Compile and run applications under win2000

Hi, everyone!
im a newbie in java. can anyone tell me how to compile and run java
applicaions under win2000 enviroment. all my applications are saved in
floppy disk.
thanks!

Install J2SE 1.4, and add c:\'Java directory path'\bin to your system path (right click 'My Computer', 'Properties', 'Advanced', 'Environment Variables')
go to your favorite text editor, load up the java files from your disks, compile them by typing "javac nameofJavafile.java", and then "java nameofJavafile" to run the program.

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How should I compile and run my jdbc application ?

I need help about how is the correct way for compile and run my application conecta.java using a driver postgresql-8.3-603.jdbc3.jar for connect to my database under Postgresql 8.1.4, . I have compiled as follow :
javac -cp postgresql-8.3-603.jdbc3.jar conecta.java
and I have compiled with sucessful obtaining conecta.class
but when I try using :
java conecta
a message display an error :
java.lang.ClassNotFoundException: org.postgresql.Driver
I didn find the cause , I try modifing the classpath onto .bash_profile :
# User specific environment and startup programs
JDK_HOME=/usr/local/jdk1.5.0_01
JAVA_HOME=/usr/local/jdk1.5.0_01
PATH=$JAVA_HOME/bin:/usr/lib/pgsql/bin:$HOME/bin:$PATH:.
CLASSPATH=$JAVA_HOME/lib/postgresql-8.3-603.jdbc.jar:$CLASSPATH.
export PATH CLASSPATH JAVA_HOME JDK_HOME
unset USERNAME
but the message is the same . I have downloaded the driver into the same directory where is sited concecta.class and conecta.java . I don't understand why netbeans works fine runnning my application. I will be glad if anybody help to me.
Thanks

Miguel231152 wrote:
I need help about how is the correct way for compile and run my application conecta.java using a driver postgresql-8.3-603.jdbc3.jar for connect to my database under Postgresql 8.1.4, . I have compiled as follow :
javac -cp postgresql-8.3-603.jdbc3.jar conecta.javaActually, you probably don't need the JAR in the CLASSPATH to compile. You shouldn't refer to PostgreSQL classes in your code, just java.sql interfaces.
and I have compiled with sucessful obtaining conecta.class
but when I try using :
java conectaGotta have the JAR in the CLASSPATH at runtime. That's why you get that exception, and that's always what it means.
a message display an error :
java.lang.ClassNotFoundException: org.postgresql.Driver
I didn find the cause , I try modifing the classpath onto .bash_profile :
# User specific environment and startup programs
JDK_HOME=/usr/local/jdk1.5.0_01
JAVA_HOME=/usr/local/jdk1.5.0_01
PATH=$JAVA_HOME/bin:/usr/lib/pgsql/bin:$HOME/bin:$PATH:.
CLASSPATH=$JAVA_HOME/lib/postgresql-8.3-603.jdbc.jar:$CLASSPATH.Useless. Java ignores CLASSPATH environment variable.
export PATH CLASSPATH JAVA_HOME JDK_HOME
unset USERNAME
but the message is the same . I have downloaded the driver into the same directory where is sited concecta.class and conecta.java . I don't understand why netbeans works fine runnning my application. I will be glad if anybody help to me.
ThanksUse the -classpath option at runtime. That'll fix it.
%

How to Compile and run Smart Card Application

hi
any one can help me reagrding Javacard API. i download the JavaCard Development Kit from sun and install on my machine but i didn't get all java files and class files of JavaCard API. where i obtain those files so my application get compile and run.
pls help me i m new in this technology.
Thanks in Advance.

