36,051 Topics
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| | Hi everyone!i am beginner in java,i have write a program but i can compile it successfully can any one help me please...te code is [CODE]package sensor; public class sensor { private String Id; private int Kordx; private int Kordy; private char[] getId; public static void main(String[] args) { sensor ob=new …  |
| | In my program i want to execute same statement on case 3 and 5 in switch() i searched lot on google about this but get nothing please help me [CODE] case 3,5: [/CODE] I know it is wrong but if you have any idea about this than please help me. |
| | guys what is the difference between JButton and JToggleButton? |
| | I have the following XPath expression written in Java: [CODE] " pProbs = XPath.newInstance(/n-grams-sorted/n-gram[contains(.,"+content1+") or contains(.,"+content2+") or contains(.,"+content3+") or contains(.,"+content4+") or contains(.,"+content5+")]/@probability"); [/CODE] My problem is that not all of the contains() expressions return true. What I need is: If one of them returns 'false' (i.e.: there are no nodes … |
| | I'm writing a java program that adds event handlers dynamically on the go on instructions by the user. My problem is, that how do I basically add them?  |
| | I just wanted to know what would happen if you abuse the CharStack class by pop()ing more characters than you push()? Would it be an error of out of exception or something else. |
| | Hi All, I've a little problem with writing and saving to a file I'm close but I can't seem to grasp what i'm doing wrong here. Trying to save student object(s) to allstudents.txt This is my loadStudent method; [CODE]public student[] loadStudent() throws IOException, ClassNotFoundException //loads the accounts and returns them … |
| | Hi, I am supposed to develop a Voicemail System for my data stuctures class, so to record and playback messages, I was told that I would need to use the Java Sound API. However, after reading the little tutorial on Java, I am still a bit lost as to how …  |
| | Hi all, I'm doing a elevator simulation project but i met some issues. First, I wish to align my buttons on the left to the horizontal lines. I tried to setting setMinimumSize, setMaximumSize, setPreferredSize but it didn't help. Second, if I re-size the window, the buttons on the left seems … |
| | Hello i am needing advice about a project that i have got. Its about traffic light using wireless sensor simulation. I want to know about the different softwares that can be used to work on such application, i mean the simulation part. I tried google but apparently i dont really … |
 | Hi! I am new in hibernate annotations so i am practising it on the console. In here i am using hibernate3.jar(came with Hibernate 3.5.1), hibernate-annotations-3.4.0.GA.jar etc. However when i run the main the application didn't start and following errors were generated. Any idea,please help.. !?? 0 [main] INFO org.hibernate.cfg.annotations.Version - … |
| | hi, am try to create a simple jar file... i got some error to run that jar file error =" Failed to load Main-Class manifest attribute from bala.jar" my code: [CODE]import javax.swing.JOptionPane; public class hello{ public static void main(String args[]){ String s= JOptionPane.showInputDialog("enter name plz...."); JOptionPane.showMessageDialog(null,"hello "+s); } }[/CODE] here … |
 | Hey there, I have taken earlier this tutorial on adobe's site for building an application for mobile devices. The tutorial provides a war file. After deploying the war file on my tomcat server, a few directories are built. Most importantly, WEB-INF folder. This folder contains some java files on one … |
| | Hi ! I've been trying to use hibernate with spring framework for a week by using hibernate annotations. I am using hibernate-distribution 3.6.5 final and Spring framework 3.0.5 in the application. Error log and code is here :[URL="http://www.daniweb.com/software-development/java/threads/378043"]http://www.daniweb.com/software-development/java/threads/378043[/URL] I wait for some suggestions. Please hlp ! |
| | Hi all, I'm about to start on my Java course next semester. Since I've only coded in C/C++ til now, I'm a bit stumped. I'll give you an assignment from last year, maybe some of you guys can show me how this program would look like in Java. Here goes: … |
| | i have a very long string like this: [ICODE]TGTGCAACGTATATTCCAACGAAAAACCTGGAGAAGAAAAGAATAAGTAAAATGAACTAGAGGCTGATGGCACAGTAAACACAAATGCCTGAAGTCAAAATACATTCTTTATAAGCCCAAAGCG[/ICODE] i want to convert it into array but i wanna split it by length of 5 array elements: [ICODE]array[0] = "TGTGC"; array[1] = "AACGT"; ..... array[n] = "AAGCG";[/ICODE] any idea? plz....... help thanks :) |
| | I'm trying to draw the rhombus into each grid section of the 3x3 square grid. Both the codes are pasted. I've tried various methods but could not succeed. Any insight on this matter is greatly appreciated. Thank you. [B][U]3x3 square grid[/U][/B] [CODE]import java.awt.*; import java.awt.event.*; import javax.swing.*; public class threebythree … |
| | I want to create a new variable with each run of this while loop the syntax of loop is [CODE]while(rs.next() && i<=num) { String str(i)=rs.getString(1); }[/CODE] I want that with each run the value of i should be appended with str so that with each run a new string variable …  |
| | hi, im new to MVCin netbeans and,i intend to create a frame set such as this [code]<FRAME name="left" src="menu.html" frameborder="0" border="1" marginheight="0" marginwidth="0" scrolling="auto" noresize> <FRAME name="right" src="right.html" frameborder="0" border="0" borderColor="#525252" scrolling="auto">[/code] in the index.jsp, after creating the main and right html files i ran the application and it worked,the … |
| | Hi guys, I'm trying to create a "pool" of data that once added to is saved on a public domain. For example, data is stored at "url.com/data.txt". data.txt: [CODE]18473,948263,384292,47239,[/CODE] Client 1 connects to some url (which I need help with, thinking some PHP) with data as arguments. Adds: 39458,359835 Client …  |
| | Hi All, I have the page using iframe and every time the browser timeout and I want to logout by clicking on the "logout" button the page is displayed the content of logout.jsp instead of the logout page. This issue is only happened with Chrome browser - The FireFox and … |
| | I am interested in a currency converter made from JAVA. I'm a beginner in learning JAVA programming language. I am thinking well I want the code to go out and get the current value of the US dollar and the current value of the EURO. Next I want it to …  |
| | Hi Everyone, I am using the java applet to take screenshot of the web browser using the java's robot class. Robot objRobot = new Robot (); BufferedImage objBufferedImage = objRobot.createScreenCapture(objRectArea); The thing work good in windows system taking screenshot but in case of mac osx i get the blank image.When …  |
| | I have a jsp page where I am accessing data from the database and showing the data in table on the browser with radio buttons in between.And then there is a submit button on whose click the control is transferred to a servlet where I reading the status of the … |
| | Hi ! I've been trying to integrate hibernate with spring framework for a week by using hibernate annotations. I am using hibernate-distribution 3.6.5 final and Spring framework 3.0.5 in the application. Error log looks like as below which troubles me a lot. Any piece of idea will be appreciated, please … |
| | hi i have combobox and list i want to put both of them in one border help me please |
 | I've been working on compression and decompression between Java and C#, using deflate and inflate. Everything else I tried produced varying results which were never able to be compressed/decompressed flawlessly between Java and C#. I tested out using DeflateStream (C#) to compress data, and InflaterInputStream (Java) to decompress the data, … |
| | Hi all, I'm using Hibernate, HSQL and Spring. But i have the following ugly errors. I don't know what to do. Any help will be appreciated. [code=text]org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mySessionFactory' defined in ServletContext resource [/WEB-INF/dispatcher-servlet.xml]: Invocation of init method failed; nested exception is org.springframework.beans.BeanInstantiationException: Could not instantiate … |
| | Hello! I need to read from a txt file ip:port (or in some lines ip:portDdateCinteger). But i can not do it because there is no nextChar method on Scanner class. The txt file is like this: 332.234.32.11.11.222:8080 123.32.45.43.32.11:8976D12.01.2010C5 44.44.111.114.44.43:220 222.333.44.55.66.77:8089 111.11.11.11.22.33:8080D01.01.2009C1 ... There are million line on txt file. I … |
| | hi sir, i am developing project in java for enabling and disabling task manager and usb-port. i search this in so many website but still i did not get code of this. i want code for window xp that is update value in window registry so i can achieve the … |
| | How to add serial number like column in jtable at left side of jtable?  |
| | Hi, I'm trying to check the login. The values of id and pw are send from a textbox and the values of userid and password are from a mysql database. I try to compare them and if they are equal i want to return true and else return false. But … |
| | [CODE]public class TestMySource { public static void main(String args[]) throws java.io.IOException{ char ch; for (;;) { System.out.print("Please insert a char: "); ch = (char) System.in.read(); if (ch == '.') { break; } } } }[/CODE] output: Please insert a char: Please insert a char: Please insert a char: a Please … |
| | Hi,Someone please shade somelight about this- how arguments are to be passed from a run.bat file Thanks Best Regards Bethuel  |
| | I'm writing a program but I don't understand the question that well could someone help explain what I have to do. Also, I am having difficulty making the methods could someone help, because I am getting an error every time. This is the Question. Write a cash register class. It … |
