36,051 Topics
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| | hi how i can write the code for servlet that accept message from client. i wrote the code for socket server that accepts message from client. but i am unable to write the code for servlet. please help me. thanks |
| | I am trying to write a sample program that can call use the main method of "SequenceFilesFromDirectory", which aims to convert a set of files into sequence file format. [CODE]public class TestSequenceFileConverter { public static void main(String args[]){ String inputDir = "inputDir"; String outputDir = "outoutDir"; SequenceFilesFromDirectory.main(new String[] {"--input", inputDir.toString(), … |
| | I am a VB.net programmer and I am very new to PHP HTML and Java Scripts I am doing a project for my company using PHP HTML and Java Scripts and I want to Know how to make readonly a text box after it gets the input This text box … |
| | Unix server - function(). I want to call this function through java program and track the result. help me. |
| | Hello everyone first of all thanks to daniweb and all users to help me lots of time. now come to problem i am learning java from last one month today i wrote a program to swap two objects it is running but not performing desired task. all instance fields are … |
 | Hello everyone. I just started on 'converting' my multiplayer text RPG into a graphical form. What I am trying to do is this: Create a title window, basicly just a JPanel with one image filling the space. To this JPanel I add a MouseListener. When a user clicks the window … |
| | Hi, I'm new in this forum and I'm here to ask help on a topic the lecture I didn't turn up. I'm new to creating a search function for my Java application where the user can view the information of the books, such as title, author and the price of … |
| | Hi, I am fairly new to Java and am about to begin a programming course in the next week. I am preparing by completing exercises and am stuck on this particular one. Basically, i need to read a file in a certain format and calculate some figures and writing the …  |
 | Hi friends If we will override nonstatic methods or if we will overload non static methods means shall we say it is the run time polymorphism? Is that so how to give example for compile time polymorphism in java? If i will override static method means, friends are saying it …  |
 | Hey everyone, my if-statements are working as expected. Actually, they are not working at all. The syntax is right but they are never run. The program terminates before it runs them. [code] public static void main (String args[]){ Scanner input = new Scanner(System.in); Display fName = new Display(); // creating … |
| | this is in execute method() { Process p = Runtime.getRuntime().exec(command, env); } System.out.println(r.execute(" C:\\Program Files\\Java\\jdk1.6.0_21\\bin\\javac demo.java” , null)); System.out.println(r.execute(" C:\\Program Files\\Java\\jdk1.6.0_21\\bin\\java demo”, null)); i want to run demo.java from this code i used timer class also. i got the error "Illegal execution time" i dont know why when i run … |
| | Hi All, Currently we are using the code below to fire soap requests, with an input xml and the endpoint url. However, I would like to sign the input soap request using a jks file. How can I modify the code to perform the sign action as well. [url]http://www.ibm.com/developerworks/xml/library/x-soapcl/[/url] |
| | How to Load data with refrential integrity in java (Teradata). if I ran the work flow the data should be loaded to final table. so that i need to populate the source tables with proper refrential data. how to populate refrential data to the source table properly. Thanks in advance. |
| | explain how to pass parameter to thread?? |
| | Hello, Can anyone please tell me how to get the arraylist in servlet? Using dao layer, I have connected to database and got the arraylist values. Now I need to pass it to Servlet through service layer. How to use that request.setAttribute in Servlet and how to redirect that arraylist … |
| | utilisateurs.java [ICODE]package Model; import Model.base.BaseUtilisateurs; /** * This is the object class that relates to the utilisateurs table. * Any customizations belong here. */ public class Utilisateurs extends BaseUtilisateurs { /*[CONSTRUCTOR MARKER BEGIN]*/ public Utilisateurs () { super(); } /** * Constructor for primary key */ public Utilisateurs (java.lang.Integer _iduser) … |
 | Guys,i have to develop a simulator for Merge sort algo in java.I'm familiar with Java.But i have no idea how to do that.Java applet is easy? or it can be done as a Desktop app.My idea is to do as a desktop application.The programme should allow user to input a … |
| | what is correlation Exception in java?? |
| | Hi...I did some book exercices..i want to ask you are these code right or not? Question1---Write a programme to display a random choices from a set of 3 choices for breakfast.... i wrote this code... public class Exercice3_1 { public static void main(String[] args) { String breakFast = null; int … |
| | Hi! Could Someone please explain me the difference between[I][B] "Pass By Value"[/B][/I] & [B][I]"Pass By Reference"[/I][/B] In Java? I can't understand it clearly. Please give some [I][B][COLOR="Green"]easy example[/COLOR][/B][/I] and little [COLOR="Red"][B][I]description[/I][/B][/COLOR]? Any help would be appreciated. Thanks.:-/ |
| | which tomcat version is application server .? how to use that .. |
| | hi... am develop simulator project...using java (java run time environment) for that can use applet method or java gui frame method.. suggest me.. |
| | Im really bad at programming just started recently and i was wondering how would you combine these for loops since they look the same except for the paramaters this program makes stairs. Thanks a bunch [code]import java.util.Scanner; public class example { public static final int SUB_HEIGHT = 4; public static … |
| | Hi friends, What is the main benifit of using GWT in web applications? Is there any popular sites which has been developed by using GWT? Which is the best website to learn about GWT with easy examples? Thanks in advance ! |
| | Hi.. Can you help me to understand clearly ,what is abstract class? And how i will used it, how it behaves in a class. Thank you in advance! |
| | Here is my code. my problem now is how to convert it to GUI. [CODE]public class ProductController extends ProductModel{ public String getPname(int barCode){ return this.pname(barCode); } public double getPrice(int barCode) { return this.price(barCode); } public void displayCartControl( int retryTrigger ){ this.displayShoppingCart(retryTrigger); } } [/CODE] [CODE]public class ProductModel { public static … |
