First time with java

hi all
i want to start programming with JAVA
I'm new here and I don't know anything about java
can anyone can tell me where is the IDE, the
environment of java
what is the different beetween JSEE and J2EE
what do i need for starting.
thanxThe tutorials here on sun.com are a good place to start. Don't start with an IDE, just use a text editor and the command line for now. Don't worry about J2EE for now either just downlaod the standard JDK from this site,

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Hello everyone. I am trying to make my first database connection to a mysql database with Java. I am using jdk 1.5.0, MySQL 4.1.11 nt, and I think I have the freshly downloaded driver C:\jdk1.5.0\jre\lib\ext\mysql-connector-java-3.0.16-ga-bin.jar" installed in the right spot. When I try to run the following code...
package dbfinder;
import java.sql.*;
import javax.sql.*;
import com.sun.rowset.JdbcRowSetImpl;
import javax.sql.rowset.JdbcRowSet;
import java.sql.ResultSetMetaData;
* Title: 
* Description: 
* Copyright: Copyright (c) 2005
* Company: 
* @author not attributable
* @version 1.0
public class DatabaseConnector {
public DatabaseConnector() {
public static void main(String args[]){
Connection connection;
Statement statement;
// ResultSet resultSet;
// ResultSetMetaData metaData;
String DATABASE_DRIVER = "com.mysql.jdbc.Driver";
String DATABASE_URL = "jdbc:mysql://localhost/state_crime";
String USER = "cis695d";
String PASSWORD = "cis695d";
JdbcRowSet rowSet = new JdbcRowSetImpl();
try {
Class.forName(DATABASE_DRIVER); // load database driver
System.out.println("class loaded");
rowSet.setUrl("DATABASE_URL");
rowSet.setUsername(USER);
rowSet.setPassword(PASSWORD);
rowSet.setCommand("Select * FROM state_crime_rates");
rowSet.execute();
ResultSetMetaData metaData = rowSet.getMetaData();
int numberOfColumns;
numberOfColumns = metaData.getColumnCount();
System.out.println(numberOfColumns);
} catch(SQLException sqlException){
sqlException.printStackTrace();
System.exit(1);
catch(ClassNotFoundException classNotFound){
classNotFound.printStackTrace();
System.exit(1);
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java.sql.SQLException: No suitable driver
 at java.sql.DriverManager.getConnection(DriverManager.java:545)
 at java.sql.DriverManager.getConnection(DriverManager.java:171)
 at com.sun.rowset.JdbcRowSetImpl.connect(JdbcRowSetImpl.java:618)
 at com.sun.rowset.JdbcRowSetImpl.prepare(JdbcRowSetImpl.java:630)
 at com.sun.rowset.JdbcRowSetImpl.execute(JdbcRowSetImpl.java:526)
 at dbfinder.DatabaseConnector.main(DatabaseConnector.java:44)
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Hello everyone. I am trying to make my first
database connection to a mysql database with Java. I
am using jdk 1.5.0, MySQL 4.1.11 nt, and I think I
have the freshly downloaded driver
C:\jdk1.5.0\jre\lib\ext\mysql-connector-java-3.0.16-ga
-bin.jar" installed in the right spot. You shouldn't be putting that JAR in jre/lib/ext, even if you've found some docs to tell you to do it. Only language extensions (e.g., packages that begin w/javax) belong there.
I get the following exception...
java.sql.SQLException: No suitable driver
Does anyone have any ideas? Is it my code? Is there
a different driver I should use? Any help would be
greatly appreciated.The driver is correct. The class loader found it, even though I think you should use the -classpath option to find the JAR.
It's your code.
What are you doing with all that RowSet stuff?
This works. Study it:
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import java.util.*;
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 public static final String DEFAULT_USERNAME = "admin";
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 * <li>password</li>
 * </ol>
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 Object result = db.executeSQL(sql);
 System.out.println(result);
 else
 System.out.println("Usage: db.DataConnection <sql> <driver> <url> <username> <password>");
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 return driverProperties;
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 public Object executeSQL(final String sql) throws SQLException
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 if (connection != null)
 connection.close();
 connection = null;
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 public static final void close(Statement statement)
 try
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 close(connection);
}%

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Hi all,
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Then from WLST prompt I have connected to the Node Manager & started the Admin Server successfully.
But when ever I am starting the SOA manager server using WLST it's throwing the following error in WLST page : -
Error Starting server soa_server1: weblogic.nodemanager.NMException: Exception while starting server 'soa_server1'
In server log file I am getting the following error : -
Server subsystem failed. Reason: weblogic.security.SecurityInitializationException: Authentication for user denied
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Edited by: 008 on Dec 6, 2012 7:53 PM

Hi,
I am getting this problem only when I am trying to start the domain for the first time after domain creation using WLST/nodemanager.
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The WLST/Nodemanager approach doesn't create the file so it won't work for the first start... But it will work just fine from the second on...
I've never tried, but you can try and create the boot.properties manually in your script with the following content... Password should be encrypted after the first successful start...
username=type-the-username-here
password=type-the-password-here
Cheers,
Vlad

