Hello, Please see the two java files that are working fine, but I need to add actionlisteners to RectangleButton.java file, Could any one please help me? Getting text from textfield of superclass into the a string in the sub-class is my problem.1st Fileimport java.awt.*;import ...

How can I covert an Class file (.class) to EXE (.exe for windows platform) while using J2SDK? Please tell me the complete process. I really need this as early as possible.

Hello!I am an Italian student who studies Computer Science at Pisa University, and I am developing some projects in Java using Java 2 Standard Edition (J2SE) and Java 2 Micro Edition (J2ME, for MIDP 1.0 compliant devices). I need to know if there are some Java API (for J2SE and J2ME) to send ...

Can somebody tell me when exactly JDeveloper 9i is going to be available?

Hello!I am an Italian student who studies Computer Science at Pisa University.I am developing a project in java and I would like to create a program that let me to emulate an HTML form.For example, let's suppose to have the following form:<FORM NAME="Example" METHOD="POST" ...

Hi there,I am using Windows ME operating system and require to download the compiler for Java. You will have to escuse me as i am totaly ignorant and don't know anything about Java at all. If anyone out there would like to guide me in the correct direction that would be most appreciated. I ...

Hi I have a problem to read cobol compress fields into javaso is there any method to read Cobol Compress File.?

I need the Solution, Is there any API's Available to do so.Ofcourse The .dll is a Microsoft Visual Basic Product.

DatagramChannel.receive() appears to have a peak rate of about 6000 messages.Bug 4463693 ("Performance of DatagramChannel.receive should be improved") is very sparse. A fix is mentioned in merlin-beta2.I suspect, but don't know, that this hasn't been released yet. Does anyone know when this ...

Is there any method by which programmatically we can find if a class is serializable?

i want to install JSDKEE over JSDK installation.how do i go about this? can i just intall it on the same directory (and overwrite some of the files)? can u guys point me to a web help guide regarding this one?

Hi!How come none of the functions of my inner classes are documented when I use javadoc to generate a doc?ThanksChoub

I' ve played with the new DnD features of the jdk 1.4 beta.I tested the DnD of filenames using the WindowsExplorer as DragSource.It is possible to get the filename when the user drop the file onto a java.awt.Component.Now my problem:Is it possible to get the DragSourceContext while dragging?I ...

or the windowNT4.0 on my PC?I cannot compile my Java appication anymore after I ran the realTV program (one night ago)the compiler is jdk1.3.1 (standard version).following messages showed up: the symbol ####(one of classes) cannot be resolved the class ### location cannot be found.... ...

Im working on a J2ee project with servlets, JSPS and EJBs. We recently switched from using SDK 1.2.1 to SDK 1.31, as we did this in our development environment (Windows NT) everything worked fine but when we did the same in oour production environment (Solaris) the scandinavian letters started ...

Hi,My requirement is to read data from an Excel file, play around with the extracted data, and write the result back into another Excel file. I don't want to mess around with BIFF8 formats and stuff like that.Is there any readymade tool available (i mean an API set) which provides me with the ...

Hi,I use JDK SE 1.4.0 on WinNT and with Servlet connect to database. I connect with JDBC driver JConnect 5.2. (database - Sybase, Adaptive SQL Anywhere Server 5.5.0 )Following the instruction I change CHARSET parameter of connection properties:java.util.Properties props = new ...

Hello !I have an application developed on Windows 2000 server but now i want to run those class files on MAC but very straightly, i don't know about the environment of MAC X. Can anybody help me by giving a URL or step by step explaination? Do i need to install jdk1.3 on MAC X? If yes, then ...

HiI have some problem executing class file under UNIX. I have a directory under UNIX,/home/user1wherein I have placed a class file say "JavaProg.class"I execute "java JavaProg" from the above directoryand it generates the desired output. Now, I have another directory,/home/user2wherein I again ...

anybody know why j2ee won't start ?port 1050 is not in usethese are the error messagesC:\>j2ee -verboseJ2EE server listen port: 1050org.omg.CORBA.INTERNAL: minor code: 1398079697 completed: Noat com.sun.corba.ee.internal.iiop.GIOPImpl.createListener(GIOPImpl.java:256)at ...

hianyone knows whether java sdk 2.1 runs on solaris 8?cheersmike

Hi Techies,Is there any easy way to generate html output using servlets. my project consist of more than hundred servlets which will output html content after server side processing. I feel more time is wasted in writing code for generating the html content.is there any tool which converts html ...

HelloI have downloaded the jdk1.3.1 and I want to compile a servlet so I have downloaded the j2sdkee1.3 as well as this has the servlet classes. When I try to compile a servlet it cant find these classes. I have also downloaded the servlet.jar file. How do I link all this up so that I can ...

Is there a cross-reference showing what versions of the API's are in different SDK versions?For example SDK 1.3 contains EJB 2.0.This must be simple, what am I missing?

This is John Zukowski's book.Can anyone who has the book tell me what the last word on page 245 is?This would be very much appreciated.Thanks in advance.

Hi,I have installed the JDK1.3.1 and Netbeans 3.2 rc 1my problems occur when running programsi can run all programs by typing:/home/soho/jdk1.3.1/bin/java ProgramName(In directory containing ProgramName.classhowever if I try and run programs with simplyjava ProgramNamei get errors complaing ...

