What is Java Programming Language?

Learn Java Programming - The Definitive Guide

Java is a popular general-purpose programming language and computing platform. It is fast, reliable, and secure. According to Oracle, the company that owns Java, Java runs on 3 billion devices worldwide. Considering the number of Java developers, devices running Java, and companies adapting it, it's safe to say that Java will be around for many years to come.

Java Programming Basics

Java is one of the most popular and widely used programming language and platform. A platform is an environment that helps to develop and run programs written in any programming language.

This guide will provide everything you need to know about Java programming language before you learn it. More specifically, you will learn about features of Java programming, its applications, reasons to learn it, and how you can learn it the right way.

Is it worth learning Java in 2019?

Of course yes, If you want work with Android or in some enterprise/cloud projects. Java is the most used language in the world, so if you know quite well it, you’ll can get a job, probably. But keep in mind that tons of Java project are bound to legacy code and that there is also C# (.NET Core) which is more modern and better in some ways, and Golang which is great for very high concurrency based project.

Java is the 21th century Cobol, so pull your conclusions without listen who says “go with this language.

History of Java

Java Runtime Environment (JRE) Java Development Kit (JDK)

Java was originally developed by James Gosling at Sun Microsystems (which has since been acquired by Oracle Corporation) and released in 1995 as a core component of Sun Microsystems’ Java platform. The language derives much of its syntax from C and C++, but it has fewer low-level facilities than either of them. Oracle Corporation is the current owner of the official implementation of the Java SE platform, following their acquisition of Sun Microsystems on January 27, 2010. This implementation is based on the original implementation of Java by Sun. The Oracle implementation is available for Microsoft Windows, Mac OS X, Linux and Solaris.

Java Hello World Program

HelloWorldApplication.java

public class HelloWorldApplication { public static void main(String[] args) { System.out.println("Hello World!");     // Prints Hello World! to the console. } }