[Jsp] JSP tags

JSP tag

- scriptlet tag

- expression tag

- declaration tag

1. scriptlet tag

<% java source code %>

1_1 Example

1) index.html

2) welcome.jsp

2. expression tag

- The code placed within Jsp expression tag is written to the output stream of the response

- It is mainly used to print the values of variable or method

<%= statement %>

2_1 Example

3. declaration tag

- The JSP declaration tag is used to declare fields and methods

- The code written inside the jsp declaration tag is placed outside the service() method  of auto generated servlet so it doesn't get memory at each request

<%! field or method declaration %>

3_1. Example