My program Test.java in F:\Tomcat5\webapps\Ambika\WEB-INF\Classes. I compiled in the format below. I got like this. What should I do for this? But yesterday I compiled like this only, It compiled and the folder com\cert\Test.class is created. Today again I compiled the pgm after deleting the already created folder 'com\cert', I got the error like this.
I've given my pgm and the thing I've got when I compiled it.
Test.java
package com.cert;
public class Test
public void display()
System.out.println("Hai");
F:\Tomcat5\webapps\Ambika\WEB-INF\Classes>javac -d F:\Tomcat5\webapps\Ambika\WEB-INF\Classes\Test.java
javac: no source files
Usage: javac <options> <source files>
where possible options include:
-g Generate all debugging info
-g:none Generate no debugging info
-g:{lines,vars,source} Generate only some debugging info
-nowarn Generate no warnings
-verbose Output messages about what the compiler is doing
-deprecation Output source locations where deprecated APIs are u
sed
-classpath <path> Specify where to find user class files
-cp <path> Specify where to find user class files
-sourcepath <path> Specify where to find input source files
-bootclasspath <path> Override location of bootstrap class files
-extdirs <dirs> Override location of installed extensions
-endorseddirs <dirs> Override location of endorsed standards path
-d <directory> Specify where to place generated class files
-encoding <encoding> Specify character encoding used by source files
-source <release> Provide source compatibility with specified release
-target <release> Generate class files for specific VM version
-version Version information
-help Print a synopsis of standard options
-X Print a synopsis of nonstandard options
-J<flag> Pass <flag> directly to the runtime system
F:\Tomcat5\webapps\Ambika\WEB-INF\Classes>
Plz help me.
thanks in advance
Ambika

How can I compile and run other java classes from within an application?

Hello there everyone! I really hope that someone can help me. I am writing a program that must be able to compile and run other java classes that are in different files, much like development environments like Kawa or Forte allow you to do.
There has to be a way of doing this ( I hope!! ), but i can't seem to find it!!
I have tried using this command to compile:
Runtime.getRuntime().exec ("c:\\programs\\javac className.java");
...and this one to run:
Runtime.getRuntime().exec ("c:\\programs\\java className");
...but neither works!!! I can compile and run classes that are in the same file as my application, but I can't get it to work at all for files in different directories or files.
PLEASE, PLEASE, PLEASE help me - i've run out of ideas, and i need this to be working in 3 days!!!
Thank you very much for any help anyone can give me, I really appreciate it!! Thanks again!!
Adrian ( ...in distress!! )

public class JavaCompiler{
   public static void main(String[] args)throws Exception{ //sorry bout the laziness
      if(args == null || args.length != 1){
         System.out.println("Usage: java JavaCompiler MyClass.java");
         System.exit(0);
      String className = args[0];
      Runtime rt = Runtime.getRuntime();
      Process p = rt.exec("javac " + className); //consider setting cpath for this
      p.waitFor();
      //now try to run after it is done.
      p = rt.exec("java " + className.substring(0, (className.length() - ".java".length()));
      p.waitFor();
      //do some other stuff
}This should get you going. You may consider looking into the System.getProperty() method in order to determine the type of OS it is running on in order to findo out what command to run. I know that the sun tool listed above is nice, but by my understanding the sun tools provided are not guaranteed to stay the same. I'm no expert on this matter, but that is one of the reasons there is no API documentation for those tools. Also, I don't believe those tools come packaged with the JRE. (Of course if you are making an IDE it will be expected that the user has an sdk installed. Good luck with figuring this thing out.

