Why and how Java is a Platform Independent?

[gopivista]

I am new to Java! From my college hood, i am very much interesting in Java and its Usage.
Still now i am not clear with the word Java is a Platform Independent!
Can any one help me to get this?
I hope here i will get solution for my problem....

[makpandian]

i thought you are not familiar of java basics.with out basics you can't be familiar in java.so first be familiar in basics.
you can use same java file for different os.
so java is a platform independent.
ok.

[gopivista]

i thought you are not familiar of java basics.with out basics you can't be familiar in java.so first be familiar in basics.
you can use same java file for different os.
so java is a platform independent.
ok.

Thank you for your reply...
What you said is right! but we need JVM or JRE to run that file...
I am right.
Then how we can say Java is a Platform Independent?

[CJSLMAN]

Platform independece means that the same java program can run on multiple HW platforms (obviously if those platforms have the Java VM installed on them). See the following link:
About the Java Technology (The Java™ Tutorials > Getting Started > The Java Technology Phenomenon)

CJSL

[Eranga]

Adding bit more,

As an example think about .Net application. To run that application on different PC you need .Net framework installed.

Same in Java, to run a Java application obviously you need JVM.

So what's the major difference. In .Net you cannot run the same application on each H/W platforms, even you have installed the .Net framework. So you have to do different modification for different H/W(sometime for OS too).

But in Java no need to do that. "Write Once and Run Anywhere"

[gopivista]

Thank you very much "Eranga"
Now i am cleared....
Even i can lift the flag that saying "Java is a Platform Independent Language".

[Eranga]

You are welcome. Read that page send to you by Chris, lots of information is there.

Keep in mind that Java is Platform Independent not Standalone language.

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