36,051 Topics
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| | Hi, all What I am trying to do is to put a hyperlink on my jsp page. Then, when I click on the link, I will come to the linked page and as well the page can get some info from the jsp page. How is the code like? thanks. |
| | Hi! I'm trying to define a list of objects that could be a binary tree or a Processtrees. The binary tree is already defined and works fine, don't worry about it. A Processtree is a binary tree generated by a Process, a Process is defined by a Name and a … |
| | hi everyone, can someone help me w/ this here is my code: [code] import java.io.*; public class Num2 { public static void main(String[]args)throws IOException { BufferedReader a=new BufferedReader(new InputStreamReader(System.in)); String comma; int r1, c1, r2, c2; int[][]cards; cards=new int[4][4]; for(int r=0; r<4; r++) { for(int c=0; c<4; c++) { cards[r][c]=(int) … |
| | hi friends i have developed an application for bank accounts. Its a web application and my server is Tomcat 5.0. my requirement is that user could sms (from their mobile) to my application. In the SMS they will provide their account no and in response my application will send a …  |
 | Hello! I have an assignment where I have to take user input from my GUI (Month, date and year) and then send it to my CalendarUtil file where the input will be handled in the static methods. The part I an stuck on is the monthNumber method. I had written … |
 | Hi, I am having some troubles with a recursive function. The function needs to get a string as an input. The string contains both symbols and numbers. What the function does is doing some operation on the two children of a node, the node being the operation(+,-,*,/). The thing is, … |
| | Hello. I am just starting java and I was woundering if anyone could help me with 2 things. I was woundering how to put my program into a loop so it just keeps going and how to make the circles transparent. Here is the program. Thank you very much if … |
| | Hi all, Im having trouble understanding the two sorting method. How do you find the number of comparison made by merge sort and quicksort? isit using the O(nlogn)?? What is it supposed to mean by " sort, by hand, the folllowing array... using a)merge sort b)quicksort Thanks |
| | i'm a realy newbie stil only been taking this course for a few months. i have a problem with 2 things in the folowing codes and im gona ask ure help with them . they are semi english since im in europe and these are codes the teachers used as … |
| | I have a binary tree which I would like to get printed out inorder. Right now I have this recursice loop: [code] public void inorder() { if(leftChild != null ) leftChild.inorder(); System.out.print(" " + data); if(rightChild != null ) rightChild.inorder(); } [/code] This get the right order printed. The problem …  |
| | hi so i have just joined today but if i had known about this site i would have joined much sooner, i asked if anyone could help me with how i should post in the intro but dont wanna wait a day for a response so if i make any … |
| | can any1 suggest me how many modules should b desinged to develope a file splitter sw n wat shuld b they??? |
| | I'm making a web site and need limiting customers' access to the website of my application. I work under Apache Tomcat 6.0.18, postresql and of course i've put postgresql-8.3-603.jdbc4 in my lib file. My context Apache-Tomcat's name is "hotel", and my database's name is AMDB. I haven't a file sun-web.xml … |
| | I'm trying to make a symbol table, for a project. The project as a whole is a translator/compiler that translates an imaginary language into java. I have everything down except for the symbol table. I am currently using a Stack of Lists. The Lists are vectors of Strings so I …  |
| | I am trying to create a heap sort method using recursion but whenever one of my methods called maxHeapify is called, it would throw a StackOverflowError. I understand that this error will pop up whenever my application recurses too deeply but the problem is I don't see anything wrong with … |
 | Hello and Happy holidays to all. I am new here, so sorry to bother you. I'm working on a project for a class and have run into a bit of a snag. I have a method that reads integer values from a text file and stores them into an array … |
| | I have a button which opens up the file chooser. When a txt file is selected a Jframe appears with the data in. How do I change this, so the data displays in a JTable? Here is my current code package org.project; import java.util.*; import java.io.*; import javax.swing.*; public class … |
