1.Test if the value of a certain node is empty Depends what you mean by empty. Contains no child nodes: not(node()) Contains no text content:…

· JSP Directives: Page Directive: Define & manipulate a number of important page dependent attributes that affect the whole JSP, & communications these attributes to…

EJB architecture: is a component architecture for the development and deployment of component-based distributed business applications. An application written using the Enterprise JavaBeans architecture is…

Collection vs List vs Map vs Set Collection List Map Set Duplicate Elements Duplicate Elements No Duplicate Keys No Duplicate Elements Extends Collection Each key…