36,051 Topics
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| | Hey guys, I have some Java code here, which checks whether a word is present in a sentence or not: [CODE]import java.io.*; class search_arrays { static void search()throws IOException { BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); System.out.println("Enter a sentence: "); String s=br.readLine(); s+=" "; String[] x=new String[s.length()]; int a=0,b=0; for(int i=0;i<x.length;i++) { … |
 | Hello. I'm starting to have a headache at solving this. I work in Eclipse IDE and run the project on tomcat server. What i do is this: i have a form, like this: [code=html] <form method="GET" action="http://localhost:8080/BookShelf/ComputeSearch"> <p>Book <input type="text" name="book" size="7"/></p> <p>Chapter <input type="text" name="chapter" size="5"/></p> <p>Verse <input type="text" … |
| | Hi all, I have a task in which I have data of different classes.And I have to perform K-means clustering on each class to reach the right combination of clusters. Can somebody give any link of code or help for this. Thanks Gaurav  |
| | hi everybody.... i need to make an application to display images in j2me form. i can display those images but the problem is i have to display it in a row... from right to left until all the images has displayed.. and if the screen is'nt enough it will display …  |
| | Hey, I really need you guys help as I had been searching info on displaying blob images from database for weeks:( I tried to add in the code that i think would display however it only display the path instead if the image. [CODE]<%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%> <%@ … |
| | Please help me in setting apache-tomcat-6.0.20 on linux. When I use the code [QUOTE]sh startup.sh[/QUOTE] I see this. [QUOTE] Using CATALINA_BASE: /home/apinder/apache-tomcat-6.0.20-src Using CATALINA_HOME: /home/apinder/apache-tomcat-6.0.20-src Using CATALINA_TMPDIR: /home/apinder/apache-tomcat-6.0.20-src/temp Using JRE_HOME: /usr/java/jdk1.6.0_14/[/QUOTE] No error message is shown here, but if I open [url]http://localhost:8080/[/url] tomcat default page doesn't open. I haven't changed … |
| | i want to create a moving graph whose y value progresses with the slider value.i am confused whether to implement it using JFreechart.Is there a simpler method? How should i go about doing this? |
 | hi.. this is my new program .. i want a fix or constant answer like, when the answer in: Student Name: Monica Clare then it proceed to another question.. but when.. Student Name: blah blah then. it shown error_message that it is invalid answer,, .. please help me debugging this … |
| | I already have 3 Javascripts working that I trigger within my <td>'s like this: [code]<td onMouseOver="mover(this)" onMouseOut="mout(this)" onClick="mclick('test.html')">Test Button</td>[/code] I have now coded up 1 Javascript function to handle all 3 events (using if statements). But how do I trigger the calling of that function inside my <td>'s? I was … |
| | I saw a similar problem to this, but couldn't understand the solution the guy used. I have to sort this tunes program in order by title. It seems like there is a problem with my sort algorithm, but I cannot figure it out. Here are the classes. [code] public class …  |
| | Hello Sir /Mam, Im starting learner in java.I used db queries like insert ,delete,update only.I want to learn how to use store procedure ,triggers,function with java.can u give some guidence refer some good website to learn db with java and books,tutorials. Plz help me to learn those things.Hopefully i expect … |
| | I have a small question. I am using a JFileChooser in one of my projects and I want to make it so that I cannot edit the file name. Is there any way to do this? |
| | plz tell me something abt industrial pro developments in C++/ JAVA i m a diploma student |
| | Hello, I have a Tree that consists of TreeNodes, where TreeNode is public class TreeNode { private String label = null; private String data = null; private TreeNode parent = null; private Vector <TreeNode> children = null; } I also have a HashMap <String, TreeNode> that keeps the label of … |
| | Hi, i want to know how to extract values from drop down box for processing in next field. In my file first drop down has list of countries taken from a database. I want to show location of that particular country in the other dropdown. The list of all locations … |
| | What is the difference between MVC1 and MVC2? |
| | Want to create a small project for online exam using jsp. As of now I am unable to find, how can I > Get random questions from mysql database > Put the timer, so that the exam result is shown automatically after the specified time for exam is over More … |
| | i am not getting the desired output(the contents in a text file which i have saved in the jdk bin here is my code i got. Also what is return in the try catch block i wanna know. it says file not found [code] import java.io.*; class FileDemo { public … |