Hi All, Yesterday we were discussing. wether it is possible for a thread to be active even after the main method, from which it was spawned, exits.any comments?

Issue 1. The ByteBuffer class defines methods that can create views of a given ByteBuffer such as:CharBuffer asCharBuffer()DoubleBuffer asDoubleBuffer()LongBuffer as LongBuffer()... etc.Why is there no corresponding method in the view buffer classes to create a ByteBuffer view? The NIO class ...

I want to write an application with an windowbeing always on top. Thus, any other windows will not cover it. Does anyone know how to achive this?thanks

i am trying to compile advanced java program.which has this line.import javax.servlet.*;compiler is not able to find the javax.servlet package.i have jsdk1.3 and also j2eesdk1.3 installed on my machine.can i get some help regarding this issue.

I'm really having a hard time here. I have installed, uninstalled and installed again SDK1.3.1. I've updated my autoexec.bat to look as follows and I still get cannot execute c:\jdk13\bin\java.exe when trying to do the -version command. I'm running Windows ME. Any suggestions? SET ...

Thats what the compiler tells me, though it finds javac with no problem in the jdk1.3.1 lib directory. Any clue to what I'm missing here? Thanks nt

Hi,I've got to port a softwarefrom jdk1.1.8 to jdk1.3.Has anybody experiences in that? especially concerning swing components?regards,Ulli D

Where can i find a history of JDK releases (version and date of relase) ?I am looking for a similar release history for Servlet spec, JSP spec, JDBC spec and EJB spec.

I have followed the instructions from the sun website but when I try to launch HtmlConverter it produces the following error message. My OS is win95.command line entryjava -jar htmlconv1_3.jar -guiErrorfailed to load Main-Class manifest attribute from htmlconv1_3.jarI have tried launching it ...

Sorry,my English is very poor.I have a question:Where can I get the Doc about com.sun?Thanks

I allocate a Vector,X, and a JFrame in a signed JApplet.After JApplet calls JFrame to do something, itexecute X.wait().When JFrame finishes, it execute X.notifyAll().As a result, the program pops up "java.lang.IllegalMonitorStateException".Does anyone knows how to fix this error?Thank you very ...

Hi,When I try to compile using javac, I get an error as stated below:Error loading: y:\sys\nt\j2sdk-1_3_1\jre\bin\hotspot\jvm.dllWhat am I missing?Thanks

Hi all,I have set up all path and classpath correctly in my Win Me machine.I have executed the same things successfully in Linux also.Now when I start the j2ee sever ,I am getting an error message "Out of Environment space".Please help.RegardsRavi

Hi,I am having this problem of slow displaying jpg image (~120kb - 576 x 432 pixels) in my application. I checked whether it is the loading time by using a check on image height and width != -1 (and also by using imageUpdate method). I found that the loading time is quite fast but after the ...

we are implementing a swing application. the client need the deployment package in floppy(can number upto 4 numbers) , not CDROM. How can i possibly pack the JDK into this size. Is there any way by which i can find out all the classes that need to be used in my application so that i can remove ...

Hi,Is it possible to download the source code of the new JDK (1.4)?Thanks,Shai

Look at the simplest possible java program, printing "Hello!". It sometimes crashes with message like this:% java helloHello!****************Another exception has been detected while we were handling last error.Dumping information about last error:ERROR REPORT FILE = (N/A)PC= ...

I've got merlin-beta (build 1.4.0-beta-b65) which has been out for quite a while now. Is this the most uptodate beta release? (I *really* wish the download pages would contain information like which specific version you're getting -- I don't want to redownload it just to discover it's the ...

I've developed a signed applet and have a "x509.cacert" certificatefile. During developing and testing the software, I manually install the file in IE. Thus, I enter"Internet option-->Content-->Certificate" and import the "x509.cacert" file manually.Now I'm going to release the software ...

i met problems about JDK on linux, my running environment is: . Redhat Linux 7.1 . JDK 1.3.1 i d/l'ed and installed JDK by defaul setting, JDK lay at /usr/java, i appended the path /usr/java/jdk1.3.1/bin to PATH environment variable, "java -version" is ok, "java -jar SimpleExample.jar" and ...

there are 100 properties in a databean.I want to put all properties' name into an array,so that I can dynamicly use this array to get the property's value by following program.how to do that?thank you very much.

Hi folks,I have here a Linux Server on which Red Hat 6.2.2 (High Aviability Server 1.0) is installed and runs fine (Kernel 2.2.16-4, libc 2.1.3).I have installed the latest RPM for the JDK 1.3.1 and the installation runs without any problems.But, if i try to compile any java source, the javac ...

Hi,I'm using Win2000 Prof platform for development. The Locale and Language in "Regional Options" were set to "Typical Chinese (Hong Kong)". When I use JDK1.3 to compile my Java programs, strange symbols and Chinese will be displayed if any output messages (e.g. error messages) are generated ...

How do you do to create a jar file containing path information to a directory being the one you are runing the command from.To be more clear, let's say you are in the dirctory/dir1/dir2/dir3and want to create example.jar with path information to /dir1/dir2/dir3 as the classes in the directory ...