Dear sirI stuck to this trap for a few day. And don't know why my code not work.I want to shutdown mysql server by execute command"mysqladmin -u root -p shutdown"after call this command I must provide password.But after I wrote outputstream to Process. It HANG! (Do nothing and still in task ...

Problem installing Java 2 SDK SE v1.5.0OS W98 SE.Downloaded jdk-1_5_0-windows-i586.exe on 16 Nov 04. Size 44986kb.Clicked the above file and installation started.Asked to accept license agreement ?accepted.Msg: Please wait while the Install Wizard installs Java 2 SDK, SE v1.5.0. This may take ...

Hello everyone ... I know this will be a pretty simple problem for some of you, but keep in mind that this is my first course in Java, so I am sorry if this question is dumb.We have been studying methods, and are just now starting to write our own user-defined classes to create our objects ...

HiI have two versions of one library (jar file) and I need to support exclusively both of them in my code (firts version or second). Both versions have different APIs (e.g. method names, parameters ...). Since the Java doesn't have a preprocessor, I can't just use something like #if ver = ...

HelloSimple question (not sure of the response) : I think that the following code means that two concurrent threads cannot execute at the same time the lockedObject in the synchronized block, is this exact ?To be more precise, this scenario is possible ?: 1. ThreadA lock lockedObject and ...

Hi, where can I find books/ tutorials/ any other source of material about Java 1.5? I'm interested primarily in the new language features: generics, enumerations and so on. Thanks.

hiI am using Jbuilder x 10 and have installed JDK1.4.2 which actually comes with jbuilder. I was given a program from my university lecturer who told me the program works in jdk1.3 and that I have to get it to work with JDK 1.4. here is the problem I am gettting. If anyone can help it would be ...

hi everybody...im a beginner to java..this is my assignment:i was requested to develop a web-based application that use java..im not expert in codes so i think i need java tools to help me so i can basically develop from the design. requirements:database - MySQLserver - LINUXi wonder can i use ...

Hi,we are using jdk.12 as front end and oralce 9i as backend. We now upgrated the backend as Oracle 10g and we are now using oracle 10g jdbc driver. We are using the resultset interface in our project. It asked for the some updateref, geturl methods to implement. So we upgrated the resultset ...

Is there any way to Install the SDK on a system from a batch file(using the .exe) without asking the user where to install it and to accept the license agreement?I would like to install the SDK as part of the installation of a bundle of software that I am producing, and I don't want the user ...

I wish to invoke a method to override the ArrayList.get() method. I wish to return the top card within a randomly shuffled pack of cards. This is ok if i use an arraylist and then arrayList.get(0), but i have created a Deck class which uses a deck ArrayList to hold cards.If i invoke my own ...

Hello guysIs there any way to save the users preferences in my application for later use?for example the user clicks tools >> options. and there he/she choose one of three choices and this choice must be saved for the next use.

If I want to connect my java application with a website, where should I start. Can I begin by designing an Html file, to connect it later with my java application with will be in turn connected to a database? Or does java have some way to create html pages and connect them to internet?and ...

We are currently on Chapter 9 - Inheritance in my CIS 201 class at school. There were three new things introduced in the last part of the chapter, all of which I have yet to grasp. Inheritance was smooth ... but I don't understand#1) Keyword 'this' ... what its used for, the difference ...

hi i write program by jbuilder9 and execute this........i want remove jbuilder icon from this .exe file and put custom icon.......how can i this work?please help me........thanks

Anybody know where the stub library is for building OSX specific code on windows (i.e the Application class).Ive seen it before on the Apple Website but having been looking for half an hour now without any luck

I've written a simple Enum, shown below, that uses a "constant-specific method" as described in http://java.sun.com/j2se/1.5.0/docs/guide/language/enums.html. I am using the J2SE 5.0 SDK for Windows.public abstract enum Color {RED() {String getName() { return "RED"; }};private String ...

Hi,I just downloaded the j2se sdk 1.4.2.i have the sun application server.the problem now is i dont know how to start to build a jsp/servlet application. Can anyone help me?thanks a lotregards,Jack.

hi,when i run asant build in c:\j2eetutorials\examples\web\date, and error occurs=>BUILD FAILED. file c:/j2eetutorial/examples/web/date/build.xml:55 c:\lib not found. how to solve this problem?thanks alotregards,Jack

Hi guys,I am going for an interview. Can you please help me on these topics or suggest me a good url to study ?1. About Hashtable , Vector, ArrayList2. When to use these ? comparison , pros and consCheersIndyaRaja

I'm in the middle of making a java application that solves a 2D maze obtained from a text file, the text file contains x's for walls and white space as space. I want to read the characters into a 2d arrays (rows and columns), so that if the maze is 40x30 then it reads the first 40 into an ...

Dear community,where is possible to get j2sdk-1_4_2_02-linux-i586.bin ?i need to install jre on FreeBSD from ports, so needed this binary.Thank you.

I've gone here ( http://java.sun.com/products/archive/jdk/1.1/ ) and downloaded the zip file but all I get is HTML files about the API and examples and other documentation. Where do I get the compiler (javac)? or have I gotten everything totally wrong?I would appreciate any help that you could ...

Hi,What has hapend to javac in jdk 1.5? It is able to compile just 1.5 bytecode version. You'll get "javac: target release 1.x conflicts with default source release 1.5" (where x < 5) message otherwise. No source is compiled. ?!

