36,051 Topics
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Java - How to use system clipboard to copy and paste objects(JLabel or JButton) in a JFrame | |
Hi, In my project I am developing pagination concept. but here problem is data is too large so it takes too much time for fetching data. so anybody can give me solution like fetching data in some part so reduces data fetching time. Thanks in advance | |
Hello everyone, I have a question regarding a Japplet that I am creating for a theatre. The program is supposed to take a yes or no response from the user, take which section the user will be sitting in, ask how many tickets they would like to purchase, and then … | |
I have a loop which shows an input dialog, process it and shows the name and picture of the student using setText and setIcon. After, I want to have at least 1-2secs of delay/pause so the user can have a look on it [B]before it loops back[/B] to show the … | |
Write a java program to read a number up to 15 digits long or a date (dd/mm/yyyy). The program should distinguish numbers from input date, and prints them in alphabetic spelling form. Example: for input 234334564456455 the output should be : 234,334,564,456,455 is two hundred thirty four trillions and three … | |
Hi..I am a newbie in JavaScript.I have two forms (in two different webpages) all with radio buttons. A user cannot select more than one option from each form. My plan is to pass the user input from both the forms to a perl script which would then query a MySQL … | |
i am new to javascript and jquery. i want a code that can load images from file, then display them one by one repetitively and randomly and possibly a text alongside each signifying something-what you call flash animation | |
I'm having problems with my code regarding the value of the string I get with the JTextfield.getText() method my code goes this way: [CODE](keypressedevent evt){ int id=evt.getId(); char c = evt.getKeyChar; String s = JTextField.getText()+c; System.out.print(s); } [/CODE] if the textfield contains for example: apple and you type s, it … | |
Hy , i read all the other posts about this error but didn`t helped me , tried google but notheing. I have the following method : [CODE] private void jButton1MouseClicked(java.awt.event.MouseEvent evt) { // TODO add your handling code here: DefaultTableModel model = (DefaultTableModel)jTable2.getModel(); int nrrows = jTable2.getSelectedRowCount(); int[] rows = … | |
Hi All, I am using Tomcat 6.0 Application server and Apache HTTP webserver 2.2 and Eclipse Galileo as my IDE. I developed an web application which is some site where users can login and browse around it. My problem is Only one user can access the application. That is when … | |
WHY WHEN I EXECUTE THE BELOW CODE I GETS AN EXCEPTION [B]java.sql.SQLException: No ResultSet was produced[/B].........BUT EVEN THOUGH INSERTION OPERATION WORKS FINE........CAN ANYONE TELL ME WHY THIS EXCEPTION COMES [CODE=java] Connection co; try { Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); co = DriverManager.getConnection("jdbc:odbc:hh"); Statement st1; ResultSet result; st1 = co.createStatement(); result=st1.executeQuery("select count(*) from rooms"); result.next(); … | |
Hello, I'm trying to write a simple program to finde words betwen statments like <int></int>. I converted String stream to a charArray, to get indexes of chars in the string. [CODE] public void foo(){ bucket=str.toCharArray(); System.out.println(str.substring(548,563)); System.out.println(str.substring(644,656)); System.out.println(str.substring(844,857)); System.out.println(str.substring(942,954)); System.out.println(str.length()); for(int i=0;i<str.length();i++){ if(bucket[i+0]==':' && bucket[i+1]=='i' && bucket[i+2]=='n' && bucket[i+3]=='t' && … | |
So I have recently been learning java and everywhere I go I hear that java is a slow language compared to C or c++. I know that when it came out in the 90's that it was a lot slower, but I was wondering how much slower is it today. … | |
I am writing a prg which take a value from user and check weather its present in table or not.... [code] table.getValueAt(i,j).toString().toLowerCase() == searchfield.getText().toLowerCase(); [/code] Well if yes then make that cell red... What to write to make cell red? | |
I am trying to do several things. 1. Intialize - engage a user in a series of questions to assign values to the class variables, no args, no return value, called from constructor. 2. Display - displays all the class values, each in an sentence, no args, no return value. … | |