Error in compiling and running a packaged application

Hi all,
I am new to java and studying alone java from sun's site.Now i am going through sun's step by step programming.From there i got a packaged Application named DiveLog which i wrote and saved in divelog directory in jdk1.2.2which is in C directory.
When i tried to compile it i got the error message as class Resource .java not found.But i have created the file Resource.java and saved in the same divelog directory.
somehow i get rid of the error and looked for the directory but class file is not there.So i understood that Compilation doesn't took place.
Can anyone help me to get rid of the error and compile and run the Application successfully.
Here is the DiveLog application i have written.
package divelog;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class DiveLog
private JTabbedPane tabbedPane;
private JFrame dlframe;
public DiveLog()
dlframe = new JFrame("A Java(TM) Technology Dive Log");
dlframe.addWindowListener(new WindowAdapter()
public void windowClosing(WindowEvent e)
System.exit(0)
tabbedPane = new JTabbedPane(SwingConstants.LEFT);
tabbedPane.setBackground(Color.blue);
tabbedPane.setForeground(Color.white);
populateTabbedPane();
buildMenu();
dlframe.getContentPane().add(tabbedPane);
dlframe.pack();
dlframe.setSize(765,690);
dlframe.setBackground(Color.white);
dlframe.setVisible(true);
private void populateTabbedPane()
tabbedPane.addTab("Welcome",
null,
new Welcome(),
"Welcome to the Dive Log");
tabbedPane.addTab("Diver Data",
null,
new Diver(),
"Click here to enter diver data");
tabbedPane.addTab("Log Dives",
null,
new Dives(),
"Click here to enter dives");
tabbedPane.addTab("Statistics",
null,
new Statistics(),
"Click here to calculate dive statistics");
tabbedPane.addTab("Favorite Web Site",
null,
new WebSite(),
"Click here to see a web site");
tabbedPane.addTab("Resources",
null,
new Resources(),
"Click here to see a list" + "of resources");
private void buildMenu()
JMenuBar mb = new JMenuBar();
JMenu menu = new JMenu("File");
JMenuItem item = new JMenuItem("Exit");
item.addActionListener(new ActionListener()
public void actionPerformed(ActionEvent e)
System.exit(0);
menu.add(item);
mb.add(menu);
dlframe.setJMenuBar(mb);
public static void main(String[] args)
DiveLog dl = new DiveLog();

Classpath problem. Read the old threads related to in the classpath problem.
/Sreenivasa Kumar Majji.
Hi all,
I am new to java and studying alone java from sun's
site.Now i am going through sun's step by step
programming.From there i got a packaged Application
named DiveLog which i wrote and saved in divelog
directory in jdk1.2.2which is in C directory.
When i tried to compile it i got the error message as
class Resource .java not found.But i have created the
file Resource.java and saved in the same divelog
directory.
somehow i get rid of the error and looked for the
directory but class file is not there.So i understood
that Compilation doesn't took place.
Can anyone help me to get rid of the error and compile
and run the Application successfully.
Here is the DiveLog application i have written.
package divelog;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class DiveLog
private JTabbedPane tabbedPane;
private JFrame dlframe;
public DiveLog()
dlframe = new JFrame("A Java(TM) Technology Dive
Dive Log");
dlframe.addWindowListener(new WindowAdapter()
public void windowClosing(WindowEvent e)
System.exit(0)
tabbedPane = new
e = new JTabbedPane(SwingConstants.LEFT);
tabbedPane.setBackground(Color.blue);
tabbedPane.setForeground(Color.white);
populateTabbedPane();
buildMenu();
dlframe.getContentPane().add(tabbedPane);
dlframe.pack();
dlframe.setSize(765,690);
dlframe.setBackground(Color.white);
dlframe.setVisible(true);
private void populateTabbedPane()
tabbedPane.addTab("Welcome",
null,
new Welcome(),
"Welcome to the Dive
"Welcome to the Dive Log");
tabbedPane.addTab("Diver Data",
null,
new Diver(),
"Click here to enter
"Click here to enter diver data");
tabbedPane.addTab("Log Dives",
null,
new Dives(),
"Click here to enter
"Click here to enter dives");
tabbedPane.addTab("Statistics",
null,
new Statistics(),
"Click here to calculate
"Click here to calculate dive statistics");
tabbedPane.addTab("Favorite Web Site",
null,
new WebSite(),
"Click here to see a web
"Click here to see a web site");
tabbedPane.addTab("Resources",
null,
new Resources(),
"Click here to see a
"Click here to see a list" + "of
t" + "of resources");
private void buildMenu()
JMenuBar mb = new JMenuBar();
JMenu menu = new JMenu("File");
JMenuItem item = new JMenuItem("Exit");
item.addActionListener(new
istener(new ActionListener()
public void actionPerformed(ActionEvent
ed(ActionEvent e)
System.exit(0);
menu.add(item);
mb.add(menu);
dlframe.setJMenuBar(mb);
public static void main(String[]
d main(String[] args)
DiveLog dl = new DiveLog();

