You cannot inherit from more than one super class in Java, but
according to all the texts 'Interfaces allow you to 'inherit' from
more than one class'. But all an interface gives you is a method name
so how on earth does an Interface allow you to use methods from other

Are the Eclipse compiler and formatter available as stand-alone
components yet?
If not why not?  Is it something to do with being big and blue?
Or do they not want their competitors using these components?

// __
[root@localhost XSD02]# javac javac02.java
javac02.java:33: illegal escape character
 aCmmnd = new String[]{"echo","\$PATH"};

  My java slcient connect to the server may many time by socket. My
problem is: "socket.close()" doesn't release the local port. After
running "new Socket()" many time, it will get "java.net.BindException:
Address already in use: connect" exception.

I execute an XPath expression (with the javax.xml.xpath package) on a
DOM tree and get the result in a NodeList.
NodeList nodeList = (NodeList)xpath.evaluate("/a/b", document,
XPathConstants.NODESET);

I had j2se and j2re already installed on my system (windows xp).
Now I downloaded j2EE1.4 with Sun Application Server 8.1 pack. So, it
is an all in one bundle which comes with j2se 5 and j2ee 1.4 sdk , sun
application server, point base database server etc.

We are developing a Application which should connect to a WebServer
over an Secure Channel. For this SSL would be the best. Now, when we
try to call the Url with https we get an SSL Exception (Certificate
Exception) thrown.

A strange results of some simple code:
The code:
   ArrayList al = new ArrayList();
   al.add("-3.5");

Consider this URL.
"http://forums.devx.com/newthread.php?do=newthread&f=104"
Some URLs have something that are called escape characters("?", etc")
Are these characters supposed to encoded using the URI class that has a

I'm fairly new to Java, trying to make my first significant Japplet.  It's a
small BlackJack game with a swing interface.  I'm trying to display GIF
images of the card faces, but I can't get the GIF images to load.  I keep
getting security exceptions saying the applet doesn't have ...

A growing company located on the NY/NJ line is searching for a full
time Java Programmer. Strong Web application development experience
Servlets, JSP, JDBC, JavaScript, et al. Experience with SQL, PL/SQL and
Delphi 6 a plus. Candidates must possess excellent oral and written

I have Tomcat 5.5 and i am having a jsp page which throws
a null pointer exception deliberately. I have defined a jsp error
handler
page, which is shown below,

I understand that I import classes in Java so that it can figure out
if the method signatures on the calls match those off the imported
callees. IT need help finding the packages of the class names I use.
Why is it that if I write:

Hey all,
I've got a RMI client and server application with both the cliet and
server running on localhost. Getting everything running at the same
time hasn't been a problem unless I try to specify a different port

      I am Francis, I want to create a gui for ant operations. I have
a problem to import ant libraries to my editor - netbeans 4.1. How can
I do that. Could anyone please help me to slove this problem.
like....