Hi! I just started to use eclipse ide and i notice some of the window is not displaying correctly. The buttons are just too big and if there are lots of button on a dialog, the right hand side buttons will not be displayed. Has anyone have the same problem as well?Besides this strange window ...

hiFirst, I cannot access images I do not include the absolute path, and I want to create an application that will be used on many machine that have different paths, isn't there any solution?Second, I installed the Morena library, compiling it with Net Beans indicates javatwain error. the ...

i am fresh to j2se,now i am puzzled by the doc tool.how can i use it,and why i should use it?thank u(in advance)

hi, I just installed Java sdk 1.4.2_05 for itanium in my server, after installation the java seems like running in tha background and taking up 99% of the processing power and slow down the server. although i have killed the process, but i just a bit curious on why it runs at the back ground ...

I just read the tech tip regarding the new covariant return types in j2se 5.0In the doc, it said that you can now compile two methods with the same signature but with different return types. I was wondering if anyone knew how this would affect what the following expression returns: ...

I am using the following version of the JDK -java version "1.5.0-beta"Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-beta-b32c)Java HotSpot(TM) Client VM (build 1.5.0-beta-b32c, mixed mode)But I cannot find the new JConsole tool in %JAVA_HOME%/bin or anywhere else.Has it been ...

How can I make a BROWSE button that shows the user their harddrive and has them select a folder or file?

Hi,I am using java.util.io package File class to create an instance as following:File f = new File("\\\\dctm-app1\mydir");where dctm-app1 is a machine on the network and files and "mydir" is a directory. Now the code works on my development machine which is using JDK 1.4.2, but when deployed on ...

HII work with jbuilder9............I writing program that use into from "Windows Tray Icon" packagefor show icon in system tray of windows.When i run program into jbuilder program right work but when that i execute program (build .exe file) program not work!?(I put .dll file into classpath)(I ...

Simply I have the application below, and I want from another application to check the value of the integer (action). how can I do this without doing this :Properties prop = new Properties();which opens the frame and this is what i dont want to do.// Here Is my programimport java.awt.*;import ...

Hello, I try to execute a script ncluding the call with JAVA routines, I obtain the following message: Fatal error: Unable to load Java Library /opt/j2sdk1.4.2_04/jre/lib/i386/libjava.so, error: libjvm.so: cannot open shared object file: No such file or directory in ...

HelloI am trying to build my application on Linux using Weblogic 8.1 sp2 jars However the Build is Successful the application while building throws : java.io.IOException: java.io.IOException: javac Warning.the same build is successful without warnings if we use Weblogic 7.0 jarsPlease help if ...

I ran across the following in the java.lang.Properties code:public String getProperty(String key) {Object oval = super.get(key);String sval = (oval instanceof String) ? (String)oval : null;return ((sval == null) && (defaults != null)) ? defaults.getProperty(key) : sval;}IMHO, the first ...

Hi thereI am busy coding the section of my program that will store the user's username and password in a SealedObject.The original object is called UserDetails and has two Strings. One for username and the other for password. They are both just Strings - no special encoding or anything.When I ...

The method long lastModified() of class File is bugged, it returns a wrong time, the hours are increased by one

Language : JavaDatabase : OracleI am trying to use the following sqlselect * from EMPLOYEE WHERE EMPLOYEE_LASTNAME='ABC'ORDER BY EMPLOYEE_LASTNAMEusing prepared statment :select * from EMPLOYEE WHERE EMPLOYEE_LASTNAME=?ORDER BY ?I set the parameters using ...

hi,I just started to enter the world of programming and Java. I bought a selfteaching book. They tell me I have to download the J2SDK and the JVM.I find files for Linux and windows platform, butI am using a Mac with the OS X. What do I have to download to get started with Java and to do my ...

i couldn't figure out the difference between java.lang.system.load() and java.lang.system.loadLibrary().thanks in advance for any help.

Alright ... I took a test today in my Java class, and this question was on the test. I feel as if I got it right, but I wanted someone elses opinion on this. Pasted is the question and my answer.1. ModularityModularity is an important aspect of Java. By using modularity, we move away from ...

HelloI was trying to understand how the code in the mentioned book works, so I compiled a 3 files example, and it was ok. but when I want to execute the main (WebBrowser.java) I got an exception in thread Main. Any Help?

Hi,The program that functioned in windows did not work when ported into Solaris. Java gave a java.lang.NoClassDefFoundError in Solaris., not finding the Timer or TimerTasks class. Yet, I checked the rt.jar's contains the Timer and TimerTasks just in case my install did not do it right. Both ...

I am using the SimpleDateFormat to reutrn the number of the week in the year. But I think I may be using it wrong. As everyone knows there are only 52 weeks in the year, but when I check the week number that was returned to me, I am getting 77.Here is my code:import java.util.*;import ...

Just wondering why Java didn't implement operator overloading as have just converted a quaterion camera from c++ to java and the maths equations in java is just painful. Was there a good reason for leaving out op overloading?

I want to know the ip address of the client who are accessing my app server.how to do it.

Hi All,I'm trying to use jstat / visualgc to look at the application we're currently developing which runs on solaris with jvm 1.4.2. From what I have read in the documentation I should be able to use visual gc [pid of jvm]@[ip of machine] to connect to it. However I get a connection refused ...

hi,Why clone() in Object Class is protectedWhy finalize() in Object Class is protectedWaiting for your replysuresh