35,618 Topics
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| | i want to send large files,,,,,this program only send upto size:1024*1024 ,,,,plz help me out!! client- import java.net.*; import java.io.*; import java.awt.*; import java.awt.event.*; import javax.swing.*; class ftpclient extends JFrame implements ActionListener { JButton b1,b2; JTextField t1; ftpclient() { b1 =new JButton("Select File"); b2 = new JButton("Send File to Server"); …  |
| | I have designed a sender-reciever type program where the sender sends a file and the reciever recieves it automatically. The problem is that though I am using byte-based streams,the output in ceratin cases as follows are getting distorted: [A]: Bitmap images are getting color-inverted. [B]: Files other than text files … |
 | How i take a line string input through keyboard ?. Example : I am a student .  |
| | Hi, I wrote the followiing code for a Jtable: public class simpletabletest extends JPanel{ public simpletabletest() { String[][] data = { {"...", "...", "...", "..."}, {"...", "...", "...", "..."}, {"...", "...", "...", "..."}}; String[] Columns = {"Name", "LastName", "Phone", "MobilePhone"}; //DefaultTableModel model = new DefaultTableModel(data, Columns); JTable table = new … |
| | Hello all, I am using Windows server 2008 OS as domain controller. When user's request comes, his id & password are verified across Active directory. If his id & password are already present in active directory then java program returns as valid user or otherwise returns as invalid user. Now, … |
| | hello, i am creating client server module.i want username and password from active directory for authentication. first time when i run program it it authenticate users but when i delete user & change password policy after that created new user and run the program then i got error authentication error. … |
| | ok im from C++ but no starting java this is my attempt of the password protect program which you get three try at but for some reason it dosnt compile it just gets errors import java.util.Scanner; public class password { public static void main(String args[]){ Scanner input = new Scanner(System.in); … |
| | I did a page for adding and viewing activities in a project. The table linked with that page has an UNIQUE constraint for the activity code. As a result of which when i add a new activity with existing Activity code, it is not accepted and gives a runtime error … |
| | I'm getting an error that I don't understand. It's a Null Pointer Exception, but neither of my arguments in line 118 is null. According to the documentation, ImageIO.write will throw a IllegalArgumentException or an IOException, but it isn't throwing either. I'm not sure what could be null here. You can … |
| | Actually i'm planning to make a user registration page over swings and i decided that there should be a constraint that people with age below 21 cannot register. I want to make a validation of the date input of the user by calcualting the age and checking with if loop. … |
| | i am facing a problem in running multiple queries in jsp page, as it is unable to store the values in the 2nd result set i use in my page. tha code is written below: [code] String strQuery = "select * from services "; ResultSet rs =null; ResultSet rs1 = … |
| | when i do... [ICODE]String menu; Scanner keyboard = new Scanner(System.in); menu = keyboard; if (menu = "D"){ .... }[/ICODE] there is error sign under "menu = "D"" <can't convert String to boolean> why menu is boolean? I stated in String.... |
 | Hello everyone, this is something I wrote a couple months back. It is used as a universal class/object loader from an XML file. For the handling of XML I use the JDOM library. The story basically goes like this: I have a load of classes in a game I'm working …  |
| | hello again, i am having problems outputing the correct format of hex, the result i am aiming to achieve in my file should be : 78 00 07 D0 00 00 17 70 00 00 <-- aiming to achieve D8 00 6F D0 00 00 7F F0 00 <-- actual … |
| | Hi All I wanted to write string.contains() in jdk 1.4, but i know 1.4 doesn't support contains is there any way to do the same ex: if the string contains "," i want check the condition String name; if(name.contains(",")) is there any way to do in jdk 1.4 Regards Ravi  |
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| | Hello Everybody, I am having a doubt regarding how to upload a file to multiple machines or servers. I tried using with FTP but getting ConnectException:connection Refused import sun.net.ftp.*; import java.io.*; public class SendFile { public static void main(String args[]) { String hostname = "172.14.3.23"; //Remote FTP server: Change this … |
