I just wrote a class myString that has the equal method which is case
insensitive (unlike the the one provided by the String class )
public class myString
{

Hi,
I have a method which accept Object array as parameter. I wrote the
parameter as below. The system report error.
Object  Object1;

cross-posted
I looked in the readme's and so forth and couldn't find this information.
I assume I want the jre in something like /usr/local/java/jre_x/.. which
was how mozilla set itself up.  the jre from sun put itself right on the

HI folks, i have a silly problem. Does anyone Know why casting ArrayList
to List ( e viceversa)is a problem:
e.g.  public List aMethod() {..  return ArrayList} //no problem
but   ArrayList list = (ArrayList) aMethod --> ClassCastException

i am having a problem with costructors
i have four of them
where i assign the  amountOwing in the constructor and call the tester
program it works ok

Please let me know if you are aware of any tool which can convert the Java
code into .exe file including the libraries. So, that I can run the .exe
from any PC.
I have tried J2exe tool but it works fine on my PC only.

I have worked with a couple of java application before but plain old aw
applet this is my first try.
I got frustrated with the download time for 12 or 15 1 KB graphics files on
a website I volunteer to take care of.  So I though if I can create a simple

Got this result after javac o3_1.java
o3_1.java [20:1] unreachable statement
Line 20 is "        System.out.println();        "
The Code:

     String user = args[0];  // what user inputs..
     Integer userNumber = Integer.valueOf(user);
     System.out.println(userNumber + 1);
I get an error here..

cross-posted
clicking on the file downloaded from sun gives this error dialog:
cannot open jre-1_5_0-beta2-linux-i586-rpm.bin the filename indicates the
file is of type "unknown type."  the contents of the file indicate the

Hallo, here is my problem:
Given an HTML document, I need to parse it to retrieve the
URLs of all the pictures in the document. Once I have that, I need to retrieve
the pictures and package them all (together with the HTML file), into a unique

I have a project that depends on *some* files from a second project. In the
past (pre-Eclipse) I would have the ANT build environment reference the
other project and my builds included only what was needed by the compiler.
I've now gone to an Eclipse environment and do *not* want to ...

I want to install RPM's (Redhat Packet Manager) out of a java
programm.
Therefore I use the getRuntime() method that allows me to execute
commands

I have a question about default constructors.
When you make a subclass and give it a constructor.
Do you have to make a constructor in the superclass without arguments?
Can anybody tell me how this works?

Anyone sure about this newbie question:
If an object - let's say a string - may be null, is it safe to do:
if (var!=null && !var.equals("abc")) do_something();
Or can this cause in a NullPointerException at "equals"?