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 What java actually is?

• Java is a general purpose programming language, much like Python or JavaScript.
• The language itself is specifically an object oriented programming language, so bears similarities to C++, C#.
• Java is also a platform, which means that Java code can run on any machine that has a Java Virtual Machine (JVM) on it. Originally those two things were interchangeable, and the only thing that ran on the JVM was Java. But since that time, a number of languages have been written which can run on the Java platform, languages like Scala, Groovy, an implementation of Ruby called jRuby, and an implementation of Python called Jython.
   

WHAT ARE THE ORIGINS AND HISTORY OF JAVA?

 

Java was created by a team at Sun Microsystems, was released in 1995 and was subsequently acquired by Oracle.

A primary goal of the Java creators was to develop a language that could run on consumer appliances – so the designers were already contemplating a world in which there was code running on your refrigerator or toaster – what we now call the internet of things. We’ve only recently started creating devices which benefit from such a language, so in the mid-1990s, they were way ahead of their time. But that goal drove a lot of the architecture of Java. One of its major selling points was “write once, run anywhere,” so in other words you could write one piece of code, then it could be compiled to run on any device.

Ironically, Java did not gain popularity for that reason; instead its creators were able to take advantage of something else that came out in the mid-1990s: the world wide web. Java had a feature where you could write things called applets, small programs which could run inside of a web browser, and as the web was gaining popularity, Java rode that wave and became extremely successful and popular. So a lot of web applications were written in Java, even though that wasn’t what the creators had in mind when they first conceived the language.

The creators of Java were strongly influenced by existing programming languages like C and C++, with which Java shares a lot of syntactic similarities. They used these languages as an example of how not to do things, so there were certain features that the creators of Java explicitly decided not to include, because they had been troublesome for programmers using C and C++.

 

<<<<<WHICH LANGUAGES HAS JAVA GIVEN RISE TO>>>>>

 

On the one hand, some of the languages built for JVM, such as Scala and Groovy, are languages created to run within the Java environment. One might argue that Java had a great deal of influence on the development of C#. Microsoft’s C# language was developed after Java, and certainly took a lot of inspiration from Java. C# also also helped make improvements on Java, so those two languages have gone back and forth influencing each other.
 

HOW IS JAVA DIFFERENT FROM JAVASCRIPT?

There is no technical relationship between Java and JavaScript at all. JavaScript was developed by Netscape in the mid-90s, originally called LiveScript. Nobody was using it, so Netscape saw Java getting all this publicity and hype, and they basically rebranded Livescript as JavaScript to siphon off some of that excitement. And it worked – JavaScript became popular. But from a technical perspective there is no relationship between the two, they just bear similar names. The only technical similarity is that they both derive their syntax from the C programming language. For that reason, if you are familiar with Java, then it’s pretty easy to pick up JavaScript and vice versa.

 
 

WHICH FRAMEWORKS SHOULD I USE WITH JAVA?

The nice thing about Java is that it’s meant to be a very general purpose language, so it’s used in lots of different environments. It’s explicitly intended to run on lots of different platforms, so you can run it on your Linux machine, Unix box, Mac, Windows, or your cell phone. So I would say that it’s can be used with just about anything.

 

Lets make a decision  is Java a Good First Coding Language for Beginners?

There are a lot of reasons that Java is a good first programming language:

• Java has been around for such a long time, so it’s really well established. There are a lot of great books, online resources.
• There are probably more Java programmers than any other type of programmer in the world, so a lot of people already know Java and it’s easy to find people who can help you out and mentor you.
• Java derives its syntax from C, and lots of other languages also derive their syntax from C, so if you learn Java, then learning a language like Javascript, C#, or C++ is much easier.
• It’s an object-oriented language, so a lot of the foundational concepts you learn inside of Java are transferable to other languages. 

 The top most applications of java are give below in detail

1. Mobile Applications
2. Desktop GUI Applications
3. Web-based Applications
4. Enterprise Applications
5. Scientific Applications
6. Gaming Applications
7. Big Data technologies
8. Business Applications
9. Distributed Applications
10. Cloud-based Applications

lets explain more,...

Mobile Applications

Java is considered as the official programming language for mobile app development. It is compatible with software such as Android Studio and Kotlin. Now you must be wondering why only Java? The reason is that it can run on Java Virtual Machine(JVM), whereas Android uses DVK(Dalvik Virtual Machine) to execute class files. These files are further bundled as an Android application package(APK). With Java and its OOPs principles, it provides better security and ease of simplicity with Android.

