rupal patel

Hi Shahid,
You can do so by following way
1. write your java function inside java tag
2. write javascript tag and make a function with calling previous java function inside. Means a javascript function calls Java function
3. Call javascript function on onclick properties of button.

URI: is a string that identifies any resource. Identifying the resource does not necessarily mean we can retrieve it. URI is a superset of URL and URN

URL: URI that specify a common Internet protocol such as HTTP or FTP are also called URLs. URL is an informal term an is not used in technical specifications.

URN: A URN is an identifier the uniquely identifies a resource but does not specify how to access that resource.