| | can someone help me how to make attempts in pin numbers...for like example,,if the user input three times of a wrong pin number,,then the program will exit..help me..this is not really my whole code... if (pinNum2== bank.arrAccount[2][0][0]){ String w = JOptionPane.showInputDialog("How much you want to withdraw?"); int withdrawAmount =Integer.parseInt(w); bank.withdrawCash(withdrawAmount); …  |
| | Hi all, Background: I am dealing with graphical objects on a canvas in which the user draws four lines and out of these four lines I get the top left corner, bottom right corner and figure out the width and height from these two points. Problem: I have completed this … |
| | Hello, I had to make this program and it is all working except it is not writting to the file. Can you help me out? Here is the code: [code] import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.io.*; /** * Program that allows user to select a meal. * Includes … |
| | Hi all, I want to retrieve selected item from listbox in a jsp page and send it to a servlet. I am not able to get selected value. Can u please tell me how to get selected value. In servlet i am trying to get the selected value by using … |
| | Hi guys, This is me, novice programmer to Java. i have a very simple question. can i change Font of a Label? for example i have a label: Label l1 = new Label("Welcome To Java"); now what i want is to be able to change the text(Welcome to Java) to … |
| | Hi, I am writting code for a Jtable. Now in this Jtable I list file files based on different attributes, including CRC Hash. Now I have a table that has 6 columns. the data Model extends the Abstract data Model. In my data Model I have two particular methods for … |
| | Hello, I am new to your forum and I hope that someone could please help me out of this jam. I think that it is antivirus 2009 but every spyware that I download tells me that my machine is clean. My firewall is wide open-cant enable it, I cant fefrag, …  |
 | Hi, I'm [B][COLOR="Red"]::namespace::[/COLOR][/B] from [B]Sri Lanka[/B]. I'm an university undergraduate who is following 2 IT related degrees B.Sc and B.IT [B]C++[/B] is the main concentration in my degree program and I'm learning other langs like [B]Java[/B] and [B]C#[/B] by referring ebooks. I use [B]Visual C++ 6[/B] and [B]Code::Blocks[/B] IDEs for … |
| | Hi. I am working on a project where I convert postfix notation to infix and evaluateing it. This includes building an evaluations tree (binary tree). I get how to create nodes, but how do I get the whole tree? This is the code I have so far: [code=java] import java.util.*; … |
| | Hi, I need to show stars equal to the each number of an array. I think I need another for statement. I`ve tried, but in vain. I do not know which variables should be included in this for statement ?? the output should be : 0|****(4) 1|**(2) 2|*********(9) and so … |
| | Hi. I currently have set up a GUI to have buttons on, linking to all my other classes. I am wondering how I would put the date and time at the bottom of the JFrame/JPanel. How would I do this, and will I put it within my GUI class, or … |
| | Hi,I need to edit in a file without deleting all the data. Thanks  |
| | I currently have an Oracle database, a Java Program, and a text file. Text files are being read by the system, which automatically updates the database. How would I make a JTable to make the database be displayed nicely in a JFrame? |
| | I am working on a program to calculate mileage, fuel cost, and travel time when the user selects a vehicle from a combo box. It works well when reading from an array that I put in the program. But now I have to have it read the starting figures from … |
| | How can i Import contact using javascript in jsp. Regards, sm3128 |
| | Hi, I have a trouble: I want to send text from my laptop to Nokia N95 using bluetooth tecnology. This is my source: [code=java] ClientSession clientSession = (ClientSession) Connector.open(serverURL); [b]HeaderSet hsConnectReply = clientSession.connect(null);[/b] if (hsConnectReply.getResponseCode() != ResponseCodes.OBEX_HTTP_OK) { System.out.println("Failed to connect"); return; } HeaderSet hsOperation = clientSession.createHeaderSet(); hsOperation.setHeader(HeaderSet.NAME, "Hello.txt"); hsOperation.setHeader(HeaderSet.TYPE, …  |
| | hello [CODE]os=sc.openOutputStream(); os.write("hello".getBytes()); os.close(); sc.close(); [/CODE] i used these to send message form mobile to pc but it not work from pc to phone [COLOR="Red"]i used BlueCove version 2.0.3 on winsock [/COLOR] TNX |
