Functional Programming with Java Tutorial

What is Functional Programming?

In functional programming paradigm, an application is written mostly using functions. Functional Programming revolves around first class functions, pure functions and high order functions.

From Java 8 onwards, many functional programming elements are introduced like lambda expression, functional interfaces in Java. These elements are to ease functional programming in Java which was originally a imperative and Object Oriented language.

This Functional Programming with Java Tutorial is based on the latest Java 24 version.

Online Java Compiler

Our Functional Programming with Java tutorial provides various examples in Java to explain the concepts. To compile and execute the given Java programming examples in your browser itself, we have provided Online Java Compiler. You can edit and run almost all the examples directly from your browser without the need to set up your development environment.

Try to click the icon to run the following Java code to print conventional "Hello, World!" using Java Programming.

Below code box allows you to change the value of the code. So, please try to change the value inside println() and run it again to verify the result.

public class MyFirstJavaProgram {

   /* This is my first java program.
    * This will print 'Hello, World!' as the output
    */

   public static void main(String []args) {
      System.out.println("Hello, World!"); // prints Hello, World!
   }
}

Who Should Learn Functional Programming with Java?

This tutorial is designed for Computer Science graduatates as well as Software Professionals who are willing to learn Functional Programming with Java in simple and easy steps. This tutorial will give you great understanding on Functional Programming concepts and after completing this tutorial you will be at intermediate level of expertise from where you can take yourself at higher level of expertise.

Prerequisites to Learn Functional Programming with Java

To maximize the benefits of this tutorial, readers should have a basic understanding of Java programming.

Functional Programming Jobs and Opportunities

Java is very in demand, and all the major companies are recruiting Java programmers to develop their desktop, web, and mobile applications.

Knowledge of Functional Programming is must for a Java programmer with 3-5 years of experience. And this can help him/her to get around $120,000 in an in an annual package, and this is the most demanding skill in America. Though package can vary depending on the location of the job. Following are the great companies that are using Java and they need good Java programmers:

• Google
• Microsoft
• Facebook
• IBM
• Amazon
• Netflix
• Pinterest
• Uber
• JetBrains
• Many more...

So, you could be the next potential employee for any of these major companies. We have developed great learning material for Java that will help you prepare for the technical interviews and certification exams based on Java. So, start learning Java using this simple and effective tutorial from anywhere and anytime, absolutely at your pace.