Seven of the many fields in which I consider Java has become an
inseparable part are:
1) Software Tools
Software development tools like – Eclipse, InetelliJ Idea and
Netbeans IDE are written and developed in Java.
2) Java Web applications
Many of the government, healthcare, insurance, education, defence
and several other department have their web application built in Java. Also, a
lot of RESTful services being created using Spring MVC, Struts 2.0 and similar
frameworks which are being used massively in the E-Commerce world.
3) Android Apps
Although android uses different JVM and different packaging, but
the code is still written in Java. Few years back popularity of Android boosted
and today many Java programmers have switched to Android App development.
4) Server Apps at Financial Services Industry
Global Investment banks like Citigroup, Barclays, Standard Charted
and other banks use Java for writing front and back office electronic trading
systems, writing settlements and confirmation systems, data processing projects
and several others.
5) Big Data technologies
Hadoop and other big data technologies use Java. For example,
Kafka uses Java for its major components i.e. Producer API and Consumer API.
6) Scientific Applications
Java is often a default choice for scientific applications,
including natural language processing. Main reason of this is, Java is more
safe, portable, maintainable and comes with high-level concurrency tools.
7) Embedded Systems
Several devices, such as SIM cards, blue-ray disk players, utility
meters and televisions, use embedded Java technologies. It shows how capable
the platform is, you only need 130 KB of memory to be able to use Java technology.
Originally Java was designed for embedded systems.
Even after the increase in popularity of many new programming
languages, Java with its release of Java 9 in September 2017 has
reinforced the belief that Java will continue dominating software development
space for years to come.
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