In actuality, the genuine challenge of learning how to use Java isn’t learning the language, but learning the API. Java API, the class library, is as much a part of Java as the language itself. The language is considered to be very simple however, it comes with a library of classes that offer commonly used utility functions that most Java programs can’t work without. The code is so robust because Java objects contain no references to data external to themselves. Highlighting the longevity of the language, Zara states that the code you may have written 15 years ago will run on the most up-to-date JVMs and gain the speed advantage of the latest profiling, native code translating, and memory management.
Instead, it is an evolving language which almost uniquely combines stability with innovation. Steve Zara, a programmer for more than 40 years, describes how there is no sign of Java declining in use.
Many banks, retailers, insurance companies, utilities, and manufacturers all use Java. Since it has been around for so long, some of the biggest organisations in the world are built using the language. Most types of computers will be compatible with a JRE including PCs running on Windows, Macintosh computers, Unix or Linux computers, and large mainframe computers, as well as mobile phones. Programs can run on several different types of computer as long as the computer has a Java Runtime Environment (JRE) installed, a Java program can run on it. One of the biggest reasons why Java is so popular is the platform independence. It is one of the most popular programming languages around the world and is designed to keep running on any stage consistently. Having celebrated its 22 nd anniversary in 2017, Java has experienced consistent development in its programming efficiency for decades. So, why is it still popular after 22 years? Even as more programming languages develop, Java seems to be getting a lot more widespread year on year.
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