JSP2.0 Expressions

ExpressionResult
${param["A"]}
${header["host"]} wvm.paneris.net:8080
${header["user-agent"]} Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
${1+1} 2
${param["A"] * 2}