What is Java? Why and how to learn Java Language?
In today's article, we are going to talk about Java Language.
Many applications of the mobile phone you are using now are made with the help of Java Language. Nowadays, Java is so popular that it is being used almost everywhere whether it is creating web applications or mobile applications.
But what is this Java language? What is its use? Can we also create mobile applications with the help of Java? etc. are some questions about which we are going to know today.
Without wasting any time, let us first know what is Java?
What is Java?
Java is a general-purpose, platform-independent programming language that includes the features of C and C++ along with some additional features. Its syntax is somewhat similar to C and C++.
Java is a high-level, object-oriented, and very secure programming language that was created by Sun Microsystems. In today's time, Java is used in social media applications, audio and video applications, etc.
Java is a class-based, platform-independent programming language in which we can easily run programs written on any platform. Here platform means the operating system that 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 making application software or any other software.
Once we compile the code written in Java language, we can easily run that byte code on any platform.
To run the byte code obtained from the compilation of Java code, JVM software comes which we install in the computer in which we have to run the Java program.
Uses of Java
Java is used to create the following applications :
- Java language is used to create Android Apps.
- Java language helps us in creating Enterprise Software.
- Java is used in creating scientific computing applications.
- Java is used in data analytics.
- Java is also used in server-side technologies like Apache, JBoss, GlassFish, etc.
History of Java
The history of the creation of Java language is quite interesting. Java language was created in 1991 by James Gosling and his team, also known as the Green Team. This team included James Gosling, Mike Sheridan, and Patrick Naughton.
All of them used to work in Sun Microsystems. Sun Microsystem was a software development company that used to create software for its clients but they had to do different coding to run the same software on different machines, seeing this they thought of creating Java language. Which is platform-independent and can be easily run on any platform.
Java language was created by James Gosling in 1995, hence James Gosling is called the Father of Java Language or the inventor of Java language.
Initially, it was thought to name it Oak instead of JAVA, but at that time there was already a company registered with this name, so instead of Oak, it was named JAVA.
Sun Microsystem released its first version in 1996. Currently, the latest standard edition of Java is Java SE 16.
Java Versions
Let us briefly see all the versions of Java in the form of a table and know when these versions were released :
Java Versions | Release Date |
JDK Alpha and Beta | 1995 |
JDK 1.0 | 23rd Jan 1996 |
JDK 1.1 | 19th Feb 1997 |
J2SK 1.2 | 8th Dec 1998 |
J2SK 1.3 | 8th May 2000 |
J2SE 1.4 | 6th Feb 2002 |
J2SE 5.0 | 30th Sep 2004 |
Java SE 6 | 11th Dec 2006 |
Java SE 7 | 28th July 2011 |
Java SE 8 | 18th Mar 2014 |
Java SE 9 | 21st Sep 2017 |
Java SE 10 | 20th March 2018 |
JAVA SE 11 | 25th Sep 2018 |
JAVA SE 12 | 19th Mar 2019 |
JAVA SE 13 | 17th Sep 2019 |
JAVA SE 14 | 17th Mar 2020 |
JAVA SE 15 | 15th Sep 2020 |
JAVA SE 16 | 16th March 2021 |
Java SE 17 (LTS) | 14th September 2021 |
Java SE 18 | 22nd March 2022 |
Java SE 19 | 20th September 2022 |
Java SE 20 | 21st March 2023 |
Java SE 21 (LTS) | 19th September 2023 |
Java SE 22 | March 2024 |
Java Example
class Main { public static void main(String []args) { System.out.println("Welcome to Programmings Tech"); } };
Applications of Java
- Java is used in things related to money transactions in banks.
- In making desktop applications like Acrobat Reader, media player, antivirus, etc.
- It is used in web applications.
- It is used in Enterprise Applications.
- Java is used to create mobile applications.
- Java is used in robotics.
- Java is used in making smart cards and embedded systems.
Features of Java
- Java is an object-oriented programming language.
- Java is a platform-independent language, once compiled its program can be run on any platform.
- Java is one of the simple and secure programming languages.
- Java is a portable programming language.
- It is a robust programming language.
Types of Java Applications
- Web Application
- Mobile Application
- Enterprise Application
- Standalone Application
1) Web Application
2) Mobile Application
3) Enterprises Application
4) Standalone Application
Java Platforms / Editions
- There are 4 types of Java platforms :
- Java SE (Java Standard Edition)
- Java EE (Java Enterprise Edition)
- Java ME (Java Micro Edition)
- JavaFX
1) Java SE (Java Standard Edition)
2) Java EE (Java Enterprise Edition)
3) Java ME (Java Micro Edition)
4) JavaFX
How to learn Java?
Popular Java editor
Notepad
Netbeans
Eclipse
Intellij idea
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