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Java > Learn Java > How is the Java platform independent?
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How is the Java platform independent?

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Fundamentals of Programming languages and Data Science

Java is platform-independent because it uses a "Write Once, Run Anywhere" approach. Java source code is compiled into bytecode, which is platform-neutral. This bytecode can be executed on any platform that has a Java Machine (JVM) compatible with that bytecode.
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Well Its a very technical question, because i never thought from its beginning that it is truly platform independent. but for the sake of argument, lets understand. java compiler don't convert the programming code or source code in to machine code, rather it makes another intermediate code, which is...
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Well Its a very technical question, because i never thought from its beginning that it is truly platform independent. but for the sake of argument, lets understand. java compiler don't convert the programming code or source code in to machine code, rather it makes another intermediate code, which is called byte code. 

But that byte code is not capable of running on machine, because machine needs machine code to run. so what they did, they make interpreter which is based on machine and this interpreter convert byte code to machine code, so that it can run on machine. the machine with java interpreter is the concept of what is called java virtual machine. 

So the interpreter is different for different machine,  but because source code is not converted in to machine code rather than intermediate code, you can take this code in to your pen drive from windows machine where you originally made the code and can run this code on to the linux machine where obviously java interpreter is installed.

in this sense, it was called that java is platform independent.  

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Java is platform-independent because it is compiled to a bytecode that can be run on any device that has a Java Virtual Machine (JVM). This means that you can write a Java program on one platform (such as Windows) and then run it on a different platform (such as macOS or Linux) without making any changes...
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Java is platform-independent because it is compiled to a bytecode that can be run on any device that has a Java Virtual Machine (JVM).

This means that you can write a Java program on one platform (such as Windows) and then run it on a different platform (such as macOS or Linux) without making any changes to the code.

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