| | Hi Frnds, Sorry For The Spam . i have a class name"Super" program:[code] package turn; public class Super { public static String platformFlag=null; public void parse() { platformFlag="Sekhar"; } public static void main(String args[]) { Super ob=new Super(); ob.parse(); } } ------------------------------------------------------------------------------- Now i have another class in the same … |
| | Hi, I am developing a Java application that uses a serial port to communicate. The communication part is working fine but if I close the serialport using the close method on the SerialPort object and then try to open it again using the open method on a CommPortIdentifier object I … |
| | I need to write a code that takes 5 students and takes a grade for each of them, using two quizzes (10 points each), one midterm (50 points) and one final (100 points), and then gives final grade. It has to use an array. I tried to do this code … |
| | I try using this code: [code]File wd = new File("/sx04a1/jakarta-tomcat-5/webapps/maltixa"); String sscp = "scp /sx04a1/jakarta-tomcat-5/webapps/maltixa/index.jsp [email]jipbekok@fff04.ff.ff.es:/sx04a1/jakarta-tomcat-5/webapps/maltixa/index5.jsp[/email]"; p = Runtime.getRuntime().exec(sscp,null,wd); try { p.waitFor(); } catch (InterruptedException e) { e.printStackTrace(); } out.println("Exit value: " + p.exitValue()); BufferedReader reader =new BufferedReader(new InputStreamReader(p.getInputStream())); String s = reader.readLine(); out.println("scp said [ " + s + … |
| | When I printout the array contents, it prints null rather than the expected entered data. Will someone please tell me what I am doing wrong? Thanks. My code follows; [code=java] import java.util.Scanner; public class Inventory { public static void main(String[] args) { Scanner input = new Scanner( System.in ); boolean …  |
| | This morning I noticed my (Norton Internet Security 2008) antivirus scan had crashed while it was running its scheduled scan last night. It gave me the following error RUNDDL An exception occured while trying to run "c:\progra~1\common!1\symant~1\20081126.025\cceraser.dll, DetectCache 4976" As it happened again when i tried a second scan I …  |
| | Hi. Do you know any websites providing free Java assessment tests? |
| | Need some help where to start...what to do???? The objective of this program is to simulate playing the game of Bingo. A Bingo card basically consists of a 2-d array of 5 rows and 5 columns containing integers. The first column contains integers in the range 1-15, the second column …  |
| | Hi I am John Tayler, new to this topic. This is a my first post. I want to make a website, will anybody tel me from where to start. Ive selected dreamweaver 8 to build my site. Is this suitable tool? Any tutorial about dreamweaver will be appriciated. Tayler |
| | hi can anybody tell me how ti skip blank spaces in java.Is there any function for that.Or we have to write code for that. thanks |
| | Hi iam developing one application where i need to to send simple sms from to tomcat server .. can any one help me in this.. if possible plz send me the sample code...how to configure port number and mobilenumber.. thanks&Regards Basha |
| | hey everyone i am pretty new to programming and i need a little help with a code that i am writting it is a pacMan and i need it to open and close its mouth but i am not sure how to do that i started an array with the … |
| | I need to make a java app that computes and prints mean and standard deviation for a list of integers x1 through xn. If anyone can help out, point me in the right direction even, that would be awesome, I get intimidated by these math problems when it comes to … |
| | Every time i try and run this program it gives me an error saying "cannot find symbol constructor AnimationThread" The error occures on line 26 I was woundering if someone could please please help me with this Thx!! import java.awt.*; import java.applet.*; import javax.swing.*; import java.awt.geom.*; import java.util.concurrent.*; import java.awt.event.*; … |
 | Hi there, Does anyone know any good books for Struts 2? I have tried reading: Struts 2 In Action, but I wasn't very thrilled about it Thanks |
| | Hi i created one jsp form with 2 fields..now in the first servlet i want check whether those 2 fields values are presented in the Database or not..if not then i want move those values to another servlet .. how can i do this?how to get the values (parameter values … |
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