Creating a jar File in windows 7 using command prompt

steps to be followed:

1. Start Command Prompt.

2. Navigate to the folder that holds your class files:
 like this: C:\>cd \mywork

3. Compile your java files to get java class(es):
 like this: C:\mywork> javac *.java

4. Create a manifest file:
 like this: C:\mywork> echo Main-Class: DanceStudio >manifest.txt

5. Create a jar file:
 like this: C:\mywork> jar cvfm DanceStudio.jar manifest.txt *.class

6. Test your jar:
 like this: C:\mywork> DanceStudio.jar

 
Important Note:
Here DanceStudio represents the Main Class file name...