This Java tutorial is written for complete beginners up to advanced programmers who are eager to learn Java programming. We have provided numerous concrete examples to explain concepts in simple and easy-to-understand steps. This tutorial has been organized and reviewed by experienced Java developers, and the best efforts have been made to make it useful for both students and Java developers. Upon completing this tutorial, you will find yourself at an intermediate level of Java programming skills, from where you can advance to the next level.
2. What is Java?
Java is a popular high-level programming language that was created by Sun Microsystems and released in 1995. Currently, Java is maintained by Oracle, and over 3 billion devices run Java. Java operates on multiple platforms such as Windows, Mac OS, and various versions of UNIX. Today, Java is used to develop many types of applications, including desktop applications, mobile applications, web applications, games, and more.
The first example in Java is to display the phrase "Hello, World!" on the screen. Let’s take a look at the first example of writing a Java program:
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public class Student {
public static void main(String[] args) {
System.out.println("Hello World");
}
}