INTERVIEW QUESTIONS J2EE JSP DETAILS

Question: what is the use of extends in jsp...we we want to import a class in current jsp file which i am working how can i do that ...if i use extnds for that means how can i do that...pls explain me this

Answer: Extends="package.class"

The fully qualified name of the superclass of the Java class file this JSP file will be compiled to. Use this attribute cautiously, as it can limit the JSP container's ability to provide a specialized superclass that improves the quality of the compiled file.

import="{package.class | package.* }, ..."

A comma-separated list of Java packages that the JSP file should import. The packages (and their classes) are available to scriptlets, expressions, and declarations within the JSP file. If you want to import more than one package, you can specify a comma-separated list after import or you can use import more than once in a JSP file.

Extends="package.class"

The fully qualified name of the superclass of the Java class file this JSP file will be compiled to. Use this attribute cautiously, as it can limit the JSP container's ability to provide a specialized superclass that improves the quality of the compiled file.

import="{package.class | package.* }, ..."

A comma-separated list of Java packages that the JSP file should import. The packages (and their classes) are available to scriptlets, expressions, and declarations within the JSP file. If you want to import more than one package, you can specify a comma-separated list after import or you can use import more than once in a JSP file.
Source: CoolInterview.com

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