advance java in java interview questions

Can we Implement an Interface in a JSP

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No In JavaServer Pages (JSP), which is a technology used for building dynamic web pages, it is not possible to directly implement an interface like you would in a regular Java class. JSP is primarily used for presentation logic and is meant to be a mix of HTML and Java code. However, you can achieve … Read more

How can I set a Cookie and Delete a Cookie From within a JSP Page

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Cookie mycook = new Cookie(“name”,”value”); response.addCookie(mycook); Cookie killmycook = new Cookie(“mycook”,”value”); killmycook.setMaxAge(0); killmycook.setPath(“/”); killmycook.addCookie(killmycook); In Advanced Java, particularly within a JavaServer Pages (JSP) page, you can set and delete cookies using the following methods: Setting a Cookie: To set a cookie in a JSP page, you can use the following syntax: jsp <% // Set … Read more

What is the Page Directive is Used to Prevent a JSP Page From Automatically Creating a Session

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<%@ page session=”false”> In Advanced Java, particularly in JavaServer Pages (JSP), you can use the session attribute in the page directive to control the automatic creation of a session. If you want to prevent a JSP page from automatically creating a session, you can use the following page directive: jsp <%@ page session=”false” %> This … Read more

How do you Connect to the Database From JSP

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A Connection to a database can be established from a jsp page by writing the code to establish a connection using a jsp scriptlets. Further then you can use the resultset object “res” to read data in the following way. In advanced Java web development, connecting to a database from JSP (JavaServer Pages) directly is … Read more

How do I Use a Scriptlet to Initialize a Newly Instantiated Bean

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A jsp:useBean action may optionally have a body. If the body is specified, its contents will be automatically invoked when the specified bean is instantiated. Typically, the body will contain scriptlets or jsp:setProperty tags to initialize the newly instantiated bean, although you are not restricted to using those alone. The following example shows the “today” … Read more