When we implement the interface ,we have to specify the implementing method access specifier to be "PUBLIC" ,but not "PROTECTED" or "PRIVATE".Compiler is giving an error -- attempting to assign weaker access privileges ,when we specify protected.what is the internal reason for this?Why we ...

Hi,My current task is to take a file structure which includes an index.html file that points to another index.html file in a subdirectory "media", the second index.html file launches one of many swf files in full screen.I have been trying to find a solution to bundle all the swf files in the ...

Is javac.exe part of the jvm ?

Please tell the latest supported versions of both JDK1.4.1 and JRE1.4.1 on Windows 2003.If no support is there for 1.4.1 versions then are there any higher versions.we have to port the application from Windows2000 to windows2003. On win2000 it runs fine on JRE1.4.1.But on Windows 2003 it is ...

My Java application works with 1.4.x versions of java.If I use 1.5, the following error is thrown :java.lang.NoClassDefFoundError: org/apache/crimson/tree/XmlDocumentI compared the jar libraries in 1.4.x and 1.5 and found that the xalan classes are missing in 1.5.What should I do to correct ...

Hi,I'm Java junior programmer .I using Panasonic KX-HCM 270 network camera and Nokia 6600 i need to do a cell application to be able to view camera images on Nokia cell.If i try to do this, i wish using the same application to comand panasonic camera.I'm looking for any help, suggest and ...

Hello,Little question: what is the disadvantage doing an import * instead of a import of the precise class we need.For example, if I'm using only a Hashtable, is this really bad to do an import java.util.*; instead of an import java.util.*; ?ThanksLudovic

I get a resultset after querying a SQL on the database. This resultset is very big and I want to divide this resultset into 4 parts and run 4 threads to process the 4 parts. How to do this? This will happen in a batch job as a background process in the night batch ...

Dear sir,I have created a GUI network s/w with the help of Java.net,java.util packages,when i run the application the GUI simply hangs.Is there any problem with the new Beta version of tiger jdk1.5, since my application is working fine in jdk1.4 version.Please help me.Regards,Narasimma ...

Hello post readers,I am having a problem installing the J2SE SDK. The error that comes up when installing is as follows."Error 1311. source file not found :\documents and settings \irfan\local settings\temporary internet files\content. IE5\LHMX GoMK\ Down [ I ].htm. Verify that the file exists ...

Dear Sir,I'm getting the following error while compiling the java file.The code is also given.package test;public class TestRowSet { public TestRowSet() { }}"TestRowSet.java": cannot access java.lang.Object,bad class file: D:\Program ...

Hello,I've got Sun Studio One for a free trial period (90 days) and I can't start the application server. The domain is always invalid.How can I do please ?Thanks !Sorry, I'm not sure it's the good forum...

I have a list of MyClass, and I want to turn it into an array. I try:myObjectList.toArray(new MyClass<String>[myObjectList.size()]);But Exclipse 3.1M2 complains that I "Cannot create a generic array of MyClass<String>." I change to:myObjectList.toArray(new ...

Does j2se1.3 pssess an inbuit logging Systems ? If not, how to implement it ?

How to do Logging and Exception Handling ?

Hiafter insatlling j2sdk1.4.2, when i try to give the command jar -? or javac -? from outside the bin directory of javahome, Error ocurrs as "'jar' is not recognized as an internal or external command, operable program or batch file."The class path set is ...

What are differences for Java Standard Edition and Enterprise Edition. And which of them is better for new user?

Can someone please try to compile these two classes under JDK 1.5.. the same exact code compiles under 1.4.x...import javax.security.auth.spi.LoginModule;import javax.security.auth.Subject;import javax.security.auth.login.LoginException;import ...

I have a java application which is responsible for auditing a separate java application, and a c++ application (neither of which it has Process object's for) If i want to kill either of these processes what is the best way to do this from my java application? A native call? batch script? can ...

I'm experimenting with cell renderers for JTables.I tried to add a renderer so that I could change the colour of the text that is displyed depending on whether or not data has been selected. Once the renderer has been added, all that happens for that column is that no data is displayed and the ...

I successfully installed JDK5.0 on my Wndows2000 (SP4) laptop, but when I started using it to compile even the simplest Java program, I got the following error:The system is out of resources.Consult the following stack trace fro details.java.lang.OutOfMemoryError: Java heap spaceI am stuck here ...

Hi All,I am initialising LogManager in my application and creating several loggers, depending upon my application module. I am unabled to print anything in the log files or the console. I am puzzled, 'cause I am doing the same thing in another application and it is working. I would really ...

Allright, i having an installation problem, when i finished download JDK 1.4.2(J2SE SDK 1.4.2 CURRENT VERSION [j2sdk-1_4_2_04-nb-3_6-bin-windows] ), I've failed to install, i don't know what's the problem, but there was a message appeared, that's -> CreateProcess failed -> %1 is not a ...

Hi. If anybody has a minute, I think I remember having problems with havng two versions of the sdk on the hard drive. I was thinking of uninstalling 1.4.2 before I install 1.5 but I do not see an executable uninstall file. Is it ok to install 1.5 under a different directory while leaving 1.4.2 ...

same static variable and same static method exists in two diffrent classes, while importing these two in my own implementation class follwing different output is coming why? Using j2se version1.5while using variable imports likeimport static package.Class1.variable1;import static ...

