The following declaration inserts Hello JSP.

Example of jsp expression. JSP Directives are used to give special instructions to the container while JSP page is getting translated to servlet source code. JSP expression tag Examples. The indexjsp file gets input from the user and sends the request to the processjsp which in turn prints the name of the user using EL.

In this example we are printing the username using the expression tag. JSP Expression Language JSP EL Most of the times we use JSP for view purposes and all the business logic is present in servlet code or model classes. EL expressions are always within curly braces prefixed with sign for example expr We can disable EL expression in JSP by setting JSP page directive isELIgnored attribute value to TRUE.

Following are the examples of expressions in JSP. JSP directives starts with. In this example we will see how EL is used as an operator to add two numbers 12 and get the output respectively.

Examples to Implement of Expression Tag in JSP. JSP Expression- It evaluates and convert the expression to a string. For example in above JSP Example I am using page directive to to instruct container JSP translator to import the Date class.

Int i 0. Example of JSP expression tag that prints the user name. Lets take a simple example for understanding the JSP expression language indexjsp Name welcomejsp.

You can also use the JSP EL expressions within template text for a tag. Here the expression is the arithmetic or logical expression. When we receive client request in a servlet we process it and then add attributes in requestsessioncontext scope to be retrieved in JSP code.