Desktop GUI Applications

All desktop applications can easily be developed in Java. Java also provides GUI development capability through various means mainly Abstract Windowing Toolkit (AWT), Swing, and JavaFX. While AWT holds a number of pre-assembled components like menu, list, button. Swing is a GUI widget toolkit, it provides certain advanced elements like trees, scroll panes, tables, tabbed panels, and lists.

Web-based Applications

Java is also used to develop web applications. It provides vast support for web applications through Servlets, Struts, or JSPs. With the help of these technologies, you can develop any kind of web application that you require. The easy coding and high security offered by this programming language allow the development of a large number of applications for health, social security, education, and insurance.

Enterprise Applications

Java is the first choice of many software developers for writing applications and Java Enterprise Edition (Java EE) is a very popular platform that provides API and runtime environment for scripting. It also includes network applications and web-services. JavaEE is also considered as the backbone for a variety of banking applications which have Java running on the UI to back server end.

Scientific Applications

Sofware developers see Java is the weapon of choice when it comes to coding the scientific calculations and mathematical operations. These programs are designed to be highly secure and lighting fast. they support a higher degree of portability and offer low maintenance. Some of the most powerful applications like the MATLAB use Java for interacting user interface as well as part of the core system.

Gaming Applications

Java has the support of the open-source most powerful 3D-Engine, the jMonkeyEngine that has the unparalleled capability when it comes to the designing of 3D games. However, it does cause an occasional latency issue for games as garbage collection cycles can cause noticeable pauses. This issue will be solved in the newer versions of JVMs.

Big Data technologies

Java is the reason why the leading Big Data technologies like Hadoop have become a reality and also the most powerful programming languages like Scala are existing. It is crystal clear that Java is the backbone when it comes to developing Big Data using Java.

Business Applications:

Java EE platform is designed to help developers create large-scale, multi-tiered, scalable, reliable, and secure network applications. These applications are designed to solve the problems encountered by large enterprises. The features that make enterprise applications powerful, like security and reliability, often make these applications complex. The Java EE platform reduces the complexity of enterprise application development by providing a development model, API, and runtime environment that allow developers to concentrate on functionality.

Distributed Applications:

Distributed applications have several common requirements that arise specifically because of their distributed nature and of the dynamic nature of the system and platforms they operate on. Java offers options to realize these applications. The Jini (Java Intelligent Networking Infrastructure) represents an infrastructure to provide, register, and find distributed services based on its specification. One integral part of Jini is JavaSpaces, a mechanism that supports distribution, persistence, and migration of objects in a network.

Cloud-Based Applications:

Cloud computing means on-demand delivery of IT resources via the internet with pay-as-you-go pricing. It provides a solution for IT infrastructure at a low cost. Java provides you with features that can help you build applications meaning that it can be used in the SaaS, IaaS and PaaS development. It can serve the companies to build their applications remotely or help companies share data with others, whatever the requirement.

If you wish to check out more articles on the market’s most trending technologies like Artificial Intelligence, DevOps, Ethical Hacking

 

Top 30 Tutorials, Resources, and Courses only for java check them and you will be the in java

1. Codecademy
2. Udemy
3. Coursera
4. Java Code Geeks
5. Learn Java
6. Oracle Java Tutorials
7. edX
8. SoloLearn
9. Skillshare
10. Codementor
11. Program Creek
12. Java Beginners Tutorial
13. W3Resource
14. Tutorials Point
15. Studytonight
16. Udacity
17. Cave of Programming
18. Treehouse
19. Programming by Doing
20. Sanfoundry
21. JavaTpoint
22. Guru99
23. Java Tutorial
24. W3Schools
25. JournalDev
26. Programiz
27. Jenkov.com
28. Lynda.com
29. NetBeans
30. Simplilearn

1. Codecademy

Codecademy is probably one of the best places to learn Java online. It is an education company, which focuses on enhancing the online learning experience of students. It provides free courses of Java programming language for both beginners and experienced programmers. Codecademy provides opportunities to work and implement the knowledge by offering different projects such as creating calculator and other applications.

You need to create an account on codecademy.com in order to learn Java or any other concept. Apart from Java, you can also learn other programming languages also such as Android and Python.

Some key topics included in this tutorial are as follows

• Introduction to Java
• Data structure
• Object-oriented concepts in Java

2. Udemy

Udemy offers Java tutorials from complete beginner to expert level. It has now become one of the biggest platforms, which offers multiple online courses. You can learn several programming languages such as Java, C++, and C.