Greetings to all,I am having problems with my JDK 1.5 install. I have downloaded the appropriate file and run the install and the install runs without a hitch. However, it appears as though I have the JRE only as I am missing tools such as javac.exe and javadoc.exe.The file I download from the ...

Hi! why people are always going for Client side validation instead of Server side validations?.what will be the advantage of doing client side validation?Thanx-Sasi

I have a server running on java and client running on c. The client may send me data in chinese or english. How do i decode and encode the strings? When i try to display chinese unicode character on the screen ? are displayed.Please help me. Thanks in advance

Hi, I'm trying to parse a text file and create another text / XML file based on the structure of the input. I would really appreciate any help.Bellow is a part of my input and i'm intrested in parsing the input and find the Element Name and the links inside that element. Then based on the ...

Hi,Here is my problem : public class test {public static void main(String[] args) {int val = 169, val2 ;byte test = (byte) val ;val2 = test ;System.out.println("Value of "+val+" is "+val2) ;}}prints: Value of 169 is -87I found this solution:public class test {public static void main(String[] ...

I've sucesfully compiled java source files (*.java files) over a lot of different encodings (ANSI, Unicode, UTF8, etc). My IDE (Eclipse) has Cp1252 as default on WIndows OS. There is an 'official' encoding for source files ?

Hi,I am working on a project that needs to identify a particular String from another String, however, the location where the match will occur is unknown. For example, I would want to identify a line that includes operators such as "++" or "--".if (Pattern.matches("++", lineSplit[j])) { .... ...

Hi,I have installed jdk 1.5.0 and cannot find jarsigner to sign my jar application. What has sun done to the exe file?

I am trying to write an application that grades a second application for the intro to programming class. In order to do this it must start the second app (which is not hard) and then obtain the handles of components that a user would normally interact with, such as Buttons, TextFields, ...

Hi guys. I am taking a dbsystems class at school. We are required to connect to the schools oracle db using this package: oracle.jdbc.driverthe code provided by the profesor is meant to be used by logging into unix accounts on the schools servers and running our java programs remotely. I've ...

I have a text file that contains numbers & characters stored iin a particluar format something like this20041001080061 180 200410080000 1 ()2 90 200410010900 5 ()3 180 200410081700 2 ()4 600 200410081700 1 ()5 360 200410081700 2 (3,4)6 10000 200410081600 4 ()if i use datainput stream to ...

[IMG] http://img3.exs.cx/img3/8571/error27.jpg[/IMG]The one in red is the one i am having prob with....below is the codes for the JPanelprivate class DetailsPanel extends JPanel{JLabel speedLabel = new JLabel("Simulation Speed");JLabel timeLabel = new JLabel("Elapse Time");JLabel speedTag = new ...

is there any class or method or even an interface to getthe screen resolution of the working platform ?thanks in advance

I'm trying to install the sdk with netbeans which i downloaded from the sun website but I keep getting the following error:WARNING: M:\ partition has insufficient space to install the items selected. 39.7 MB additional space would be needed to install the selected items.I'm trying to install ...

can i change the cursor color beside changing its type ?

I am trying to make a game, which will involve going around and fighting things, ect. The important part however, is the fact that I would like to have a set of boards, one from each text file. however, I really only want to read one 100*100 array of ascii (or whatever .txt files are saved in) ...

When UserDao.java is compiled , the following error is displayed.classpath is set to net Package;QuerParser.java is compiled succesffuuly.UserDao.java:29: cannot access ecnet.ism.efc.utilities.parsers.QueryParserbad class file: ...

Hi, I am trying to get static imports to work with asimple sample project. It consists of 2 classes, both in the same package (the default package - means no package)./class1/class2The static import of class2.*; in class 1 fails withcannot find symbol // symbol: class Class2 // import static ...

How can i find whether java is installed on my win xp system or not USING java? Also is it possible to find the same in linux. Im using JDK1.4.2? Please help and thanks in advance.

How can i get process id of the java program being executed in the unix environment programatically .

Hi,I have to read the MS-WORD .doc file into a String and perform text operations on it. I might even need to save this string to a file. Basically i want to convert .doc file into .txt file.To do this I found 2 products, viz:1. POI by apacheand 2. text-mining0.4 by www.textmining.orgi am ...

Hello,i ahve this piece of code which works but i need to tweak it so that it counts only chars and not integers. Any help is appreciated....ry {FileReader file = new FileReader("GoogleKey.txt");// Open the file.input = new BufferedReader(file);//StringBuffer adam = new StringBuffer();// Tie ...

i have downloaded Xerces-J-2_5_0, i have the jakarta-tomcat3.3.1 on widows XP and j2sdk1.4.0the problem is not knowing how to use the classes in the Xerces,please help me.thanks

Hello, I have Java j2sdk1.4.1 as the default java mahine. (i.e. the java command works from any directory)but i have also j2sdk1.4.2_05. my question is, when i open the bin directory of the j2sdk1.4.2_05 and type : javac myfile.javawhich compiler will work?

GreetingsIn the past I was developing a software that needs to open the Twain software, I searched a lot to find only the commercial Asprise software that expired after 30 days.Now I need to continue developing my software, and I want some way to open the Twain Software, and allow my ...