| | I want to create a forum for the college. Could anyone tell me the [U]suitable platform or software[/U] that supports forum creation. |
| | I have installed on Linux Tomcat 5.5. I have no problem accessing jsp pages. However, I have problem accessing a test hellow world servlet. I tried the following url on my local tomcat on win xp and it worked. [url]http://localhost:8080/hw[/url] Attached is a copy of my web.xml file I used … |
| | i cant compile and run my program. . tell me what to do! T_T |
| | Please help me with the code snippet to this java application |
 | I was trying to read a file and print it to the JTextArea in other class. My program complies but its not printing the file content in JTextArea. Here is my MouselIstener Code [CODE]class MySaveMouseListener extends MouseAdapter { MyClass1 myobj = new MyClass1(); public javax.swing.JTextField myjtext = myobj.getTextField(); public String … |
| | my code : ********uploadImage.jsp************* [code=JSP]<form action="UploadImage" method="post" enctype="multipart/form-data" name="productForm" id="productForm"><br><br> <table width="400px" align="center" border=0 style="background-color:ffeeff;"> <tr> <td align="center" colspan=2 style="font-weight:bold;font-size:20pt;"> Image Details</td>[/code] ******UploadImage.java****** [code=Java]import java.io.*; import java.sql.*; import java.util.*; import java.util.regex.*; import org.apache.commons.fileupload.servlet.ServletFileUpload; import org.apache.commons.fileupload.disk.DiskFileItemFactory; import org.apache.commons.fileupload.*; import javax.servlet.*; import javax.servlet.http.*; public class UploadImage extends HttpServlet { @Override public void … |
| | Hi all , I have a servlet program, this program will get a user name and password from a web page. I need to check the user name and passsword entered by user with a data file has all user names and passwords. the thing is I know how to … |
| | Hi, I like to add textbox based on the user selection in drop down box,I have used an function to do that but its not workin,also i like to append the selected value(from drop down) to the input from the text box. Cheers! lpk |
| | I want to create a tabbed menu using jsp. Any example would be helpful so that i can start working on it. |
| | [code] package awt; import java.awt.*; public class GraphicPanel extends Panel { GraphicPanel() { setBackground(Color.black); } public void paint(Graphics g) { g.setColor(new Color(0,255,0)); g.setFont(new Font("Helvetical", Font.PLAIN,14)); g.drawString("Pusyy Cat Program!", 300, 100); g.drawOval(150,200,50,50); g.drawOval(200,200,30,30); g.setColor(new Color(1.0f,0,0)); g.fillRect(30,100,150,10); } public static void main(String[] args) { Frame f = new Frame("Pussy Cat Window"); GraphicPanel … |
| | I'm retrieving a list of names from MySql database in Java using JDBC with the help of CachedRowSet. After retrieving the list I'm appending a counter value to every name. Finally I'm updating the modified names in the database. I'm using: MySql: 5.1 Connector/J 5.1.7 JRE 1.6 Win Xp SP3 … |
| | Hi!!! am a cse student How to create packages in java? i used da "package" keyword and created a class in dat file . It gets compiled , but while execution i get dis error: "Exception in thread "main" java.lang.NoClassDefFoundError:" if i try to execute it by givin "java packagename.classname" … |
| | can you pl help me out on this problem ..i have spent a lot of time on this question but iam unable to find the answer What if i want to write a class in such a way that only one instance of it can be created , and anyone … |
| | Here there is a requirement in my project, like sending a automatic mail to a particular person,at particular time. for examples: If there is an expiry date for a customer's account, a week before the expiry date a mail should be send to the customer as a remainder. But, at … |
| | Code for Upload.... strLegalDocId = strMerchantId + strLegalStruct; String strSql = "{call Insert_FileData(?, ?, ?, ?, ?, ?,?)}"; objCst = objCon.prepareCall(strSql); objCst.setString(1, strMId); objCst.setString(2, strLS); objCst.setString(3, strFieldId); objCst.setString(4, strFileName); objCst.setString(5, strLDId); bFileSize = inpStream.available(); objCst.setBinaryStream(6, inpStream, bFileSize); objCst.registerOutParameter(7, Types.CHAR); objCst.executeUpdate(); strStatus = objCst.getString(7); System.out.println("strStatus : " + strStatus); Code for … |
| | hi, i would like to design an intrusion detection system-type of software. is it best to use Java for it? |
| | hi all , I am new to this forum I have a simple question why getParameter() doesn't work with me . My java server page is as follow: [code=Java] import java.io.*; import javax.servlet.*; import javax.servlet.http.*; public class InputServlet extends HttpServlet { public void doGet(HttpServletRequest request,HttpServletResponse response)throws IOException, ServletException { String … |
