Forum: Java Sep 7th, 2009 |
| Replies: 5 Views: 211 1.) Default
2.) Repainted after each update |
Forum: Java Sep 7th, 2009 |
| Replies: 5 Views: 211 It's kind of confidential. I just hoped someone came across the same issue ;). Actually it's nothing special about the code. It's not multi-threaded, I just add several entries to the list. |
Forum: Java Sep 7th, 2009 |
| Replies: 5 Views: 211 Hello guys,
I don't really need a solution, just answer - some Swing insight. So I have a panel, and a list on it. The list is populated with strings. The problem is the following: If I add the... |
Forum: Java Mar 1st, 2009 |
| Replies: 1 Views: 352 Hello,
In my application, as a result of P2P communication, I receive a String object, which is the serialized representation of a Hashtable. Can I somehow recover my original object? I've never... |
Forum: Java Feb 18th, 2009 |
| Replies: 3 Views: 534 Thanks for the quick reply, however, I don't use sockets explicitly. I've been developing a P2P application using the JXTA platform. I didn't post code, since posting how I read a file's content into... |
Forum: Java Feb 18th, 2009 |
| Replies: 3 Views: 534 Yellow,
From my application - for some reason - I am able to send messages up to only 64k. I've been wondering if it is possible to split an InputStream into partitions of 64k, and then, on client... |
Forum: Java Nov 11th, 2008 |
| Replies: 3 Views: 387 String s = new String("");
String s1 = new String("");
System.out.println("enter String : ");
Scanner keyboard = new Scanner(System.in);
while(!s.equals("end")){
s =... |
Forum: Java Nov 1st, 2008 |
| Replies: 4 Views: 524 well you have a few mistakes.. For ex. ageOf Interest is what? I mean is it a variable (and should be ageOfInterest)? Then, you define twice the variable trainingzone. The second one should be... |
Forum: Java Oct 30th, 2008 |
| Replies: 1 Views: 819 Hello,
How can I get a reference to a session? I have a page, which forms a query string, and in another page I would like to display the attributes of it. I don't want to introduce scriplets, so... |
Forum: Java Oct 22nd, 2008 |
| Replies: 2 Views: 377 I'm sure Google will help you out. Try searching for 'Power Set Java'
Why do you take OOP courses (or whatever) if you don't want to learn? |
Forum: Java Oct 19th, 2008 |
| Replies: 3 Views: 410 Try this:
have a variable for each drink (you can have an array as well, if you want) and proceed as follows:
- when a new person comes, increment the person variable
- read their choice
- if... |
Forum: Java Oct 18th, 2008 |
| Replies: 8 Views: 1,310 Well, if you know for sure that the license plate has the format "LLL NNN" (I mean letter by L and number by N), then you can get the integer value like this:
int anIntegerValue =... |
Forum: Java Oct 18th, 2008 |
| Replies: 4 Views: 594 Excuse me, are you looking for ideas or complete source code??? For project themes check this out: http://mindprod.com/jgloss/jagg.html. If you want a complete project... then sorry, you won't take... |
Forum: Java Oct 18th, 2008 |
| Replies: 3 Views: 1,833 Files in Java are usually holders of different kinds of data. Reading a text file usually means taking a piece of information out of the file. This piece of information will now be usable by your... |
Forum: Java Oct 16th, 2008 |
| Replies: 1 Views: 809 Hi,
I have some project in which I have to deal with similar text files merging. Is there any java package for this task? If no, does anyone know how CVS (or any other version control tool) deals... |
Forum: Java Sep 9th, 2008 |
| Replies: 1 Views: 317 Hi guys,
the thing is: suppose that there is an application (assumed that we are using Windows) waiting for some input data. This could be a password, path, search criteria (for example in the... |
Forum: Java Aug 25th, 2008 |
| Replies: 3 Views: 1,662 Suppose you have a variable of type string. Let's apply a string tokenizer on it (contained in java.util if i'm not mistaken), with the SPACE character as delimiter. Let's have for example a variable... |
Forum: Java Aug 14th, 2008 |
| Replies: 7 Views: 648 That's because height is an ARRAY but you here need a PRIMITIVE. You can use either a temp variable (as I described earlier), or try this: height[i] = Double.parseDouble(...); |
Forum: Java Aug 14th, 2008 |
| Replies: 7 Views: 648 I mean:
