What are implicit objects in JSP?
Implicit objects in JSP are the Java objects that the JSP Container makes available to developers in each page. These objects need not be declared or instantiated by the JSP author. They are automatically instantiated by the container and are accessed using standard variables; hence, they are called implicit objects.The implicit objects available in JSP are as follows: • request • response • pageContext • session • application • out • config • page • exception The implicit objects are parsed by the container and inserted into the generated servlet code. They are available only within the jspService method and not in any declaration.
Related Questions
- Using JSP I can use implicit object exception when my JSP page is declared with <%@ page isErrorPage="true" %> directive. But how to get this reference programmatically, for example with a servlet ?
- How many objects exist when a JSP has concurrent requests?
- What are Predefined variables or implicit objects?