Compiling and running problems

Dear Friends:
I believe I encountered a very difficult situation when I try to run Fortran
files in Sun Sparc Solaris 8.0.
I would like to describe it, hopefully someone can give me some suggestions.
The the files I try to run is fortran 77 files developed originally for VAX
machine, later on there are Linux and Unix adaptions (but not for Sun
Solaris). The source code is open source from the link:
http://www.webmo.net/support/mopac_linux.html. I have compiled and run
successfully in Redhat 9.0 (means same results as the samples). The linux
dependency is gcc (or egcs) glibc (or libc) f2c.
Also it is compatible with SGI IRIX unix system with the dependency MIPSpro Fortran 77 and MIPSpro C as the link http://www.webmo.net/support/mopac_sgi.html. I havenot tried it yet.
In sun solaris, I have tried g77, but even cannot compiled. With Apogee's
F77 (www.apogee.com), it can be compiled, but cannot run completely (terminate in the middle
process, i.e. without the complete output as the samples).
Could anyone take a time do a analysis and provide me any suggestions?
thanks a lot,
Justin

Justin,
I downloaded the mopac tarball and compiled it on Sun Solaris using the Sun Studio 10 compiler. The code compiles successfully with only a small change to the included Makefile.
Change the original unix target as follows:
unix:
f77 -w -O -static *.f -o $(EXE)
becomes
unix:
f90 -f77 -w -O *.f -o $(EXE)
I noticed during the compilation that there were a number of BLAS and LAPACK routines that are being compiled into the application. The Sun Studio compilers include a high performance BLAS/LAPACK library called the Sun Performance Library which provides highly tuned versions of the BLAS/LAPACK routines called by this application. I would be more than happy to help you modify the source and makefile so that you can use these tuned routines and realize increased performance in this application.
I ran several of the data sets in the examples directory and they appeared to complete successfully. Since none of them run for more than a second or so, it's hard to say whether or not the tuned Performance Library will have a large impact on the performance or not.
If you are interested, please contact me : [email protected]

Compiling and running a package

Hi
Iduring making a project i am facing a problem. I have two files under the directory c:\jdk1.3\ghosh\das, named as ghosh.java and das.java
they are like the folloing:
ghosh.java
package.java.das;
import java.io.*;
import.java.util.*;
public class ghosh
public static void main(String args[])
das dipak = new das();
dipak.prn();
das.java
package ghosh.das;
import java.io.*;
import java.util.*;
public class das
das();
public void prn()
System.out.println("Package");
If you please tell me the way to compile and & run this package, I will be highly thankful to you.
thanx in andvance.
sudipta

The statement "package.java.das;" won't compile. Do you mean "package java.das;" or do you mean "package ghosh.das;"? The -d option might not give you the result you want. If you mean, ""package java.das;" and you compile with "-d c:\jdk1.3" then the compiler will create a directory named java in the jdk1.3 directory and create a .class file inside the java directory.
Depending on the package statement, you execute the ghosh class with "java java.das.ghosh" or "java ghosh.das.ghosh"

