Java Tutorial

Chapter 1 – Introduction to Java

What is Java?

Java is an Object Oriented Programming language. It is one of most popular programming language currently in use today.

It is used for developing applications ranging from Desktops applications, Web applications, Mobile Apps, Servers, Databases, and many more stuffs.

Java powers a lot of enterprise grade applications. If you work for an IT MNC especially in BFSI sector, then it would be highly likely that the application’s backend would be based on Java.

Java should not be confused with JavaScript (which is a scripting language popularly used in front end applications and Node.js based applications). Both of these are completely different.

History of Java

Java was initially developed by James Gosling and team in 1995, though the work started in early 1990s. It was initially developed at Sun Microsystems. Now it is owned by Oracle (as Sun Microsystems became a subsidiary of Oracle).

Initially it was developed to be used for embedded system electronics such as Television set top boxes.

The project was started with the name as “Oak” after an Oak Tree. But later it was renamed to Java in 1995 as “Oak” was already trademarked by another company called Oak Technologies.

Why should you learn Java?

Java is free and open source.

It is an Object oriented programming language which allows you to make use of OOPs concept to build large and complex applications.

It is one of the most in-demand and popular technology in current Job market and has been there since more than a decade or so.

Java has one of the largest ecosystem of programmers using this technology, thus ensuring a huge community support whenever you are stuck with something and need any help.

Though it was some bit of learning curve when compared to C or Python programming languages. However, if you consider the OOPs concept of Java, then it is relatively the easiest OOPs programming language to learn and get started with building projects.

It is used in almost every popular tech stack such as Web (using frameworks such as Springboot, Struts, etc.), Mobile (Android), etc.

Java is platform independent, which makes the same code compatible with every operating system. Which means you can write the code on any device like Windows and run on Linux or Mac, and vice versa without much of the trouble, as long as your system has Java Virtual Machine (JVM) installed.

I hope this tutorial was helpful. See you soon in our next tutorial.

Next Chapter Chapter 2 - Setting up Java Development Environment

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