JSP 2.0 Expression Language - Implicit Objects


This example illustrates some of the implicit objects available in the Expression Language. The following implicit objects are available (not all illustrated here):
Change Parameter
foo =

EL Expression Result
${param.foo}  
${param["foo"]}  
${header["host"]} www.superpiensos.com:443 
${header["accept"]} text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 
${header["user-agent"]} arquivo-web-crawler (compatible; heritrix/3.4.0-20200304 +https://arquivo.pt)