how we create a war file in j2ee

hai anybody give me the idea??

when you deploy a project war file will be created.

Deepa Gowda wrote:when you deploy a project war file will be created.

The war can't be created by deploying a war. How would it get created in the first place? If you are talking about a specific IDE, not everyone uses the same IDE, or an IDE at all.

This may useful

using ant

1. http://s2sgateway.com/jsp/create-a-war-file-using-jsp-code/
2. http://www.ecomputercoach.com/index.php/component/content/article/76-building-a-j2ee-web-application-using-ant-script.html?start=1
3. jar -cvf sample.war

can anyone give me the steps of creation of war file?

is we create war file in a single command or there is some lengthy method to do that?

Have you even read this topic? The single simple command is given in the first reply.