Hi All,I've discovered pretty weird behavior in String.split() function when the regex is DOT (.):String ipAsString = "10.0.0.4";String[] nodes = ipAsString.split("."); The result of the previous two lines is 0 (i.e. nodes.length == 0) but if I replace DOT by COMMA (",") the function ...

Hello everyone,I am new to java (just downloaded the J2SE 1.4.2 SDK and am running on a Windows 2000 system) and have started my learning process by going through the First Cup of Java tutorial. I completed the tutorial, ran my hello.html from the appletviewer. The appletviewer displayed the ...

What is the code for casting a string into a double?thanks,

Is there any parser that will take a string in the form of "26-Mar-04" and parse it into a calendar object?

i've finished my software and i wanna make a setup.exe how i can creat that file

I was wondering what steps need to be taken to view certain pages after the installation of Java? There are certain sites that I go to and the pictures will not come up on my system, however I have been able to view them on other computers.I have gone into Tools, Internet Options, Security and ...

Hello,We usually develop our projects with the Excel documents supplyed by our client in our company,so I want to make an Java program to access data from Excel files directly.But Excel file destn't belong to DataBase table,how can I use JDBC-ODBC to access the Excel data?Thank you in ...

Yesterday, i downloaded J2SE 1.4.2_04 and found that my projects don't start anymore. so i recompiled with the new SDK, but it still doesn't work:Unexpected Signal : EXCEPTION_ACCESS_VIOLATION (0xc0000005) occurred at ...

Hello,I am trying to use an HttpURLConnection with a long url (2000 characters). However, when I attempt to make the connection (.connect()), I get an "illegal character in URL" exception because the url is too long. (There really aren't any invalid characters) How can I overcome this ...

All, I have a very socket intensive program with a server and multiple clients with anywhere from 25 to 50 sockets on the server open at once. Under a load condition, I am getting partial reads which then throws off the rest of my communications because the expected size is not read and a ...

Hi,Can anybody help me to find flexible graphs with java script?. I am using Oracle 9i as my database, jsp and ejbs...Thank you.

I miss Enum.VALUES in SDK 1.5 Beta.Or how can I reach enum values, for example to program a next() or previous() method?

I'm having running a program in my jar. It seems to be a problem with my class path as when I run my jar with this Command linejava -jar ClientTest.jar -hI get the following errorException in thread "main" java.lang.NoClassDefFoundError: org/apache/log4j/Loggerat ...

Hi, Is there any scheduled date ofr jdk 1.5 realese? where can I follow up the same?Thanks,jay

I wish to include cpu and memory usage monitors in an application but i don't know any way of obtaining that info.Does any one know a way of doing it?

pls help me

pls help me

pls help me

I recently bought a new computer and installed JSDK 1.4.2 along with JCreator.My files compile correctly, but when I execute them it only shows an empty window. The window is the correct size that I specified, but there is nothing but gray inside of it. The program works perfectly, I can click ...

Hi!I am trying to compile a class which implements an interface, so I have to override all the method in the interface, haven't I?Well, there is only one method in this interface:public class Call extends Frame implements ActionListener {//....void actionPerformed(ActionEvent e) { but I got ...

Hi,I have a question regarding client and server MulticastSocket. It seems like when we create the server part, we use the following:InetAddress group = InetAddress.getByName("230.0.0.1");Then the client can connect to the same class D IP address (ie 230.0.0.1)Then, if the server sends a ...

When I install "jdk1.2.1" in Windows NT and Windows 2000 Advanced Server, I am getting error message" 'Javac' is not recognized as an internal or external operable program or batch file". In the properties of ".java" file it says "unknown application".I set "class path" and all enviroment but ...

I need to copy a file (its a url from a website) to a file on my computer. I am trying to figure out how to do this. I found code for copying it with bytes but that messes up the file somewhat.... I want an exact copy of the original file.code is highly appreciated. thanks, ...

I'm working under the following system:07:08:00$ uname -aLinux dragon 2.6.4-gentoo #13 SMP Fri Mar 26 01:42:12 EST 2004 x86_64 5 GNU/Linux[linguist@dragon] sl=1 /usr/src/linux07:13:18$ grep . /proc/cpuinfo /dev/null /proc/cpuinfo:processor : 0/proc/cpuinfo:vendor_id : ...

I don't know if this question could be a bit stupid but,...How can I get a .exe file from my .class files?,in order to run the application anywhere.Thanks.

