The JSTL encapsulates the core functionality which is common to many web applications. The JSTL provides a single set of tags instead of mixing many set of tags. The JSTL have tags for loop statement, If Else statement etc. It removes the burden of writing long java codes. Please go through the tutorial of JSTL given below.
In the second part of this tutorial on JSTL, the author explains how the tags in the core-group can be used in JSP pages, with a number of simple examples.
We are now ready to experiment with all the tags in the 'core' library. The core tags have the following uniform 'uri'.
Following are the tutorials of JSTL Core Tags: