35,619 Topics
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 | I have a problem involving Generics. Here's a simplified version: Suppose I have a generic method to add a new element to a (possibly empty) ArrayList, like this: [CODE]<T> void addNewTo(ArrayList<T> list)[/CODE] What I need to do is to determine the correct class for the ArrayList elements so as to … |
| | Hi, I have a question regarding compilation. I am having 2 classes and one class basically uses another class. Let's say for instance we have 2 classes A and B. Now class B have something like this: Class B { public void x() { A a= new A(); a.getSomething(); } … |
 | I have a group of textField and I need to add some more to this group dynamically with user input. For Example Scenario. I have some stuffs that are sold in a shop and I have textFields for each to show their amounts. I get a new kind of stuff. … |
| | hi Guys i'm new to ajax and jsp and i'm trying to execute some code . i'm not getting any error but i'm also not getting any result that i want i have placed code here pls make any correction if it has to be done thank you . caller.jsp … |
| | Java - Is it possible to run the swing class in the applets. I'm having problems running the message windows inside the applet windows... any suggestions? I may need to know this for my future programming assignments. Thanks! |
 | Hi everyone, I'm having trouble inserting icons into a textpane and I'm not sure why. I'd like to set up a textpane and then be able to insert and display images in that textpane during runtime. As a test I've written the code below for a simple GUI with a … |
 | Hello guys, I am working on a project that deals with a store. but here is my problem i am having problem inserting multiple record into the database instead my code is summing it up. Can anyone give me an idea on how to insert multiple record into a database. … |
| | Is this possible? I'd like to add a java file in each tab of this JFrame. I've already created the files, I'd just like to show both files in one. The files I'd like to add are commented out: storageSP and calculatorEDL [CODE] import javax.swing.*; import java.awt.event.*; public class TabbedPane … |
| | anybudy can explain how do i connect my weight machine to pc...to calculate the weight of the object in pc..... |
| | Hello everyone, I currently have an application that reads in an entire excel file then iterates through the records from the file and queries our database for a match. If a match is found the record is ignored if a match is not found the record gets added to the … |
| | I'm creating a word processor similar to Microsoft Word (but much simpler). I'm having a problem with a dialog box. When a user presses the 'new document' button, it prompts the user to enter the file name, and when the user does so, he presses ok, and the file name … |
| | Hi all, I've been struggling with a Swing issue for days now, maybe someone can help me :) I would like to see several icons at the left hand side of a JTree element. Is that possible? I mean i know that I have to create some tricky cell renderer …  |
| | suppose we know the name of textfields on a html page and we wish to write a java prog. to automatically login on website with our given predefined details. i mean sending an http request with values for login fields through a prog. and then handle the response. |
| | [code=java]*/ import java.io.*; public class DriverBuggy { public static void main(String args[]) throws IOException { Buggy app; app = new Buggy(); app.appMain(); } // end of main() } // end of class Driver class Buggy { /* Instance Data Declarations */ BufferedReader stdin; // define stdin int firstVar, secondVar, thirdVar; … |
| | HI all, apologies for the strange username! I have a string as follows: 13866,Stephen Moran,Stephen Moran,Killaroo,Streamstown,Westmeath,Ireland,,Moran ,2010-08-05 00:00:00,0,0,,,0,O4,Moran_013866 There are 17 place holders in the string, sometimes they will be empty,sometimes not. When I tokenise it , the blanks are being ignored and its doesn't return 17 tokens. Is there … |
| | List<InputStream> pdfs = streamOfPDFFiles; List<PdfReader> readers = new ArrayList<PdfReader>(); I saw many programmers using this syntax . I didnt get it? Can anyone help me to expalin this in detail ie. <InputStream> what does this mean? and can i implement this same idea with any other code which is simpler? |
| | hi i want make a table using swings and whatevet i wil enter into the table that data should be saved in database.That table should be editable and i should be able to retrive that data from the database.Please help me.I'm trying but unable to do this. |
| | please help with my connection i'm getting error("exception: org.postgresql.util.PSQLException: The connection attempt failed.The connection attempt failed.") this is my code.. <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <%@ taglib uri="/WEB-INF/struts-bean.tld" prefix="bean" %> <%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html" %> <%@ taglib uri="/WEB-INF/struts-logic.tld" prefix="logic" %> <%@ page language="java" import="java.sql.*"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML … |
| | HI I AM A STUDENT OF M.C.A. FIRST YEAR PLEASE SUGGEST ME ANY PROJECT WHICH IS NEVER USED BY ANYONE AND I CAN MAKE I MEAN DEVELOP IT BY MYSELF. MY EMAIL ID IS " <EMAIL SNIPPED> " please as soon as possible |
| | Can anyone help me? Actually I want to lean Advance Java (J2EE), the problem is, to go further you should have two knowledge : 1. knowledge on RDBMS 2. knowledge on ODBC & JDBC however I have little bit knowledge on database, and SQL statements, after that everything is blank, … |
| | hi, i have a function that return a date using this: d.ymd('-'); this return 2010-08-27 but i need other format like this: 27-08-2010 i have try d.dmy but i receive this error: d.dmy is not a function what is the correct format for receive the date is other format? thanks …  |
| | Hi mates, Firstly I'd like to apologize if the forum is wrong but I can't find the forum for my topic. I'm a software engineering student from Turkey and I'm trying to lead my career as best I could. A software engineer should have knowledge of any technology, C, C++, … |
| | I want to display large number of searched results in my jsp page. I'm using struts framework. I stored each record in to an object of a class and added to an arraylist and I displayed it with <logic:iterate . But I want to filter results from array list when … |
| | In order to run a report I found display tag is useful for sorting the fields and render the data. During implementing this, I found the following difficulties: In my JSP, the table header is defined in a separate div tag with different styles than the corresponding data in another … |
| | I was wondering if there was any way to make an ApplicationMenuItem inside the message edit screen that, when selected sends the message to the selected contacts itself, bypassing the default sending program. I am fine with the menu item and have seen how to do similar things by retrieving … |
| | Hi all I'm having a bit of trouble wrapping my head around exactly what hiding a class method does, can somebody try giving it to me in plain English? I'm going by the [URL="http://download.oracle.com/javase/tutorial/java/IandI/override.html"]Sun Java Tutorial[/URL] but I find the example a bit vague when it comes to the hiding. … |
| | dear all, i have 2 tables. first table named std_table : [CODE] | ID_std | std_1 | std_2 | std_3 | std_4 | std_5 | | 115 | A | B | A | C | D | [/CODE] then i gave another table named cpr_table : [CODE] | ID_cpr … |
| | please help with my connection i'm getting error("exception: org.postgresql.util.PSQLException: The connection attempt failed.The connection attempt failed.") this is my code.. <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <%@ taglib uri="/WEB-INF/struts-bean.tld" prefix="bean" %> <%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html" %> <%@ taglib uri="/WEB-INF/struts-logic.tld" prefix="logic" %> <%@ page language="java" import="java.sql.*"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML … |
 | how does one call a windows (dos-like) command from within java? such as net stop spooler can one capture the resulting text (such as, spooler stopping, or error such and such) |
| | I'm working with a java application and trying to modify this code so that it no longer prompts the user with the Dialog box to save a txt file. The user already uses the Dialog box to choose a directory in which to save the file at an early point … |
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