Tutorial Step 8 - Compile and run Client

I have been unsuccessful in getting the client to run from the command prompt.
I have modified the compile and run bat files as follows"
COMPILE.BAT
c:\bea\jdk131_03\bin\javac -classpath ../../WEB-INF/lib/Investigate.jar;../../WEB-INF/lib/webserviceclient.jar;c:\bea\weblogic700\server\lib\webserviceclient.jar
*.java
RUN.BAT
c:\bea\jdk131_03\bin\java -cp .;../../WEB-INF/lib/Investigate.jar;c:\bea\weblogic700\server\lib\webserviceclient.jar;
InvestigClient
What am I missing????
===============
C:\bea\weblogic700\samples\workshop\applications\samples\tutorials\java_client>c
:\bea\jdk131_03\bin\java -cp .;../../WEB-INF/lib/Investigate.jar;c:\bea\weblogic
700\server\lib\webserviceclient.jar; InvestigClient
Exception in thread "main" java.lang.NoClassDefFoundError: InvestigClient (wrong
name: tutorials/java_client/InvestigClient)
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:488)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:10
6)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:243)
at java.net.URLClassLoader.access$100(URLClassLoader.java:51)
at java.net.URLClassLoader$1.run(URLClassLoader.java:190)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:183)
at java.lang.ClassLoader.loadClass(ClassLoader.java:294)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:281)
at java.lang.ClassLoader.loadClass(ClassLoader.java:250)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:310)

Craig,
The error suggests the absence of the class file 'InvestigClient.class' in
the CLASSPATH.
Could you please confirm that you were able to compile the client correctly.
Please check that you have the Investig.class file in the
tutorials\java_client directory.
I was able to run the client successfully here.
Regards,
Anurag
Workshop Support
"Craig Hall" <[email protected]> wrote in message
news:[email protected]...
>
I have been unsuccessful in getting the client to run from the commandprompt.
I have modified the compile and run bat files as follows"
COMPILE.BAT
c:\bea\jdk131_03\bin\javac -classpath../../WEB-INF/lib/Investigate.jar;../../WEB-INF/lib/webserviceclient.jar;c:\
bea\weblogic700\server\lib\webserviceclient.jar
*.java
RUN.BAT
c:\bea\jdk131_03\bin\java -cp.;../../WEB-INF/lib/Investigate.jar;c:\bea\weblogic700\server\lib\webservice
client.jar;
InvestigClient
What am I missing????
===============
C:\bea\weblogic700\samples\workshop\applications\samples\tutorials\java_clie
nt>c
:\bea\jdk131_03\bin\java -cp.;../../WEB-INF/lib/Investigate.jar;c:\bea\weblogic
700\server\lib\webserviceclient.jar; InvestigClient
Exception in thread "main" java.lang.NoClassDefFoundError: InvestigClient(wrong
name: tutorials/java_client/InvestigClient)
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:488)
atjava.security.SecureClassLoader.defineClass(SecureClassLoader.java:10
6)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:243)
at java.net.URLClassLoader.access$100(URLClassLoader.java:51)
at java.net.URLClassLoader$1.run(URLClassLoader.java:190)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:183)
at java.lang.ClassLoader.loadClass(ClassLoader.java:294)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:281)
at java.lang.ClassLoader.loadClass(ClassLoader.java:250)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:310)

Java compile and run time questions

Hello, I have two generic question about java compile and run:
1. When I used javac to compile my project, it complained some classes can't be found. I added the jar file which contains these needed classes to the jre/lib/ext/ directory. The compiler no longer complains. But I'm confused. I thought the jar files in jre/lib/ext/ only used for java run time, not the compile time. Can someone help me to explain this?
2. If I need certain user defined jar file in the classpath to compile my application, does that imply that I have to have that jar file if I want to run my project?
Thanks in advance.

1. lib/ext is used for generally finding classes, it doesn't matter whether you are compiling or running.
2. Yes, you will.

[HELP] When compiling and running, two consoles appear!