| | Hello all! I am a completely new to programming in Java and I was recently given a tutorial in which I was supposed to create a 3x3 square grid. I am attaching a file as to give you a clear picture of what I must do. I have no idea … |
 | Hello everyone. I've been programming on a co-op RPG for quite some time now, but my networking side has seen some troubles. I'm using the lower level serverSocket-Socket way. Everything runs flawless within my own network, however connection over the internet is where the trouble is. I understand this is … |
 | Hai all, AM trying to connect java with database .I created class called data manager with several methods like setdburl(), getdnurl() ,etc.. i called the set functions inside another class and assign values. in set method i assigned LOCAL VARIABLE. when i call get url method it shows null value.. … |
| | How to keep look and feel of java program as classic windows style , even the style of the windows change to windows xp look, or aero look? I mean permenantly keeping classic look? Has any one has any idea? Thank you............... for any advice , help... :) |
| | some commands working properly(notepad ,control(control panel))... but how to execute commands "dir" like that my code is ... [CODE] public class test1{ public static void main(String args[])throws Exception{ Runtime r= Runtime.getRuntime(); Process p1=r.exec("notepad");//working fine Process p2=r.exec("control");//working fine Process p3=r.exec("test1.java");//cannot run Process p4=r.exec("dir");// cannot run } } o/p: F:\studies\java\test>java test1 Exception … |
| | [code=text]SET CLASSPATH_JARS=../../lib/log4j/log4j-1.2.14.jar SET BUILD_CLASS_DIR_IMPLEMENTATION=BUILD_LOCAL\implementation\build\classes SET RUN_CLASSPATH=%BUILD_CLASS_DIR_IMPLEMENTATION%;%CLASSPATH_JARS% SET CLASS_TO_RUN=chepsoft.micro.javadoc.workerapplication.WorkerApplication SET ARGUMENTS=Worker implementation by WorkerImpl ECHO CLASSPATH_JARS=%CLASSPATH_JARS% ECHO BUILD_CLASS_DIR_IMPLEMENTATION=%BUILD_CLASS_DIR_IMPLEMENTATION% ECHO RUN_CLASSPATH=%RUN_CLASSPATH% ECHO CLASS_TO_RUN=%CLASS_TO_RUN% java -classpath %RUN_CLASSPATH% %CLASS_TO_RUN% %ARGUMENTS% %1String name = "Bethuel", %2String workerType = "Monthly Employee", %3double salary = 22000d,[/code] if i want to pass the above variables from run.bat file … |
| | for my web application I am needed to reply short code SMS queries over HTTP. how can i integrate the service provider API with jsp and servlets. I am using jboss, Tomcat and MySql. Developers API are given below : Bulk SMS API Documentation (Single/multiple SMS via HTTP) for website/software … |
| | Instance variable does mean you will get new value with every new object created of particular class rite? I tried it myself eg: [CODE]class simpleinstcheck { static int i; void incr() { System.out.println(i++); } public static void main(String args[]) { simpleinstcheck sc= new simpleinstcheck(); sc.incr(); simpleinstcheck sc1= new simpleinstcheck(); sc1.incr(); … |
| | hi every body, i have very confusion with interpretor in jva, why we use it |
| | I am doing several choice box in JFrame.But i have some problems.Can anyone help me. 1)Currently doing a loop to add no1 until 50 into choice box.But it doesn't work. [CODE]int [] number = new int[50]; for(int i=0;i<50;i++) { number[i] = i; for(int i = 0;i<50;i++) { c1.add(number[i]); }[/CODE] 2)I … |
| | Hi Friends, I want to convert given String of any language to Unicode.Please solve my porblem friends. Thank you cheers -------- siva |
| | Can somebody please show me what the rest of this code should look like. I have about 90% of it so far. I have the GUI, but need help with the rest. Here is the Link to my code and the question to the problem is below. I thought it … |
| | [CODE]public class duplicate { public static void main(String[] args)throws IOException { System.out.println("Enter words separated by spaces ('.' to quit):"); Set<String> s = new HashSet<String>(); Scanner input = new Scanner(System.in); while (true) { String token = input.next(); if (".".equals(token)) break; if (!s.add(token)) System.out.println("Duplicate detected: " + token); } System.out.println(s.size() + " … |
| | [CODE]private void getPreviousButtonActionPerformed(java.awt.event.ActionEvent evt) { List<Tweet> listOfTweets = remoteBean.getMoreTweets(5); StringBuilder displayStringBuilder = new StringBuilder(); if(listOfTweets != null) { for (Tweet tweet : listOfTweet) { displayStringBuilder.append(tweet.toString() + "\n"); } textArea.setText(displayStringBuilder.toString()); } } [/CODE] As it stands when i run the code that this method is in and enter a number of … |
| | I'm newbie in java, can you help me to this code. the image needs to move diagonally [CODE]public void actionPerformed(ActionEvent e) { x += 3; if (x > 600) { y = random.nextInt(600); x = random.nextInt(-45); star.setX(x); star.setY(y); }[/CODE] |
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