What is Java? How To Learn Java [Beginners Guide 2022]

Hello friends, in today’s article we are going to learn about Java Language.

Many applications of the mobile phone that you are using right now are made with the help of Java language. In today’s time, Java is so popular that it is being used almost everywhere, whether it is to create a web application or to create a mobile application.

But what is Java? and what are the uses of java language? Can we also make a mobile application with the help of Java? There are some questions about which we are going to know today.

So Without wasting time let’s first learn what is Java?

What is Java
What is Java

What is Java

Java is a general purpose, platform independent programming language that includes the features of C and C++, as well as some additional features. Its syntax is somewhat similar to C and C++.

Java is a high level, Object Oriented, and very secure programming language which was created by Sun Microsystems. In today’s time, Java is used in creating social media applications, audio and video applications, etc.

Java is a class-based, platform-independent programming language, In which we can run the written program very easily on any platform. Here platform means operating system which works to run programs and applications in our computer.

Java has a slogan “JAVA is Everywhere” which is also true, nowadays Java is being used almost everywhere, whether it is to make application software or to make any other software.

Once the code written in the Java language is compiled, the byte code that is received, we can easily run that byte code in any platform.

JVM software comes to run the byte code obtained from the compilation of Java code, which we install in the computer in which we have to run the program of Java.

Uses of Java

Java is used to create the following applications -:

  1. Java language is used to create Android Apps.
  2. Java language helps us to create Enterprise Software.
  3. Java is used to make Scientific Computing Applications.
  4. Java is used in data analytics.
  5. Java is also used in server-side technology like Apache, JBoss, GlassFish, etc.

History of Java

The history of becoming a Java language is quite interesting. The Java language was developed in 1991 by James Gosling and his team, also known as the Green Team. The team included James Gosling, Mike Sheridan, and Patrick Naughton.

All of them used to work in Sun Microsystem. Sun Microsystem was a software development company that made software for its clients. But they had to do different coding to run the same software in different machines. Seeing this, he thought of making Java language. Which is platform independent and which can be easily run in any platform.

The Java language was created by James Gosling in 1995, so James Gosling is called the Father of Java Language or the inventor of Java Language.

Initially, it was thought to keep its name Oak instead of JAVA, but at that time there was already a company registered with this name, so it was named JAVA instead of Oak.

Sun Microsystem released its first version in 1996. Right now the latest standard edition of Java is Java SE 16.

Java Example

Let’s see through an example how the code of Java language?

// Basic java program
// to print "Welcome to CsTutorialpoint"

class SimpleProgram
    public static void main(String args[])
     System.out.println("Welcome to CsTutorialpoint");

Output – :

Welcome to CsTutorialpoint

Applications of Java

  1. Java is used related to money transactions in banks.
  2. In making desktop applications like acrobat reader, media player, antivirus, etc.
  3. It is used in web applications.
  4. It is used in Enterprise Applications.
  5. Java is used to make mobile applications.
  6. Java is used in robotics.
  7. Java is used to make smart cards, embedded systems.

Features of Java

  1. Java is an object-oriented programming language.
  2. Java is a platform-independent language, its program once compiled can be run in any platform.
  3. Java is one of the simple and secure programming language.
  4. Java is a portable programming language.
  5. It is a robust programming language.

Types of Java Application

With the help of Java programming language, we can create these four types of applications -:

  1. Web Application
  2. Mobile Application
  3. Enterprise Application
  4. Standalone Application

1. Web Application

Applications that run on the server side and create dynamic web pages are called web applications. In today’s time, technologies like Servlet, JSP, Struts, Spring, Hibernate, JSF, are used to create web applications in Java.

2. Mobile Application

Applications that we create for mobile devices are called mobile applications, nowadays Java ME is used to create applications for small devices.

3. Enterprise Application

Enterprise applications are applications that are distributed in nature such as bank applications.EJB is used in Java to create such applications.

4. Standalone Application

Desktop applications or window-based applications are known as standalone applications. Media player, antivirus, etc. are examples of standalone applications. These are all such software which we install in our machine.

Java Platforms / Editions

Java Platform is a collection of programs that helps programmers to run and develop Java programs. The Java platform was developed by James Gosling at Sun Microsystems.

There are 4 types of Java Platforms -:

  1. Java SE (Java Standard Edition)
  2. Java EE (Java Enterprise Edition)
  3. Java ME (Java Micro Edition)
  4. JavaFX

1. Java SE (Java Standard Edition)

Java SE’s is used in database access, networking, graphical user interface (GUI) development, security, and XML parsing. It includes core topics of Java, like – Multithreading, OPs, String Exception, Inner classes, Regex, I/O Stream, etc.

2. Java EE (Java Enterprise Edition)

Java EE is mainly used for creating web applications and enterprise applications. It includes topics like Web Services, Servlet, EJB, JSP and JPA, etc.

3. Java ME (Java Micro Edition)

It is mainly used to develop mobile applications.

4. JavaFX

It is used to develop internet applications. It uses a light-weight user interface API.

How to learn Java

To learn Java language, you will find many courses in Google and YouTube, from which you can easily learn Java.

But if you want to learn Java language from me, then definitely tell me in the comment below, I will try to provide you complete tutorial of Java in this site.

Popular Java Editor

Some text editor is needed to write programs in Java language, below I am telling some text editors which you can use to make programs in Java.

Notepad -: It comes by default in all computers these days.

Netbeans -: You can download it from here:


Eclipse -: You can download it from here:


Intellij idea -: You can download it from here:


You can download any one of these to make Java programs.

If you do not have a laptop or PC, only a mobile, then you can run the code of Java from these websites mentioned below.



Friends, I hope after reading this post today, you have learned what is Java?, what are the uses of java language? and How to learn Java Language.

Friends, I hope you have found the answer of your question and you will not have to search about what is Java?, what are the uses of Java language? and How to learn Java Language.

However, if you want any information related to this post or related to programming language, computer science, then comment below I will clear your all doubts. 

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Jeetu Sahu is A Web Developer | Computer Engineer | Passionate about Coding, Competitive Programming, and Blogging

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