Hi all,I found an interesting quirk, recently. I've condensed the problem into the following simple test class.public class Main {public static void main(String[] args) {final boolean myBoolean = args.length > 1;if (myBoolean) {final double result = doIt();}}public static double doIt() ...

Hi,I have the same old same old javac not recognised as internal or external command etc issue.I have followed all the instructions on solving this issue, i have reinstalled the jdk twice, the second time directly to C:/ to ensure that the space in "Program Files" wasnt causing the issue. My ...

hi alli need to know sun says that boolean has undefined size so where the value will be stored

Let me say it inother wordsCan anyone tell me the exact boolean size for JVM implementation?it is said that when you create a boolean array it is a byte array other said that it is treated like int if it is a single boolean but it reserves only one bitso please if any one has any idea about ...

hello everyoneI seek help in a problem am having.I have a package called Classes which has several classes. (ClassA.java, ClassB.java) and I have a lib folder containing three jar files which i need to compile my classes (A.jar, B.jar, C.jar).Am trying to create two .bat (compile.bat, ...

[codepublic class DeleteWindow{public class DeleteWindow{int response = JOptionPane.showConfirmDialog(null,"Are you sure?","Delete?",JOptionPane.YES_NO_OPTION);if(response == JOptionPane.YES_OPTION){JOptionPane.showMessageDialog(null, "The account has been deleted","Deleted",null);}} ...

I wanted to run HelloWorldSwing.java which is available in the tutorial.i wanted to run from linux. java is installed in /usr/java/jdk1.5The error isHelloWorldSwing.java:5: Can't find default package `javax.swing'. Check the CLASSPATH environment variable and the access tothe archives.So how ...

HelloI used to compile my code using an older version of jdk. It was definetely 1.3.1_xxx. The latest one available is 1.3.1_18 and i just downloaded it and tried to compile my codeand it gave me compile errors. I knew this code used to compile with an older versionso i have two questions(1) I ...

I've just changed from Java 1.4 to Java 1.5.With the mod to Hashtables my old code wasBoolean valid;String hour, minute, second, day, month, year;// Logic to populate the values.Hashtable values = new Hashtable();values.put("valid", valid);values.put("d1", hour + minute);values.put("d2", ...

Hi,I have a class: com/easypaygroup/UDF/employee/EmployeeUDF.javain directory: C:\dvl.home\env\jboss-4.0.3SP1\server\default\tmp\deploy\tmp43432easyweb-exp.war\WEB-INF\classesNow I want to compile my class with javac but i get the errorerror: cannot read: ...

I am getting the following error in my output lines, how to fix?java:25: <identifier> expected

After installing the Java Development Kit, I made a sample program found in the book Sams Teach Yourself Java in 24 Hours. I tried compiling it in Comand Prompt but get the error:'javac' is not recognized as an internal or external command, operable program or batch file.What am I doing ...

Hello!The problem is that when I try to import a class from com.vistech, I get a "packave com.vistech.jai.imageio does not exist".The strange thing is that I can import classes form com.sun and javax.media so I suppose the installation has been made ok.What could be the problem?Please ...

import java.io.* ;public class Avaragerr {public static void main(String args[]) throws IOException {BufferedReader xx= new BufferedReader(new InputStreamReader(System.in));System.out.println("Birinci Sayiyi girin(x)");String oku= xx.readLine();System.out.println("Ikinci Sayiyi ...

Hi I compiled my servlet program, it gives an compilation error as package package javax. servlet.* does not exsist.Can anyone help me as how to set Environment variables in windows XP. I am using java1.5.0_02 version.In which we have to set the path 1. user variables or system variables.Pls ...

I keep getting this dang error. I have never gotten it before when trying to compile everything. Here is exactly what it says.client.java:3662: ';' expected^1 errorPress any key to continue . . .any idea what im doing wrong.... I know it has to do with the name of the file but i have never ...

hi,i have a file named Test.java in package named test.Say test is located on d: and path of Test.java isd:\test\Test.javaWhen I compiled the file using command d:\>javac test/Test.javaI got the file "Test" which is a class file in test dir.but when i tried to run it using commandd:\> ...

code]private static void constructCodeTable(BinaryTreeNode btn,Stack st,Hashtable codeTable){if(btn!=null){if(btn instanceof LeafNode){codeTable.put(((InternalNode)btn).getKey(),st);}else{st.push(new ...

hi all ..... I develpoed a java project using Netbeans .The project has GUI also (JFrame and various layout ) . The project is building and running fine through netbeans .But when I tried to compile the source files (*.java files) from shell , I failed .The project has two files MainFrame.java ...

When trying to invoke a servlet i get this error in J2EE server log. Some times i was able to invoke the servlet without any error. I couldn't find the reason behind it.Can someone help me out on this? Below is the Catalina log which shows the error:-java.rmi.RemoteException: WS exception in ...

hello,I am currently studying IT at a university on London and we were asked to program a multiple choice questionaire. So far, we were only taught to do it via if/else statements. However, I keep on getting the same compile time error message. Here's the code:import ...

hi,getting problem with compilation of HelloWorld.javaCLASSPATH C:\javaPATHC:\j2sdk1.4.2_04\binHelloWorld.java source code in:C:\javaOn cmd prompt:C:\java>javac HelloWorld.javaerror: cannot read: HelloWorld.java1 errorpls help me with ...

Hi all,I am just learning how to program in Java. My question may sound stupid but I need your help. What program can I download to write java codes? Please help need it asap for my class. Thank you

I just had my computer re-imaged so all the Java I have left is JRE....but I use java to program (but am new to programing)...What do I need to download in order to get the commands java and javac to work (link please)? Thanks

Hi, We are having a bit of debate in our office about compiling code against to different external libraries.i reckon the compiled bytecode should be the same, but there are differences of opinion so i thought i would come here and see what people thought.lets say i am compiling my code using ...

