Phpinfo javainfor?

Pessoal em php eu tenho phpinfo(), ele mostra varias informações, em java existe isso ? estou usando jsp e Vraptor

obrigado !
jr

System.getProperties();

att,

como fica no JSP ?

o método getProperties() retorna um Map. Para que você possa imprimir os valores do Map, precisará iterar sobre ele e obter cada valor através da key específica…

No google tem exemplos prontos.

&lt;%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%&gt; &lt;!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"&gt; &lt;%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %&gt; &lt;html&gt; &lt;head&gt; &lt;meta http-equiv="Content-Type" content="text/html; charset=UTF-8"&gt; &lt;!-- jQuery --&gt; &lt;script type="text/javascript" src="&lt;c:url value='/js/jquery-1.4.js'/&gt;"&gt;&lt;/script&gt; &lt;script type="text/javascript"&gt; function consultar() { var idBusca = $('#idBusca').val(); $.getJSON('&lt;c:url value="/usuario/editar/"/&gt;' + idBusca, function (json) { $('#id').val(json.usuario.id); $('#nome').val(json.usuario.nome); $('#email').val(json.usuario.email); $('#senha').val(json.usuario.senha); $('#telefone').val(json.usuario.contato.telefone); $('#celular').val(json.usuario.contato.celular); }); } &lt;/script&gt; &lt;/head&gt; &lt;body&gt; &lt;form id="formulario"&gt; CPF.:&lt;input id="idBusca" type="text" size="12"/&gt; Nome: &lt;input id="nome" type="text" size="40" onkeydown="consultar();"/&gt; &lt;input type="button" value="Buscar" onkeydown="consultar();" onclick="consultar();"/&gt; &lt;/form&gt; &lt;/html&gt; &lt;%@ page language="java" %&gt; &lt;html&gt; &lt;body&gt; &lt;table border="1"&gt; &lt;tr&gt;&lt;td&gt;<b>Property Names</b>&lt;/td&gt; &lt;td&gt;<b>Property Values</b>&lt;/td&gt;&lt;/tr&gt; &lt;% final String[] properties = { "java.runtime.name", "java.vm.vendor", "java.runtime.version", "java.vendor.url", "user.timezone", "user.language", "os.name", "sun.desktop" }; for (int i = 0; i &lt; properties.length; i++) { String pname = properties[i]; String pvalue = System.getProperty(pname); %&gt; &lt;tr&gt; &lt;td&gt;&lt;%= pname %&gt;&lt;/td&gt; &lt;td&gt;&lt;%= pvalue %&gt;&lt;/td&gt; &lt;/tr&gt; &lt;% } %&gt; &lt;/table&gt; &lt;/body&gt; &lt;/html&gt;