Hence, Udemy is considered as best among other platforms to learn the Java programming language. It also teaches you how to set up an environment for Java programming. It provides free video lectures about how to start programming with Java. These lectures help students to learn about the concepts of Java in a much simpler and easier way as compared to the other tutorials.

You are required to sign up on udemy.com in order to get access to all the free video lectures. There are around 58 free Java tutorials and programming lectures available over Udemy. You can choose any or all of them to study. In case, you want to study more in-depth about Java, pay $11 (approx.) to become a premium member of Udemy. The premium members have access to around 736 classes. These classes will surely help you with all your queries and questions related to Java.

Some key topics included in this tutorial are as follows:

• Programming with Java
• Implementation of OOP concepts in Java

3. Coursera

If you are looking for some well-known tutorials to start coding in Java programming language, then Coursera is the perfect place to learn. You can learn about so many different topics such as data science, programming languages, and many others. It provides video classes for Java programming in multiple languages. The videos are available in languages such as English, Spanish, Russian, Chinese, and French.

In addition to this, it also provides support for subtitles of videos. You can play subtitles in multiple languages such as Korean, Chinese, Spanish, German, Turkish, Vietnamese, and many others.

Some key topics included in this tutorial are as follows

• Java Fundamentals
• Java for Android
• Advanced Java

4. Java Code Geeks

Apart from providing a tutorial about the Java programming language, Java Code Geeks also provide free and downloadable examples of code. This feature of Java Code Geeks makes it different from other online Java tutorials. You can learn about different variants of Java under this platform such as core Java, desktop Java, and enterprise Java.

You can find some downloadable documents or ebooks such as Java Rockstar, JPA Mini Book, JVM Troubleshooting Guide, JUnit Tutorial for Unit Testing and many others, in order to learn the Java programming language. You can also download entire Java projects from this tutorial.

Apart from Java, it also provides quality information about other languages as well, including Android, Scala, Kotlin, JRuby etc.

Some key topics included in this tutorial are as follows:

• Java classes
• Java functions
• Loops in Java

5. Learn Java

It is an interactive Java tutorial, which offers free online Java course. It gives you access to the world of Java. It provides all the support required to learn Java programming language for the beginner as well as an advanced programmer.

It has a builtin tool to run and execute Java code, which helps you to learn about the errors that generally appears while programming. Apart from Java, you can also learn about C++, C, Python, HTML, CSS, PHP, JavaScript and many other languages.

Some key topics included in this tutorial are as follows:

• Arrays
• Functions
• Generics
• Try and Catch
• Exceptions
• Abstract classes

6. Oracle Java Tutorials

As you know, Oracle is one of the leading IT and software development organizations. It has developed a free online Java course platform. It guides you to create an application in a simple and easy manner. It has a great collection of working examples and several chapters.

Some of the basic elements and topics included in this tutorial are as follows:

• Classes in Java
• Java APIs
• Deploying applications

7. edX

edX is one of the emerging online learning platforms that offers high-quality courses from the best institutions across the world. In 2012, Harvard University and MIT both laid down the foundation of edX. Here, you can learn to program with Java programming language. Most of the courses are free, and there is no need to enroll for them. However, you can choose the premium courses in order to get a certificate after the completion of the tutorial.

Some key topics included in this tutorial are as follows:

• Java inheritance
• Aggregation in Java
• Regular expressions in Java

8. SoloLearn

SoloLearn has started a comprehensive guide for those who want to learn Java and nourish their programming skills. The entire tutorial is divided into 6 modules and 65 chapters.

Some key topics included in this tutorial are as follows:

• Loops
• Classes and objects
• Lists
• Threads
• Files and exceptions

SoloLearn has also launched its mobile application, which supports multiple operating systems such as Android and iOS. You can download this application to your mobile in order to learn about Java. Apart from Java, it also offers courses in other languages such as HTML, JavaScript, C++ and many others.

9. Skillshare

Aspiring developers or coders can learn Java programming language free. It provides you an option to sort topics according to the length and duration. This site also allows you to check the reviews of other enrolled students. It provides you with thousands of classes in other programs such as design, business, technology and many others.

It has more than 4 million students connected and around 22,000 class tutorials. So, don’t wait, and join Skillshare right now to explore the world of knowledge.

Some key topics included in this tutorial are as follows:

• Arrays in Java
• Java I/O operations
• Java exception handling

10. Codementor

Java is among the best programming languages to enhance your value as a professional in the IT world. Codementor has a great collection of tutorial classes, language courses, and some valuable tips, which helps the beginner to start learning about any specific course. In this site, you can also discover some useful blogs about coding in Java and programming queries as well.