double temp = Double.parseDouble(keyIn.readLine());
an then: height[i] = temp; |
Forum: Java Aug 14th, 2008 |
| Replies: 7 Views: 648 You should read a value, parse it put in your array and then start over. You cannot have parsedouble[] (actually the correct version is parseDouble(args)). When you read a value, you cannot convert... |
Forum: Java Aug 13th, 2008 |
| Replies: 6 Views: 463 public class User {
protected String userName;
protected String password;
protected String eMail;
private String aString = "I won't be inherited!!!";//It really won't
public... |
Forum: Java Aug 13th, 2008 |
| Replies: 3 Views: 463 Dude, what is this piece of code supposed to do? By the way, first you should take a look on Java syntax. And also, start with 'Hello World' type applications to learn how to write correct, readable... |
Forum: Java Aug 12th, 2008 |
| Replies: 6 Views: 1,442 Here is what I use:
public final class Mail {
public static final void sendMessage(String mailAddress, String text,
String subject) throws Exception
{
Properties myProperties=new... |
Forum: Java Aug 12th, 2008 |
| Replies: 2 Views: 704 Ok, here you have two constructors, the first one (Counter()) with no parameters, and the other one: Counter(int initValue). You need constructors in creating objects. Here you could create a Counter... |
Forum: Java Aug 12th, 2008 |
| Replies: 3 Views: 613 Thanks a lot, that did the trick... |
Forum: Java Aug 11th, 2008 |
| Replies: 3 Views: 613 Hi everyone,
well, my problem would be:There is a database server which contains no databases. So there is nothing to connect to (as it is needed by the DriverManager.getConnection instruction). ... |
Forum: Java May 31st, 2008 |
| Replies: 3 Views: 774 The problem is very simple, and the solution is:
Write a GUI program to compute the amount of a certificate of deposit on maturity. The sample data follows:
Amount dep: $6000.00
Years: 15... |
Forum: Java Oct 21st, 2007 |
| Replies: 3 Views: 1,326 Wow. I thought that 'set CLASSPATH=...' stuff set the variable and added the jars. So I was wrong. Please explain me detailed what should I do, becouse I'm new at this. Thanks for your patience. |
Forum: Java Oct 21st, 2007 |
| Replies: 9 Views: 1,500 Right, my bad. I thought we had to make some stats after typing -1 (like: prime numbers were: 2,3,7). :P |
Forum: Java Oct 21st, 2007 |
| Replies: 9 Views: 1,500 Wow man. That's piece of cake.
You'll need arrays. Declare it as private int[] array = new int[10];
In order to iterate this you need an integer. the indexing is from 0 (!!!) to that upper... |
Forum: Java Oct 21st, 2007 |
| Replies: 9 Views: 1,500 here is a prime function:
public boolean prime(int x)
{
for (int i=2;i<x/2;i++) // actually here you can replece x/2 with square root of x
if (x % i == 0) // if you can divide... |
Forum: Java Oct 21st, 2007 |
| Replies: 9 Views: 1,500 Please let us know what you have done so far. |
Forum: Java Oct 21st, 2007 |
| Replies: 3 Views: 1,326 Hi guys, sorry in advance for the following question:
So, I've downloaded the adequate SQL Server 2000 driver, from the Microsoft's website. I've installed it to C:\JDBC\. I've set the classpath... |
Forum: Java Jun 16th, 2007 |
| Replies: 9 Views: 3,246 Hi!
You could define a method, let's say popUp():
private void popUp()
{
JFrame frame = new JFrame("aName");
frame.setSize(500, 500);
frame.setVisible(true);
} |
Forum: Java Jun 15th, 2007 |
| Replies: 8 Views: 2,157 So this is a method, which calculates the percentage:
for (int i=0; i<mName.length()-1; i++)
{
for (int j=i+1; j<fName.length()-1;j++)
if (mName.charAt[i] == fName.charAt[j])
ok =... |
Forum: Java Jun 15th, 2007 |
| Replies: 8 Views: 1,370 Ok.
I think you forgot the public keyword. Maybe you should declare your method like this:
public static String makeFullNumber(String aNumber, int aCode)
{
return aNumber + " - " + aCode;
} |
Forum: Java Jun 15th, 2007 |
| Replies: 6 Views: 1,324 Are we talking about the "Hammurabi" (or something like that) game, when in each "year", you should ask the user how to use the grain in storage:
- How many bushels to feed the people.
- How many... |
Forum: Java Jun 15th, 2007 |
| Replies: 3 Views: 1,521 Hi!
Try this piece of code :
ImageIcon image = new ImageIcon("ANYTHING.GIF");
If i'm not wrong you can add as image icon only GIF files, so try converting your bmp (you can find such programs on... |