out.write () and out.print () difference, jsp comment difference

out.write () and out.print () results, are output content

The former output html content

The latter output variables

 

5 JSP comments

We now need to know JSP is compiled into .java, and then compiled into a .class. Which will be ignored by the content of <% - - ...%> in the JSP compiled .java, that JSP comments.

Can also be used in a JSP page html Notes: but the comments in the JSP compiler into .java is present, it will not be ignored, and will be sent to the client browser <- - ...!>. However, when the browser displays the html sent from the server, because <! - ... -> html is commented, so the browser will not display it.