Some key topics included in this tutorial are as follows:

• Multithreading in Java
• Concurrency in Java
• Advanced Java concepts

11. Program Creek

Program Creek is a well-designed tutorial website to learn Java and other programming languages as well. It provides good quality content about the concepts of Java. It has well- structured navigation, which helps beginners go through the website.

You will also find useful articles written by some other entities. It also provides you with various examples of Java programming language, so that you can enhance your coding skills as well.

Some key topics included in this tutorial are as follows:

• Generics
• Exceptions
• Concurrency
• I/0 & database
• Compiler and JVM

12. Java Beginners Tutorial

Java Beginners Tutorial is probably the best Java learning platform for beginners as well as experienced programmers. It is divided into three sections. The first section describes the fundamentals of programming in core Java. The second section describes examples of Java programming. In this section, you can implement the concepts learned in the first section. The last section provides you with a summary of what you have learned in previous sections.

Some key topics included in this tutorial are as follows:

• Java HashMap
• LinkedList
• Set
• Enum

13. W3Resource

W3Resource is another online tutorial website to learn the Java programming language. The best way to learn is practice. This website provides some best examples of Java coding and exercises in order to implement the concepts.

With these exercises, you can enhance your Java programming skills. It primarily focuses on the Java exercises.

Some key topics included in this tutorial are as follows:

• Data type exercises
• Array exercises
• String exercises

14. Tutorials Point

Tutorials Point is a very useful website. It is very helpful for both beginners as well as experienced programmers. With the help of this website, both can learn about the Java programming language very easily.

This tutorial website provides good quality content about Java and other languages as well. In addition to this, it also provides you examples and exercises in order to implement the learned concepts.

You can study different examples and test yourself by executing multiple code examples. After completion of core Java concepts, you can learn advanced Java concepts and other essentials of Java language.

Some key topics included in this tutorial are as follows:

• Core Java concepts
• Advanced Java concepts

15. Studytonight

As you know that Java programming language is quite difficult to learn, therefore, choosing the best website to learn is a very important thing.

Studytonight is among the best tutorials to learn Java programming language as it provides you a tutorial course along with the examples. This tutorial site provides a platform, which helps you to know more about the Java programming with a lot of examples and practical problems.

Apart from learning Java concepts, you can also test your coding skills in the topical test section of the website. Later, if you have any queries or questions, you can ask in the Q & A forum. You can also discuss your queries in this forum with your fellow users.

Apart from Java, you can also learn about other languages such as C, C++, Python, DBMS, SQL, JSP, CSS and many others.

Some key topics included in this tutorial are as follows:

• Generics in Java
• Java reflection
• Java XML

16. Udacity

Looking for a platform that can help you with Java programming language from the basics? Then, you can go to the Udacity online Java programming course.

This website provides you good quality content that makes it a perfect place for beginners who want to learn and explore more about the Java programming language. More than 160,000 students from all over the world (around 190 countries) have enrolled to learn different online courses from Udacity. Udacity provides some Nanodegree programs and free online courses. The list of courses includes the following:

• Artificial intelligence for trading
• Python foundation
• Machine learning foundation
• Java foundation
• Front-end development

Some key topics included in this tutorial are as follows:

• Conditional statements
• OOP concepts in Java
• Functions and loops

17. Cave of Programming

Cave of Programming, developed by John Purcell, a software developer having 14 years of experience, is an online platform, which provides a free Java online course.

Cave of Programming is a good platform for beginners. You need to enroll in a course to get started. Provide your email address, and full name in order to sign up on caveofprogramming.com.

Some key topics included in this tutorial are as follows:

• Introduction and Installation of Java
• How Java works
• Coding with Java

18. Treehouse

Treehouse is an emerging platform, which provides different online courses. It has more than 222 courses available for which around 180,000 students have enrolled till now. It is a good place for a beginner to start exploring the world of Java. It offers more than 1000 videosthat are prepared by the experts of different languages.

Also, this website continuously refreshes its data so that it can maintain the requirements of the enrolled students.

In order to get started, you need to create an account on the teamtreehouse.com. This tutorial website offers you 7 days free trial. After the free trial, you can purchase a basic membership of the Treehouse at $25 per month.