When I compile and run a program, 2 consoles show up.. This wasn't happening before. I'm confused.
After around 15 seconds, the lower window closes and the program starts.
Here's a picture:
http://i.imgur.com/iiqVvEr.png

Hi Narralol,
Sorry for late.
I have never reproduced this. Please try to clean & build a master application that runs and positions your test application.
I doubt that you may process start cmd window before you run this console app. Please try and to see if it exists.
Have a nice day!
Kristin
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Problems compiling and running a servlet

I have been trying to compile and run my servlet program to no avail. Please help. I am using Tomcat 5.5 and j2sdk1.4.2
These are the errors I keep getting. I have already set the classpath appropriately.
MyServletTest.java:5: package javax.servlet does not exist
import javax.servlet.*;
^
MyServletTest.java:6: package javax.servlet.http does not exist
import javax.servlet.http.*;
^
MyServletTest.java:10: cannot resolve symbol
symbol : class HttpServlet
location: class MyServletTest
public class MyServletTest extends HttpServlet {
^
MyServletTest.java:13: cannot resolve symbol
symbol : class HttpServletRquest
location: class MyServletTest
public void doGet (HttpServletRquest req, HttpServletResponse resp)
^
MyServletTest.java:13: cannot resolve symbol
symbol : class HttpServletResponse
location: class MyServletTest
public void doGet (HttpServletRquest req, HttpServletResponse resp)
^
MyServletTest.java:48: cannot resolve symbol
symbol : class HttpServletResponse
location: class MyServletTest
private void printResultSet (HttpServletResponse resp, ResultSet rs)
throws SQLException {
^
MyServletTest.java:52: cannot resolve symbol
symbol : method prinln (java.lang.String)
location: class java.io.PrintWriter
out.prinln("<html>");
^
7 errors

Thank you. I have managed to compile the program but
when I run it I get:
Exception in thread "main"
java.lang.NoSuchMethodError: main
How should I run a servlet?Servlets are not run like applications. You need to deploy them to a servlet container, and they get invoked and initialized by constructor, init() method and goGet/doPost().

Help:Compiling and running Java Midlets?

Hello,
I am a fresh learner in Java.I am finding it very difficult to compile and run Java Midlets on the Computer system.Also,i will like to tranfer the Sourcecodes to a PDA i.e install it on the PDA and have the application walking well.Please help.Thank you.

You will get all the detailed steps ( have a look at the ff link) to configure the sun wireless toolkit on a PC , midlet compiling, running , uploading to the Palm PDA and testing it on the device. As for the connection, you can use the hot synch cable or a bluetooth hot synch.
http://developers.sun.com/techtopics/mobility/midp/articles/palm
Cheers!,
Birhanu

How to compile and run servlets in Eclipse?

Does somebody known how can I compile and run servlets in Eclipse IDE? I've added and configured Tomcat's plugin. I've created a project with my example servlets source, and I don't know what farther. How do I have compile it without main method? I must add web.xml file from Tomcat's directory into projects in Eclipse and modify it?
THX Chudzik

Try googling for "eclipse servlet", surely someone has written instructions.

How to Set up the variables and others to compile and Run Java Programs

Hello,
I have just downloaded the jdk1.6.0_07 and jre1.6.0_07 and installed it in C:\Program files\Java in my Windows XP ,So please tell me how to sett up the enviroment variables etc to compile and run Java Programs from Command Prompt.
thanks

To set the PATH permanently, add the full path of the jdk1.6.0_<version>\bin directory to the PATH variable. Typically this full path looks something like C:\Program Files\Java\jdk1.6.0_<version>\bin. Set the PATH as follows on Microsoft Windows:
1. Click Start > Control Panel > System on Windows XP or Start > Settings > Control Panel > System on Windows 2000.
2. Click Advanced > Environment Variables.
3. Add the location of bin folder of JDK installation for PATH in User Variables and System Variables. A typical value for PATH is:
C:\Program Files\Java\jdk1.6.0_<version>\bin

How to compile and run java files on a mac using command line?

can someone tell me or link me to some article on how to compile and run java files from command line on a mac? I have mac OS X leopard

What do you mean by "where to put them" ? What do you want to put anywhere ?
Have you read Peter's comment in brackets ? Perhaps you have a classpath problem ?
Edited by: Michael_Knight on Aug 31, 2008 4:23 AM

Compile and run applications under win2000

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