I have downloaded JDK 1.5.0-beta which solves some of my MIDI problems but introduced a new one. The default sequencer seem to playback a loaded MIDI-sequence approx 30% too fast. Has anyone encountered the same problem?Running on Windows XP Pro 5.1-SP1

hello this i am going to implement in jsp..... the thing is just user will enter some values which i will get by using getparameter() from the .jsp page and that value i will fit in between these given xml tags which is already predefined.....just i have to create a file with the name of xml ...

hello this i am going to implement in jsp..... the thing is just user will enter some values which i will get by using getparameter() from the .jsp page and that value i will fit in between these given xml tags which is already predefined.....just i have to create a file with the name of xml ...

Hi,Does anyone have any idea if java codes/programs works the same in win 2k and win xp?Thanks a million!Britius

Hello friends!I develop application for WPAN controlling. Everything works ok except one moment.I have frame (byte array) which include IP address, type of operation, id parameter. Then I send this frame through the sockets. So all frames are sending and receiving properly except one.Here is ...

I'd like to know how can I implement Comparable or if there's another interface which allow me to compare objects from differnts field... like to sort a book and choose if sort them by title or by author.Thanks a million

1) I would like to create a folder under a directory2)then i would like to move all specific file types(say *.txt) to this newly created folder3)then i would like to zip this folder.how should i do that all in java?please help. this is urgent.Thanks. ...

I recently attempted to upgrade to the newest version of the java sdk (1.4.1 to 1.4.2 or whatever is current). From the instal message it sounded as though i needed to uninstall the older java. So I unistalled the old sdk and then installed the new one.Since then i haven't been able to get the ...

Hi,I have a small Java program that imports Oracle.sql.* and Oracle.jdbc.*.It establishes a default connection and converts a String[ ] to Oracle.sql.ARRAY type.As per Oracle documentation, I have added paths of required .zip files in CLASSPATH variable.Though I am able to compile the code, but ...

I have this question.how many lines of debugged code does java profesional with 3-5 years of experience write a day. what amount of work you do in one day? what is expected from you at work?you can post any code that you created today. i am a student at coumputer science and it takes me long ...

It was due out on April 4th, 2004 according to some old Sun docs I found but that date came and went. When are we expecting a release?Thanks,Gili

I am using JBuilder X,when i change my jdk to 1.5,it shows below:"MainPanel.java": cannot access javax.swing.JPanel,bad class file: C:\tools\j2sdk1.5.0b1\jre\lib\rt.jar\javax\swing\JPanel.class,class file has wrong version 49.0, should be 48.0,Please remove or make sure it appears in the ...

Hi, When i compile java program on linux its gives an error " Cannot Load Native Threads" i had set path as well as classpath variable.can any body help me whats the error about and how to rectify it

Hi I'm having issues with the GregorianCalender class. I am trying to enable daylight savings time but it doesn't seem to be working properly for. As a test I have taken the difference of time (in milliseconds) between a date where daylight savings causes a shift in time (April 4, 2004 for ...

I have a long string which includes " how do I put this into a string as String s = " he said "hello"..." ;obviously doesnt work

Hi,Is there any reason why Class.ForName("ClassName") would generate a "cannot resolve symbol" error? I tried using it in a test project where it worked fine but when I try the same line in a medium sized project for uni I get the above compilation error.Any help appreciated(using 1.4.2)George ...

I have a scenario where my program would be receiving a URL string which points to binary data - could be a *.jpg, *.doc, *.pdf, etc. file. I have to read this URL's content and save it to a file on the hard disk.I have tried using BufferedReader on the URLConnection.getContent() but this way, ...

how can i make a glassPane transparent?here is the part of my code that creates itJPanel pGlassPane = new JPanel();JButton b = new ...

Hi Everyone,Should an outer class directly access the private member variables of its inner class? Or should it get their values by calling an appropriate 'getXXX()' method?Just wondering.Thx.

Does anyone know how to update netbeans ide to work now with 1.5.0 if I uninstalled 1.4.2? it seems not to work ok. thanks!

Hi all,Wish to asked if there are any ways to make an applet (written in MS J++, visual cafe) comply with Sun Java? Doesn't seems to when running on Sun Java in IE.\Thanks so much!!!! =)

I need to read from and write into a same file multiple threads.How can we do that without any data contamination.Can u please provide coding for this type of task.Thanks in advance.

Hi,I met the same problem: " have a servelt java file and when I try to compile its giving the following error:C:\Shopping1\WEB-INF\classes\BookShoppingServlet.java:7: package javax.servlet does not existimport javax.servlet.* "It is said that the Servlet API is part of J2EE. Either you need ...

Hi,I have a txt file that looks like this:1 sds sdsdf d dfd 43342 ww asdfgg ww 43343 dsf fdfdfdff fdfd 44344 ww wwww ww 4343Now i want to print this txt file to GUI. My code:private JLabel labela = new JLabel("");try{BufferedReader in = new BufferedReader(new FileReader("filename.txt"));String ...

How could I get the used rates of cpu and main memory in Windows?