‘javac’ is not recognized as an internal or external command help

I type "javac Test.java" .It said " ‘javac’ is not recognized as an internal or external command".When i type java Test,it worked.What happen is that?

you must add the directory containing the java.exe and javac.exe (..\bin) to your PATH environment variable.

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Originally Posted by j2me64

you must add the directory containing the java.exe and javac.exe (..\bin) to your PATH environment variable.

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Where is path environment variable i can add it?

which operating system are you using?

for windows 7 os look here: http://geekswithblogs.net/renso/arch...windows-7.aspx

for linux look here: http://nixcraft.com/getting-started-...your-path.html

I'm using windows 7.When i click on New tab,what do i type on Variable name and Variable value?

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When i click on New tab

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What program are you executing?

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Originally Posted by Norm

What program are you executing?

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i went to set environment variables.

Have you installed the JDK or only the JRE?

db

Quote:

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Originally Posted by j2me64

which operating system are you using?

for windows 7 os look here: How to set the windows path in Windows 7

for linux look here: Linux / UNIX: Adding a Directory to Your Path

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Or for both on one page, go through Lesson: Common Problems (and Their Solutions) (The Java™ Tutorials > Getting Started)

db

Now i run javac ok now but i type " java Test".It said " exception in thread main java.lang.noclassdeffounderror ".How to create classpath and class for Java.I run my file from external hard drive.

What is the full text of the error message. It has important info that you have left off.

To copy the contents of the command prompt window:
Click on Icon in upper left corner
Select Edit
Select 'Select All' - The selection will show
Click in upper left again
Select Edit and click 'Copy'

Paste here.

this's pic Attachment 2771

What is the full text of the error message. It has important info that you have left off.
I can't copy and paste from an image.

To copy the contents of the command prompt window:
Click on Icon in upper left corner
Select Edit
Select 'Select All' - The selection will show
Click in upper left again
Select Edit and click 'Copy'

Paste here.