Some key topics included in this tutorial are as follows:

• Introduction to Java concepts
• Java regular expressions
• JDBC tutorial

19. Programming by Doing

Programming by Doing is a comprehensive place to learn Java. Along with the course content, it also provides your assignments according to the topics. For example, after completing variables in Java, you will get 5 assignments.

Some key topics included in this tutorial are as follows:

• Java classes, objects and functions
• Java annotations
• Java design patterns

20. Sanfoundry

If you want to polish your Java skills, then Sanfoundary is the best place for you. It has a collection of more than 1000 questions that focus on almost all key concepts of the Java programming language. Hence, it helps both beginners as well as experienced programmers to learn and code in Java.

Some key topics included in this tutorial are as follows:

• Data types, variables, and arrays
• Operators and control statements
• Java Environment and OOP concepts
• Classes and methods
• Inheritance
• String handling

21. JavaTpoint

JavaTpoint has a great collection of Java course content. It provides a Java programming tutorial for students as well as experienced professionals. The tutorial starts with an introduction of Java, and then you will learn about its different concepts. Apart from theoretical concepts, it also provides you with examples to learn how to implement the concepts.

Some key topics included in this tutorial are as follows:

• Java object class
• Java control statements
• Java abstraction
• Java encapsulation
• Java polymorphism

22. Guru99

Guru99 is another popular platform to learn the Java programming language. Beginners can easily learn about Java using this free tutorial website as it has a simple user interface and well-structured navigation pane. It also provides information about other languages. For example, SQL, VBScript, SAP and many others.

Some key topics included in this tutorial are as follows:

• Introduction to Java platform
• Introduction to Java virtual machine (JVM)
• Evolution of Java programming language

23. Java Tutorial

This tutorial from beginnersbook.com will help you to learn the Java programming language. It has arranged all the topics from beginner to expert level. It is suitable as both a refresher, as well as experienced programmers.

Some key topics included in this tutorial are as follows:

• Java virtual machine basics
• First Java program
• Switch case in Java
• If-else in Java

24. W3Schools

W3Schools has a good collection of Java course content. It starts from a very basic level so that any refresher candidate can learn about the programming language. It begins with the evolution of Java and then moves further to explain various features and concept of Java. Along with the course content, it also provides examples at the end of each topic.

Some key topics included in this tutorial are as follows:

• Java keywords
• Java operators
• Java data types
• Java variables

25. JournalDev

JournalDev tutorial offers you best content to learn the Java programming language. In this tutorial, you can learn about core Java and Java EE frameworks. It has split the Java concepts according to the difficulty level. For example, initially, you will learn about the simple introduction to Java and then moves to the OOP concept in Java. Further, you will learn about data types and operators.

Some key topics included in this tutorial are as follows:

• Composition in Java
• Inheritance in Java
• Java nested classes

26. Programiz

Java is a general-purpose programming language. Hence, it is simple and easy to learn. Programiz is among the best tutorial websites that offers simple to read, easy to understand and quality content.

The passionate developers of Programiz work continuously to enhance the user experience by explaining each concept clearly along with examples.

Some key topics included in this tutorial are as follows:

• Java JVM, JRE, and JDK
• Java access modifiers
• Java for loop

27. Jenkov.com

Jenkov provides a tutorial about core Java programming language. It also displays the new features added in Java 9. You can learn from a beginner level in this tutorial. The tutorial starts with an introduction to Java programming language.

Some key topics included in this tutorial are as follows:

• Java enums
• Java annotations
• Java interfaces
• Java core concepts

28. Lynda.com

Lynda tutorial classes teach beginners along with experienced professionals how to program in Java, and how to use JDBC and how to integrate a MySQL database in Java code. Here, you will also learn about Java APIs, advanced class structures, and managing files as well as directories.

Some key topics included in this tutorial are as follows:

• Reactive programming with Java 8
• Introduction to Java 9
• Mastering microservices with Java

29. NetBeans

NetBeans provides a comprehensive guide to learn Java online free. It has arranged the course in three levels i.e. beginner, intermediate, and professional Java training and certifications. It also provides you with free access to some books and PDFs so that you can learn the concepts easily.

Some key topics included in this tutorial are as follows:

• Development with Java
• Java GUI applications
• Java EE and web development

30. Simplilearn

Simplilearn offers a one-stop training program, which helps you to begin with the concepts of Java. You can learn here beginner to advanced level of programming. Prior experience of coding is not required in order to begin this tutorial.

Some key topics included in this tutorial are as follows:

• Java servlets
• Java server pages
• Introduction to Hibernate

Best Of Luck Guys To Step Into Java"!"