| | Hi, I need to create a program in java that will create versions for the different text files I upload to my specific folders. Like suppose:- 1) I have downloaded 1st batch of files. Version control software will create some version ID for them based on date. 2) When I … |
| | Below is the scenario.. First Page Second Page Radio button 1 Radio button 2 Submit. I select the first Radio Button and submit and then i go to second page where i have some content. Now when i go back to first page the same radio button which i had … |
 | Plssss someone help me in JAVA? I have the code here name the file as ifmdas.java: (the code is) [CODE=java] import java.io.*; public class ifmdas{ public static void main(String[] args) throws IOException{ BufferedReader stdin=new BufferedReader(new InputStreamReader(System.in)); String option, firstnum, secondnum; int num1, num2, prod, quo, sum, diff, choice; System.out.print("Choose An … |
| | New to Java and need some help...I am getting several Errors and I am not sure why here is the code and the error messages: [Code] import java.io.*; import java.util.Scanner; import javax.swing.JOptionPane; import java.util.*; import java.text.*; import java.lang.*; import java.math.*; import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.net.URL; public class … |
 | My Spring.xml is something like this: [CODE] <beans> <bean id="mailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl"> <property name="host" value="_local-mail-server_" /> </bean> <bean id="businessLogic" class="com.logic.BusinessLogicImpl"> <property name="mailSender" ref="mailSender"></property> </bean> </beans>[/CODE] And bean definition is as below: [CODE] import org.springframework.mail.MailException; import org.springframework.mail.MailSender; import org.springframework.mail.SimpleMailMessage; public class BusinessLogicImpl implements BusinessLogic { private MailSender mailSender; public void setMailSender(MailSender mailSender) … |
| | Hi everyone ; I have read The JFreeChart Class Library Version 1.0.13 Installation Guide and I follow the instruction there but I got some errors while the Installation; allow me to show the steps that I have followed and the errors I got : 1. Download jfreechart-1.0.13.zip and jcommon-1.0.16 files … |
| | After a little research I discovered some Calendar methods that were pretty nice. [CODE=Java]Date date = new Date(); int daysSinceSeen = - ( rand.nextInt() % 365 ); Calendar calendar = Calendar.getInstance(); calendar.setTime(date); calendar.add(Calendar.DATE, daysSinceSeen);[/CODE] How could this code be returning a date in 2010? Do I have a bug that … |
| | Good evening, I have the need to learn how to make a picture jigsaw with java. I have been looking for hours on the web for some kind of tutorial, source code example, something anything and I haven't been successfull in finding something I could work with. Would somebody have … |
| | plz tell java script checks for not insert blank value in database when using fckeditor????? when i not insert any record,the script runs like enter ans but value also inserted in data base..i want not insert blank value and check also runs .... my code is that: [code=php] <script type="text/javascript"> … |
| | I'm back to start again with GBL. Application start-up layout is as desired. However as soon as I draw upon "main page view panel" with paintComponent() page view panel does overlay thumbnail panel on the left. [attach]10801[/attach] Code for main panel to group up 3 main components [code=Java]public class RottrMainPanel … |
| | Hi to all programmers.. i have a problem about this code .. i don't know what to do to this code.. i change a lot of code .. but always appear the error "illegal start of expression" .. I'm a newbie in Java.. please help me in this case.. thanks.. … |
| | Hi. I have some data that I need to store in a file, and (for simplicity's sake) I was considering using bitwise operators to pack it all into a single hex or dec number. I've never user bitwise operators, as they really confuse me. If anyone has any pointers and … |
| | Hi, I have a problem repainting Jpanel. I wrote a simple code just to check whether it works, but notnihg is happening. Function initPanelAnswer should initialize answer panel with some image, but I wanted to make it more simply. So, according to my logic, this should print out "Paint Component", … |
| | Hi everybody, I am going to develop a web application by using jsp, in this application when I retrieve multiple rows from table into form as following : [code=jsp]<%Vector v1,v2; jmm.Database database = new jmm.Database(pageContext.getServletContext().getRealPath("/WEB-INF/config.txt")); database.jdbcConnect(); String sql; sql = "select question_text from tableA where type = 'Student'' "; v1=database.jdbcMultipleRowQuery(sql); … |
| | Hi everyone; I have table contains question and answer columns , the answer either yes or no , I want to count the answer yes and answer no then compare the two results and if the count(answer) yes is greater than count (answer) no print yes else print no I … |
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