multi-platform, object-oriented, and network-centric language that can be used as a platform in itself. It is a fast, secure, reliable programming language for coding everything from mobile apps and enterprise software to big data applications and server-side technologies.

What is Java programming language used for?
What is Java programming language used for? 
Because Java is a free-to-use and a versatile language, it builds localized and distributed software. Some common uses of Java include:

1.     Game Development
Many popular mobile, computer, and video games are built in Java. Even modern games that integrate advanced technology like machine learning or virtual reality are built with Java technology.

2.     Cloud computing
Java is often referred to as WORA – Write Once and Run Anywhere, making it perfect for decentralized cloud-based applications. Cloud providers choose Java language to run programs on a wide range of underlying platforms.

3.     Big Data
Java is used for data processing engines that can work with complex data sets and massive amounts of real-time data.

4.     Artificial Intelligence
Java is a powerhouse of machine learning libraries. Its stability and speed make it perfect for artificial intelligence application development like natural language processing and deep learning.

5.     Internet of Things
Java has been used to program sensors and hardware in edge devices that can connect independently to the internet.