Well I can see how this can be fixed, but I need to know your motive in writing lines 4 to 17, are they for testing your code like in a main as VernonDozier says??
Also why does your sum() method...

Now I haven't gone through your code, but if you are looking for a data structure which can hold a list and gives you the facility to delete any element at random I suggest you take a look at the...

@ryy705
Now when I run javac -help I get the following message:-


Although I use the Eclipse Java compiler, but then too the usage should be the same even with the Sun JDK.
Now if you notice...

Hi James, you have to use the noparse tags around the code tags like this:-

I agree with VernonDozier, your code compiled and ran OK,
You should not be getting this problem unless and until you are using a Java compiler prior to release 1.2 (i.e a pre Java2 compiler cause...

No problems, with the line numbers, I appreciate the fact that even though new you even care to use code tags.
The line numbers will come up if you wrap you code inside and tags.

Anyways the...

Can you point out which is the line specified here :-


at MyPackage.MouseOverExample$Glyph.<init>(MouseOverExample.java:109)

@lloydsbackyard

I dont know what you are talking about. When I ran your code, it worked perfectly:-


stephen@xxx:~/Development/java> javac bonus.java
stephen@xxx:~/Development/java> java...

Well just a quick Search of your code revealed that you have never created an Object of ExtendDVD so I guess its logical that nothing from it would be printed.

Its as simple as :-

String[] splitString = book[i].split("-");

Look here (http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html#split(java.lang.String)) for more details.

But beware...

I cannot see a main() method in the code that you have posted, also you have not made your JFrame ([URL="http://java.sun.com/j2se/1.5.0/docs/api/javax/swing/JFrame.html) visible using the...

Would you care to mention what does your Hashtable contain or do I have to find that out from my crystal ball.

Now referring to your import statements (Although jasimp has already given you the solution for finding the classes you made with "importing" them).
You import the classes and not the .java files,...

This has gotten me confused, is the second part not contradicting the first ???

I was assuming that is some mistake my the O.P. cause that "split()" method of python too does not operate in that manner but I could be wrong.
Thats the reason why instead of using his first post I...

In Java too its just the same thing :-


String alpha = "A B C 1 2 3";
String beta[] = alpha.split(" ");


The values is "beta" would be the following :-

beta[0]="A"

Ehh !!! Its your program you tell me what you wanted to be printed instead of "null" !!!

If you carefully check the following piece of code :-


String output = null;
String menu = null;
Scanner keyboard = new Scanner (System.in);
System.out.print("\nEnter your taxable income...

String myString = Integer.toString(enter);

return enter;
return output;


You completely missed the point I was trying to say. I had told you to package both those values into a String...

Show us what you tried ?

You have many options here one is create a new class which has those two as its member properties and return a reference to this object from that method.
Second is put them both inside a "String"...

If you use the showInputDialog() (http://java.sun.com/j2se/1.4.2/docs/api/javax/swing/JOptionPane.html#showInputDialog(java.awt.Component,%20java.lang.Object)) method, it either returns the String...

In case you do not want your user to press "Cancel" in a JOptionPane dialog, you can actually get rid of that button altogether using the JOptionPane.showOptionDialog()...

From what I see, unlike the rest of the variables (mass, diameter and names which are all arrays) surfaceGravity is just a normal variable.

Hence the following for loop:-


for (int y = 0; y <...

Yeah thats correct, but I assumed the thread starter will figure out what additional checks to put, so I just pointed out where to put his checks.

The following loop itself could be modified to perform this check you need :-

do {
System.out.print("\nHow many adult tickets? ");
atickets = keyboard.nextInt( );
System.out.print("How...

Since you are already getting an exception, can you print out the exact StackTrace of what is being thrown up at you.

java.lang.NullPointerExceptions occur when you are trying to invoke a...

java -jar "/home/viber/JAVAFINAL/dist/JAVAFINAL.jar"

Now I see the reason for the problem. I am guessing your username is "viber" on your computer and you are running this application is user...

Show me some code, on how you are creating your file, also the exact command how you are executing your jar file.

Define what you mean by "can it doesn't work".

Do you have any errors or exception StackTraces to help us go on ?

Try System.out.printf (http://www.particle.kth.se/~lindsey/JavaCourse/Book/Part1/Tech/Chapter05/formatterPrintf.html).

Do not be so judgmental, If you hang around here long enough you will see your fair share of them.

Thats what I meant by try it. Trust yourself a little and take the jump. At most you will get a compile error or a wrong output, the world will not end with that.
The help offered here is more like...

Yes, Next time you post wrap your code inside
and tags. Also what do you need help for ? Tell us the problem (compile errors,logic problems etc etc) you are facing and this time please do not give...

Eeep !!! Sorry Confused myself on that one, heres what I think is going wrong.
Now I just went through your code the problem seems to be a tad more deeper than I thought.

You see at the class...

But the condition in your do-while loop is

while(allocated < c)


So definitely it wouldn't stop because technically "allocated" is not less than "c".

If you want it to terminate when...

Yes NightStrider, we do all start with such trivialities but the fact that makes us what we are is "What we do about them".

Putting myself in his shoes, I wouldn't have been on a public forum...

If you are using a Swing Form to get Input then I would suggest dropping the while loop altogether because your actionPerformed() method will be called whenever your user clicks on the GuessButton...

You can start here (http://java.sun.com/docs/books/tutorial/java/nutsandbolts/for.html).

First of all you will need an API (provided by one of various currency exchange websites) which will feed you the data if you want live /real time exchange rates.
I normally use www.xe.com to check...