What is java ?

Java is a widely-used programming language for coding web applications. It has been a popular choice among developers for over two decades, with millions of Java applications in use today. Java is a multi-platform, object-oriented, and network-centric language that can be used as a platform in itself. It is a fast, secure, reliable programming language for coding everything from mobile apps and enterprise software to big data applications and server-side technologies.

How to run Java ?

Just create new file as name given below

HelloWorld.java

Next open Command prompt and type below code.

java HelloWorld.java

public class Main {
  public static void main(String[] args) {
    System.out.println("Hello World");
  }
}

Output:-