What is Java and how to teach?

You must have heard the name of Java. But this question must have come in your mind that what is Java (What is Java in Hindi) and how to learn Java Programming Language with it. Will answer this in today's article and would like to give some more information related to it.

In today's time, the Demand of Programming Language is very high. If I tell you an interesting thing, your hoses will fly away. In recent times, Java Code is used in more than 3000000 electronic devices. From this you can guess how popular this Programming Language is.

You are still using all the smart phones and electronic devices like AC, Oven, Smart TV, Digital Fridege are used in all these. Programming different parts in equipment of some Automated Industries. If you want to learn Android Programming, then learning Java is very important. So let's know what Java is.

Java is a General Purpose Programming Language. They are used for Software and Application Development. java is a High Level Programming Language. It was started by Sun-micro system in 1995. James Gosling is one of its major developers. This is Platform Independent Language. You can run the code written in it in any platform or os.

All the codes written in it are in English and not in Numeric Codes. Anyone can easily understand the codes written. That is why it has been included in the High Level Language. It follows the concept of Oops. Fundamental of C ++ Language has been used in it.

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Some rules are followed to write the program which is called Syntax. Writing a program without syntax produces error. Just like when you write Hindi or English, if you do not follow the rules of Grammers in it, then it goes wrong, it is very important to follow Syntax in it.

What is the use of java
This Computer Programming Language has only one purpose. Whatever code is written in it, it should be run in all computers. Whether the two machines are the same or not, I mean to say, code written in C ++ is never the same Execute in other machines, for example, whether it is an OS (Windows or Mac). Code written in Windows never runs in Mac OS, but it is wrong in the case of java.

It is used to create web based programming and mobile application software. All the operating systems of Android like Kitkat, Lolipop, Oreo have all been developed from this programming language. In today's time, all the web pages run on Java Script. The question in your mind will be how does Code Execute.

How to run or execute Java Program Code
This language uses an Abstract Computing Machine called Java Virtual Machine to run the code. It is very important for you to understand this.

Java Virtual Machine
Its short form is JVM. It is a Virtual Computer that runs all Java programs. When a program is written, the same is called the Source Code. Byte Code Generate is done by compiling the same source code with the help of Java Compiler. JVM is used to execute this Byte Code. The JAVA Interpreter inside the JVM runs the same program.

One thing to know is that JVM is already installed in all the computers that run the java program. That is why this code runs in the entire computer. For this reason java is a Platform Independent Language. All other Programming Languages ​​have their compilers which produce code. They generate for the same sysytem and run in the same system. But the java compiler that generates the byte code is for JVM.
Because of the JVM being in the entire system, this program runs in every computer. This enables Virtual Machine code to be running in the operating system.

Platform independent

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