I have tried changing my jGRASP compiler settings to work with C programs, but I keep on getting the following error: -jGRASP exec: gcc -g -c C:\Documents and Settings\MARK GRUSZECKI\My Documents\Pep8\Hello.c -jGRASP wedge2 error: command "gcc" not found. -This command must be in the current ...

hi,how can i compile and execute a java program using the "com.sun.tools.Main.compile()" method. pls help me to understand the reflection in it.

hi. i have loaded a file from disk but need to sort out the contents and i'm having trouble with that. pls excuse the messy code as i keep changing stuff trying to make it work.import java.util.*;import java.io.PrintStream;import java.io.File;import java.io.FileNotFoundException;public class ...

I recently wiped my drive and upgraded to winxp and now cannot get my java to compile. Installed my os to my D drive and set both path and class path. I have read the troubleshooting thread and i can do this just fine:====D:\>cd d:\developmentD:\development>javac ...

i am getting error of package not found. i have added all the .java & .class files in the package folder. can any one tell me how to compile that file

in which directory should i place my code so that it can run in the internet explorer using the BEA Weblogic Server

I'm trying to run my jsp application which imports two classes that i have saved in ROOT/WEB-INF/classes/business and ROOT/WEB-INF/classes/data. when I run the application by entering the url on the browser i get the following error. Does this mean the server cannot locate these two classes ...

Hello,I抦 creating a small compiler for a new scripting language. For this purpose I need to convert my code to java and compile the result java code. My problem is that how I can get messages from java compiler? Main things which I need is warning, error message plus line number.Any kind of ...

Hi everyone, I don't know if I am in the right forum, but I am new in writing Java coding and I am confuse on what to do and how to write the code.I have this question and I just dont know what to do:How can I write a java code in the following question?The question:40 hours normal salaryAfter ...

Does anyone has GCC/GCJ 4.1 Windows binary versionI had downloaded MingW alongwith which GCC 3.4.5 is available but it does not compile Java1.5 files due to the presence of StringBuilder classSo I had read somewhere that this has been patched out by giving support for this additional classSo If ...

I could use some help trying to figure out the source of this error so I can fix it and move on.I'm compiling my j2me code using NB RCv. 5.2. I get the following preverify error ONLY when I have "compile with optimization" and "obfuscation high" set:Preverifying 29 file(s) into F:\Netbeans 5.0 ...

I've be compiling my application with JDK 1.4 and using 1.3 for binding those classes for Objectstore. I recently upgraded to JDK 1.5 (1.5.0_06) and the binding (persist) does not work now. I get the following message for all classes I'm try to bind:Error: xxx.class is not a valid class ...

helloin working for my thesis with eclipse I have see that the modify to source code have not effect in runt-timeIn effect I have an file .class, I modify the source file .java, I compile and i go this in run with the Eclipse command <<run>> but the behavior not change.I don't lie ...

Hi,I'm newbie for J2EE platform. I downloaded J2EE tutorial from sun site. I try to compile a app which ConvertApp using the asant build comannd.I get this error.buildBuildfile: build.xmlj2ee-home-test:BUILD ...

Hello guysI'm trying to make an exe from a java code, using GCJ and SWTMy code is this: import org.eclipse.swt.SWT;import org.eclipse.swt.widgets.Display;import org.eclipse.swt.widgets.MessageBox;import org.eclipse.swt.widgets.Shell;public class TestExe {/** * @param args */public static void ...

HelloI'm making some executable files for a Java program, using GCJ.I'm developping under windows.I've succeded creating a .exe file for the Windows platform.I'd like to know if it is possible to create an executable with GCJ, but for Unix, from my Windows platform?If yes, how can I do ...

Iam new to servlets...I have been working only with core java till now..i donnow how to compile it..it says package javax.servlet does'nt exist..i have jdk1.5, j2sdk1.4.2_11, tomcat-5.5.17..plz tell me how to compile it and run it...

My name is John and I an new to this forum.Would like some input from someone on importing user defined packages - something which I am having difficulties with.As of yet - I have been unable to import any of my packages successfully. Javac cannot find them. They are in a directory with the ...

Hello,I'm struggling to explain a compiler error I've just received. I had some original code which looked like this:// Begin old java filepublic class Foo{ public String f1(int x, int y) throws Exception {if (x == 4){return "foo4";}else if (x == 5){return "foo5";}else if (x == 6){return ...

Hi all,Thanks for viewing this forum which i have posted, I would like you to go to a website which i will post and there you all need to help me.Just can you tell me which text editor he is using?the link is http://homepages.shu.ac.uk/~sgreasle/seang/Tutorials/java/1/1.htmCan you also tell me ...

Hi,I'm using encoded class files in my application. These files are decoded using my own classloader. I now introduced a new feature which should compile a part of code at runtime. The problem is that this code has imports of class which are only encoded available. Is it possible to install a ...

I'm trying to compile two scripts, one for a login and the second for the client itself, but theses are the errors I keep getting:XMLParserServer.java:7: package org.apache.xerces.parsers does not existimport org.apache.xerces.parsers.SAXParser; ^MultiServer.java:26: cannot find symbolsymbol : ...

what does this warning mean?Warning; deprecation show() in java.awt.Windows has been deprecatedwhen i wan to show JFrame it appearswhat caan i do ?

I have a java file which has the following line of codeString strOne = (strValueToBeRead == null || strValueToBeRead.equals("")) ? " " : strValueToBeRead;When I compile the file, a class file gets created. On opening the class file with "jad" (a decompiler) the above line of code is shown ...

plz help me how to take java code in a text box from the user and compile and show the result online of the code inputted by the user