I am using JBoss as my app server. My application using almost 100 jars (libraraies).So How can I specify class path for all the libraries jar's because its not possible to define individually in JBoss_CLASSPATH .Can I define xml for the classpath but I don't know how JBoss detect or … | |
hello, I have this question to ask from you... when passing a object to a method is it pass by reference or pass by value ? I'm talking about calling another class's method... | |
Hi all I need to to read parameter value from web.xml I tried following way but it displays only null value .. [code=xml]<init-parm> <parm-name>email</parm-name> <parm-value>syz@gmail.com</parm-value> </init-parm>[/code] [code=Java]//servlet code pw.println(getServletConfig().getInitParameter("email"));[/code] | |
Good day, I'm new and glad to be here, I just need a help with the my code can anyone help me find the main error with it? The JList is giving me hell and since I migrated to a new laptop I'm failing to establish a connection with my … | |
Hi, Can anyone please help. I am working on Java 3D Cylinders. I cannot color the different faces of the Cylinder differently. TOP, BOTTOM, BODY. All should have different colors. I tried it with different appearances but to no avail. [code=java] Cylinder c=new Cylinder(); BranchGroup contentBranch = new BranchGroup(); Transform3D … | |
Hi, Does java provides any API to find the details of mobile service provider given a mobile number.?? Or any link to find the data regarding this. Thanks in advance | |
Hi I want to know what's the problem with my code. I'm just a beginner. I'm trying to display the smallest number, but everytime I run the program, the output is always equal to zero. However if I use this code to find the largest number, wherein the boolean condition … | |
Hello. I have decided to design and build an artificial intelligent chat room for the 2012 Google science fair. I will use java for it's ability to constantly expand without editing already written code. This chartroom will need to be able to distinguish verbs nouns adjectives ect, and from his … ![]() | |
Hi, First of all I would like to know if this is possible, I have a feeling it is. so if this is, How/What would be the best way to do this? Will I have to download 3rd party libraries? Thanx | |
hello friends, i've 2 forms 1) Home1 and 2)NewAccountForm in Home1 when a button clicked i perform NewAccountForm newAcc= new NewAccountForm (); newAcc.setVisible(true); this.setVisible(false); i.e. make invisible current(Home1) form and visible NewAccountForm , no problem here. [COLOR="Red"]BUT[/COLOR] in NewAccountForm after a button clicked when i try to make invisible current(NewAccountForm)form … | |
Any idea how I can make a applet using a thread and how i will implement it..SOS.. | |
Is there any way to take oracle backup from java. [code] Connection c = // Connection Setting; st = c.createStatement(); rs = st.executeQuery("//What to write here for backup"); [/code] I have tried imp and exp utility , but they cant be accessed through sqlplus... | |
Hi all, Quick question, Is there a way to store a GregorianCalendar object in a hard-coded array? Such as you do an int or String ? Or do I have to send 3 ints for dd/mm/yyyy and then create a new GregorianCalendar object in the Constructor? If this is the … | |
I want to make a Program that takes two inputs one initial number and one final number for example if I input 1 as the beginning number and 13 as the final, I would like the program to output the Fibonacci sequence: 1,1,2,3,5,8,13.. I hope someone understands it.. Pleease i … | |
In some cases of HTML cleaning, I would like to retain the text enclosed between the tags(which is the default behaviour of Jsoup) and in some cases, I would like to remove the text as well as the HTML tags. Can someone please throw some light on how I can … | |
I need to create a swing application, and draw a rectangle and paint it with RGB values. [CODE] Color c = new Color(10, 198, 19, 23); [/CODE] How should i do this ? any tutorial or example i could start with ? | |
Does a thread gives up monitor lock when Thread.sleep() is called? | |
Hello Everyone! I'm looking for some advice from some C# pros out there. I am not a C# developer, I am a java/actionscript developer. I have an old VB6 component wrapped up into activeX that I am trying to update. I have rebuilt the component from scratch in visual studio … | |
Can anyone help me to convert this java code to vb6 code? [CODE]import java.net.*; import java.io.*; class read_web { static void main(String[] url) { String web = "http://www.website.com"; String vs="",us = ""; try { URL website = new URL(web); URLConnection conn = website.openConnection(); BufferedReader in = new BufferedReader( new InputStreamReader( … | |
