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urgent help needed

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I have just started with java.
I have downloaded jdk1.2.2.
And i have written a small program just to check whether everthing is working fine.
But i am getting the following error.
The name specified is not an internal or external command,operable program or batch file.
What does this mean.
If i type just javac also i get the same error.
Please help
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Hi Sonali,
This means that DOS can't find the exe you are trying to run. In your case you need to place the following into your PATH command:
assuming you have placed jdk1.2.2 in the c:\jdk1.2.2 directory. If you have not placed it their then use whatever place you put it and include the bin directory. Once you have done that you should be able to type:
java -version
to see if it works.
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This link may be helpful in getting started.
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