 | I am working on my java code using combo box.............I compiled it and it says process complete....BUT.....I cannot view it in applet viewer.....whenever I click the play button, it displays "java.lang.NoSuchMethoderror:main" "Exception in thread "main"............. what do these mean???? How can I make it be displayed in the applet viewer?? …  |
| | Hi all! I want to learn PHP myself using internet , i have the knowledge of java, Servelet, JSP, Mysql, HTML, Javascript and css. Is it possible for me to learn PHP without any guidance using internet? Is php more difficult then jsp? I want to create various dynamic websites … |
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| | i came to know tomcat is primarily used as JSP/SERVLET container where u can run java codes on that web server .. my doubt is why cant apache http server itself serve as JSP/servlet container with some modules attached ??? and one more thing --> can apache http server used … |
| | I was writing a program that involves the console inputting integers and strings. For my project i prompt the user to enter the number of strings he would like. Then i prompt the user to enter the strings so i could order them alphabetically. I am supposed to use any … |
| | How to create installation setup in java? Thanks in advance. |
| | Hello. This java app I'm developing on NetBeans 7. When i run the project, line 4 below: [code=java]FileReader input = new FileReader("projects");[/code] is not executed and apparently stops execution. Only when debuggin the file or running step by step are the next lines executed. No execution past line 4, except … |
| | Hello, Are we allowed to assign different values to just one variable? For example, gender = [Female, female, fEmale] so if one a user enters any of the specified ones then he/she will be taken to the next step/level. I'm just doing a tute at the moment and coming up … |
 | i have added a picture panel in jscroll pane [code] scrollpane.add(pic1); [/code] now i want that on run time when user click on another pic panel it will be shown at pic1 scroll pane, so i simply use this code [code] scrollpane.add(pic2); [/code] but it doesnt work , so i … |
| | As we can tell from the last coding experince I am clearly not the best at this coding thing. I know now what I need help with and how to ask so this project is "Writing a Java class definition and instantiating the class in a program" Write the definition … |
| | [B]Can anyone help me. I have been bangin my head on this one for two days. variable number may not have been initialized. code to enter single digit number and return largest of ten. code is as follows.[/B] [code] // Java packages import javax.swing.JOptionPane; public class Counter { // main …  |
| | How Comparable is marker interface when it is having int compareTo(Object o) method... we can say it as just interface...??  |
| | I have to read an Excel file and transfer the contents to the database using Java swing.The excel file contains questions for the surveys with options for answers or responses.The database should have a table say Question with columns "Question No., Question, Option 1, Option 2 and so on".I have …  |
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| | [CODE] if (fileScan.hasNext(posPattern)) { posCB = fileScan.nextInt() + 1; for (int i = posCB; i > 0; i--) { String writeByte = fileScan.next(); BufferedWriter out = new BufferedWriter(new FileWriter("E:\\dataReadable.txt")); out.write(writeByte); out.close(); }//for } [/CODE] Using a for loop, how would I write to the file without clearing the contents, so … |
| | I am outputting the contents of a product from a product object(containing catalog no, product name, vendor, price, quantity(a textbox) and a checkbox(to select the product)) as a tabular display. When a user checks a checkbox(indicating the product checked), I get the values into a servlet. However, when I have … |
| | [CODE]class Test{ static String str[]; public static void main(String args[]){ System.out.println("args "+args); System.out.println("str "+str); } }[/CODE] [U]Output[/U] args [Ljava.lang.String;@3e25a5 str null My doubt is ... How some object address is printing for args when it has not initialise. In case it has got initilised ,without array size specifiction how its … |
| | Can you fix the numberformatexception [code]import javax.swing.*; import java.awt.*; import java.awt.event.*; public class Main extends JFrame implements ActionListener { int inputtedxend,inputtedyend,inputtedSAngle,inputtedarcAngle; int inputtedxpoint,inputtedypoint,inputtedx,inputtedy,inputtedwidth,inputtedheight; JLabel title=new JLabel("Choose a Grapic Method: "); String select []={"","DrawLine","DrawOval","DrawRect","DrawArc","DrawString","DrawRoundRect","fillRect","fillOval", "fillArc"}; JLabel xend=new JLabel("Enter X end point:"); JTextField inputxend=new JTextField("",5); JLabel yend=new JLabel("Enter Y end point:"); JTextField … |
| | HOw can i store image in ms access database...plz suggest |
| | Process p = Runtime.getRuntime().exec("C:\\tc\\bin\\" + prog_name , null); BufferedReader stdError = new BufferedReader(new InputStreamReader(p.getInputStream())); System.out.println("Here is the standard op :\n"); s1=stdError.readLine(); i have this code can anyone tell me how to run c program using java thanks ! |
| | How to create report in core java |
| | Hey everyone, Just curious why my little program doesn't go through the if-statement I specified in it. [code] public static void main (String args[]){ Scanner sc = new Scanner(System.in); System.out.println("Enter a value for girls:"); int GIRLS = sc.nextInt(); System.out.println("Enter a value for boys:"); int BOYS = sc.nextInt(); if (BOYS == … |
| | Hi, I am now stuck on problem is that in our application used thread and that start in jsp page. so here problem is once thread started and after completion of run method it goes to dead. we can not restart dead thread. so whenever goes that jsp page trying … |
| | Hi guys, any1 here know about servlet mapping? I m having problem at here...it keeps saying error 404 not found... [CODE] <servlet-name>myProject</servlet-name> <servlet-class>myProject.MyProjectServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>myProject</servlet-name> <url-pattern>/myProject</url-pattern> </servlet-mapping>[/CODE] |
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