I have been tasked with building an application that maintains a simple Student DB to store and process marks of students of 5 departments with 4 batches of students in each dept. I first thought of developing a UI-dataAccess style application. But Was unable to process because of various complexities … | |
Hi All, I am trying tp put messages into a jms queue using jms, webservices and weblogic server 10.0. When i run the web service in a single invocation the messages are put into the queue successfully. But when i try to run a load test on the web service … | |
hi :) i'm just wondering if there is any way to access to another website using my own? like: i have some input data and when i put it into the form of my website, it will search it in the another website's database and show me the result. i … | |
I'm trying to populate our database using some curl command like curl --user username:password [url]https://somewebsite.com[/url] curl - d "name=New User Name&address=New User Address" [url]https://somewebsite.com/api/add/new[/url] The instructions that they gave to me uses curl but I want to do it in Java so I decided to use HttpClient here's my code … | |
hi i am in great trouble. problem is i create a Servlet and code is HttpSession session = request.getSession(); session.setAttribute("employee", employee); "employee" is bean and now i am access that in jsp page like this: <LI><B>First Name:</B> ${employee.name.firstName} it work fine but if i use this bean in java code, … | |
Hi everyone, I'm writing a program that reads numbers from a text file, stores them in a table, does calculations on the numbers and displays the result in a jTable. The scanner reads the numbers as doubles and stores them in an ArrayList. My tablemodel is very similar to the … | |
Hey dear Friends... I'm developing a code for an assignment given that find a solution for a modified Dining philosophers problem.. For that problem I had to create four classes. [ICODE]Philosopher[/ICODE] , [ICODE]chopStick[/ICODE] , [ICODE]samllBowl [/ICODE] and [ICODE]bigBowl[/ICODE].. I implemented the class [ICODE]philosopher[/ICODE] as Runnable.. And the problem is this.. … | |
I am attempting to make a chatroom as my first program that communicates between computers. I am having trouble setting up the Server Socket Though. My program stops when it tries to set up. Here are my variables [CODE] private JTextField textArea; private ServerSocket servSock; private Socket sock; private BufferedReader … | |
Im not asking for home work help .I need a guide.. My teacher gave a huge project work for me. I have to develop an application that maintains basic info about all students in my college (every department and IV batches in each department). And I need to maintain their … | |
shall we extend abstract class in other methods?????, pls explain me with an clearcut example | |
How to open already present text file... So user can see the data in that file... I dont mean FileInput or OutputStream open. | |
Deal all, i am new to reports , i tried BIRT,JASPER,Crystal and oracle reports ... but i m only able to make a report in designer , how to connect to standalone application of java made in java se edition... So please tell me easy report designer because in vb … | |
A few friends from school and I are messing around with writing a chat server/client. We are writing it in java, and now we are at the stage where we are trying to get people unique ids and logging in. Just curious as to the best practices for handling user … | |
Hi I am new to .jsp programming. I wanted to create a simple web page to display some information from an access database, but unfortunately I keep getting an error that no data is found. I created a DSN source through the ODBC tool in Windows, and I feel I … | |
I have made an array of JButtons arranged in a 2x3 box encased in a JPanel with GridLayout. This works fine. But i want to add a JLabel with text under this panel. Problem is that the JLabel, represented here by itemsInfo will not show, and I can't figgure it … ![]() | |
So I have a component that renders very slowly. The problem is that I can only render inside the event handling thready, which shouldn't be freezed. Long ago in pascal/assembly I used backbuffer and page flipping. I've read that Java supports double buffering, but no info about thread safety. So … |
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