| | Hi Experts, I have started learning java recently and looking into some practice exercise. Just wante to know if there is a easy way, to convert a List of java.lang.Integer objects to array of primitive int type (not integer). Something like List<Integer> to int []? Or I need to loop … |
 | I'm having trouble trying to run the unoconv command in a .jsp file. Here's my code : String pyfilelocation = request.getRealPath ("/") ; String[] cmd = new String[4]; cmd[0] = "unoconv"; cmd[1] = "-f"; cmd[2] = "html"; cmd[3] = "temp.doc"; Runtime rt = Runtime.getRuntime (); Process pr; String helplocation = … |
| | Here is the poblem Class file I am not sure if it reading the id and saving it Java file (Error: After end of result set) when trying to display SQL, (Error: in the id) package homework1; import java.text.FieldPosition; import java.text.SimpleDateFormat; import java.util.Date; import java.sql.Connection; public class RegisterEntry { //Registration … |
| | how to connect html form feilds with mysql using hibernate, like giving input through the html form storing data, and retriving data kindly provide me simple example for those connection. thanking you. |
| | I have a marshalled data packet from the ActiveMQ connection. When I deceive the message my unmarshalling method should unmarshall the message to ite appropriate class object. I have the follwing message in the console of the Eclipse Indego. Exception in thread "ActiveMQ Session Task-87" java.lang.IllegalAccessError: com/sun/xml/bind/v2/runtime/reflect/opt/Const at weathergenerated.IMaritimeWeatherStationInformation$JaxbAccessorF_visibilityDistance.set(FieldAccessor_Integer.java:59) at … |
| | Hello.. I am working on a project in which im sending sms and receiving them in computer through SMSLIB where a mobile is connected to my computer via Bluetooth. I have to get the mobile number of that mobile which is connected to my computer but i am unable to … |
| | Hi i want to synchronize client system clock with server system clock. When i execute command "NET TIME \\servertosynchwith /SET /YES" through command prompt, it works well. But when we execute it through java program, it doesn't gives error, but also doesn's works. Client system clock remains as it is. … |
| | So I'm trying to write a program to play the card game Go Fish, and I can't get the following code to compile: import java.util.Random; public class CardPile { public static final int DECKSIZE = 52; private Card[] cards; private int numCards; public CardPile() { cards = new Card[DECKSIZE]; numCards … |
| | Hi All, I am needing some assistance on how I can grab the values for the number of die that come up as 1, 2, 3, 4, 5 or 6. I have the count variables holding the count for each one that fits the "if statement". But I can't use … |
| | The issue will be pretty clear to those of you with experience. As the title suggests, I'm having trouble accessing private variables from other classes. I'll tried to attach all the relevant files, but it wouldn't let me, so I'll try to explain my issue first then post all the … |
| | How can i inject the namespace into an xml file which doesn't have one? I scane the file from a 2d barcode, and, the creator decided to not write the namespace info into the xml. So i have to add it after scanning. How can i do that?  |
| | import java.io.IOException; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.ParserConfigurationException; import org.xml.sax.InputSource; import org.xml.sax.SAXException; //import com.edankert.SimpleErrorHandler; public abstract class Wellformed extends DocumentBuilder { public static void main(String[] args) { try { DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); factory.setValidating(false); factory.setNamespaceAware(true); DocumentBuilder builder = factory.newDocumentBuilder(); builder.setErrorHandler(new SimpleErrorHandler()); builder.parse(new InputSource("contacts.xml")); } catch (ParserConfigurationException e) { e.printStackTrace(); } … |
| | It's my first time to use oracle and i'm kinda lost :S I'm using netbeans v6.8 and i want to make a connection between Oracle 10g DB and java to make my program insert and retrieve data from the db - i tried searching for oracle's libraries to include it … |
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