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I thought I would share my experience using FreeHand in an
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one of my regular annual jobs is to produce a 52 page full
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for any of my layout work from now on, InDesign CS2 is no less than
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just being able to use native photoshop psd files with
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and on about the features that blew me away but many of you already
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Robert Philpotts wrote:
>
quote:
Originally posted by:
maxman23
> ID feels cleaner and more logical - far more - than
Illustrator ever did.
>
> I have to agree, ID feels very natural and intuitive to
a long time freehand
> user, I found it very easy to make the transition, ID to
me feels like FreeHand
> with a whole bunch of extra features thrown in, now if
they can impliment the
> same structure into Illustrator, then they would be on
the right track, (paste
> inside rather than masks etc, the list goes on and on)
>
> Illustrator as it stands still baffles me, so counter
intuitve, frustrating
> and odd, not just for FreeHand users, I have used other
vector apps, Corel Draw
> and DrawPlus in the dark and distant past and they are
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>
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is just
baffling and I wonder if that's a legacy of it being a much
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(reworking filters and layer styles for a couple of
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if Illustrator just doesn't get the same kind of resources
that
Photoshop and some of the other programs get.

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Ok, so I've gotten Cups and wicd autostarting, set the static ip from my router because else it wasnt getting DNS etc details and left it asking for that by dhcp.
Still having issues with the DE
pedro_sland wrote:
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I run xfce4 sometimes. I just run startxfce4 and it starts Xorg and displays the DE. I think that startx runs twm which you probably don't want so you might want to take a look at that. startx has a script it runs somewhere (I forget where but the wiki will know). When I'm done with xfce I just log out and it exits.
For me, this isnt working. startlxde on its own just goes to
[root@yomiko ~]#
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there is a grumble early on in the process, before the debug errors, saying:
Importing pynotify failed, notifications disabled.
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Edit: A friend helped me solve it.
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Last edited by Rhiadratech (2011-05-20 23:09:16)

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Ok, I've been using *Buntu based Distros for a while now, this is my first time taking the plunge with Arch - chosen because it is a build in what you want distro.
I've wanted a minimal build install for a printserver project, this week I took the plunge with an old laptop.
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Arch Base install with:
CUPS
LXDE
Leafpad
Xorg Intel video drivers.
smartmontools
firefox
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If DE is required, Xorg must be started in tty1, startlxde ran in tty2, and then manually switch to tty7 for the DE.=
I have a script to call when i login which starts WPA_Supplicant, dhcpcd, and cupsd in that order.
I would really like the interface to have a staticip but i dont know how to do that without the handy graphical tools that ubuntu provides.
Please can you help, at least point me in the right direction with these niggles? I have learned a lot about what is required to get a basic DE up and running, and im sure with your help I will learn more.
Last edited by Rhiadratech (2011-05-20 23:07:52)

Ok, so I've gotten Cups and wicd autostarting, set the static ip from my router because else it wasnt getting DNS etc details and left it asking for that by dhcp.
Still having issues with the DE
pedro_sland wrote:
If DE is required, Xorg must be started in tty1, startlxde ran in tty2, and then manually switch to tty7 for the DE.
I run xfce4 sometimes. I just run startxfce4 and it starts Xorg and displays the DE. I think that startx runs twm which you probably don't want so you might want to take a look at that. startx has a script it runs somewhere (I forget where but the wiki will know). When I'm done with xfce I just log out and it exits.
For me, this isnt working. startlxde on its own just goes to
[root@yomiko ~]#
in tty1, and leaves me with a blank screen when i switch to tty7
I literally must call Xorg in one tty, startlxde in another and then manually shift to tty7 to see it.
startx itself:
-bash: startx: command not found
Even Xorg isnt happy being called on its own, that too goes to a blank screen, though it does at least switch to tty7
With Xorg called in tty1, when i call startlxde in tty2 i get dbug errors from pcmanfm though these seem to be just it informing its detected the HDD partitions.
there is a grumble early on in the process, before the debug errors, saying:
Importing pynotify failed, notifications disabled.
Finally, I did add the line to .xinitrc the LXDE page in the wiki said to to allow startx to run:
exec ck-launch-session startlxde
This is the only line in this file.
Currently running as root... I'm not going to complicate matters by adding a user until im sure i got it all running as root, bad practice or not!
Edit: A friend helped me solve it.
The package xorg-xinit held the startx script that was missing. I now get LXDE when i want and only when I want.
Last edited by Rhiadratech (2011-05-20 23:09:16)

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You can download a complete iPad 2 User Guide here: http://manuals.info.apple.com/en/ipad_user_guide.pdf
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http://www.apple.com/ipad/videos/
Watch the videos see all the amazing iPad apps in action. Learn how to use FaceTime, Mail, Safari, Videos, Maps, iBooks, App Store, and more.
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amthie,
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Click “Done”.
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Click "Apply" in the lower right.
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