<%@ page import="java.util.Properties,
java.util.Enumeration,
java.util.Map" %>
<%@ page contentType="text/html; charset=UTF-8" %>
System Properties
This shows all the parameters passed in from the Windows registry or command line.
Java Opts
<%
// get the system environment variables
Map envMap1 = System.getenv();
// print the system environment variables
for (String key : envMap1.keySet())
{
if (key.equals("JAVA_OPTS"))
out.println(key + " = " + envMap1.get(key) + "
");
}
out.flush();
%>
Environment Variables:
<%
// get the system environment variables
Map envMap = System.getenv();
// print the system environment variables
for (String key : envMap.keySet())
{
out.println(key + " = " + envMap.get(key) + "
");
}
out.flush();
%>
System Properties:
<%
Properties p = System.getProperties();
Enumeration keys = p.keys();
while (keys.hasMoreElements()) {
String key = (String)keys.nextElement();
String value = (String)p.get(key);
out.println(key + ": " + value + "
");
}
out.flush();
%>