36,051 Topics
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| | I have a list of choise. All i want to do, is when i click on a element - to show the string of that element. Suppose i click on "Pizza" element, then i should to get at console (with System.out.println()) the word -Pizza. Any ideas or example will be … |
| | I am working on the following Java application Write a program that allows the user to enter the last names of five candidates in a local election and the votes received by each candidate. The program should then output each candidate’s name, the votes received by that candidate, and the …  |
| | Hi All, I have written two separate thread to run continuously in my project and now I am running those threads manually. When I deploy this project's war in tomcat server I can't run those thread manually. But my project need to run those threads continuously in my server. how … |
| | I have two methods that when prompted by the user will print out n amount of String on m rows, for ex: * 3 3 would print out: *** *** *** here is the code I have: [ICODE]public static void writeLine(String c, int n) { if(n==0) System.out.println(); else System.out.print(c); writeLine(c, … |
 | Is there a way that after you store something, such a Rectangle, to an object variable, say, Object x, that you can then look at object x, and determine it is indeed a rectangle, allowing you to use Graphic methods such as draw on said object? |
| | Hi I have problem with calling jsp using <a href> in scriptlets. Not able to call the jsp. I used the following code. but not able to enter in to ozCmnDeleteEntity.jsp. please give me solution. [code] out.println( "<a href=\"ozCmnDeleteEntity.jsp?objType=PROJECT&objId="+prj.getProjectId()+"\">"); out.println("</a>"); [/code] thanks in advance... |
| | hi i am new to java . there are many diiferent books i saw in java like javascript ,java programming,java soap,java data base and so......on what these and all whether i have read all these to learn java or how to proceed |
| | I have onebean.java file having [code] private String destinationOne; private String destinationTwo; private String destinationThree; private String destinationFour; private String destinationFive; private String destinationSix; [/code] and the corresponding set and get methods. and Im using these set and get methods in another java file. Here in onebean.java we have to … |
| | Hello Everyone, I am a new java user and i have a problem where i have made a servlet "Conn.java". In which i have established a connection and i m retrieving data from database using dsn. This data i store in a array list called rowsetArray. when i run just … |
| | i got one UI that created by java, i take it and generate jar file and when i double click that jar file to open the UI only program, it takes around five seconds, its quite long and my computer is dual core. if the same thing create in visual … |
| | how can i get examples for interfaces and methods of a Table class  |
| | Hello everyone, This is my first post. I devoted to the game development and community, I like it alot. I created game called "PongV1", like the classic old pong. It is written with Java with my own Engine. Before playing it you should have JRE 1.6 or up. Comment are … |
| | Hi, I am trying to make stroke and shape make a path like two sin curves. so a path from x,y to x2,y2 first is like ------------------------- will become /\/\/\/\/\/\/\/\ \/\/\/\/\/\/\/\/ if you understand what i mean. I am very confused am I suppose to be changing the shape or …  |
| | Hi, I am very very new to JSP so I urge you to bare with me. I have resolved my issue, however, I really don't like to solve a problem without understanding how I solved it. We use Weblogic 8 as out web server. The problem: JSP compilation error. It … |
| | Hello everyone. I'm currently having a problem with choosing one area in an array. For what I'm working on I'm trying to pick one seat in an array consisting of 10 seats. The first 5 seats are firstclass and the last 5 seats are economy. For example if the person … |
| | Hiya Guys and Girls I am wanting to develop a conference centre in Java. But before i start spending time coding I wanted to know if anyone had a generic code I can use just to save some time. Kind Regards Almostanangel |
| | Hello Everyone! I'm Glen, a student beginning to learn about Java. I need help, my instructor is not useful and my fellow students have no idea what their doing; their lost as well! I have an assignement which was do two days ago; i was not able to produce a …  |
 | I mentioned a few weeks ago about a memory problem that could not be solved due to the programming taking alot of memory. Now what am I to do? Anyway to expand the use of the memory or should I just use java? but will it have the same problem? …  |
| | I ran hijack this and saved the report it spit out. Didn't do anything more since I can't read these logfiles as of yet: Logfile of HijackThis v1.99.1 Scan saved at 1:16:54 AM, on 7/15/2008 Platform: Windows XP SP2 (WinNT 5.01.2600) MSIE: Internet Explorer v7.00 (7.00.6000.16674) Running processes: C:\WINDOWS\System32\smss.exe C:\WINDOWS\system32\winlogon.exe …  |
| | i have made my project using netbeans. I want to create tar file , how is it done. I want to an executable file to be made, and source code zipped to be used to modufy program later without using netbeans. I am really confused, can a poject made in …  |
| | Hi, I just started research and playing around with Java a week ago. My uncle's company gave me all the necessary software and everything, and now I am trying to learn as much as I can in the fastest possible time. Browsing through the first page, I realized that I … |
| | I'm using odbc:jdbc bridge and an access db and I always get this error: Driver does not support this function [code] <%@ page import = "java.sql.*" %> <%@ page import="java.io.*" %> <%@ page import="java.util.*" %> <HTML> <title>Stock Portfolio</title> <body> <body bgcolor="gray"><center> <table border = 1> <tr> <td><th>Symbol</td></th> <td><th>Type of Transaction</td></th> … |
| | my assignment is to write a 2 functions that check how many elements are in a linked list one of the functions have to solve it recursively and the other through the use of a loop. When compiling my code, I run into a load of errors and can't seem … |
| | When one thread is executing a synchronized method for an object, all other threads that invoke synchronized methods for the same object block. What is happen when too many threads (for the same object) for example 100 Threads invoke this method and want to send data? In which order can … |
| | Hey all! I've been struggling with a problem for a week now, and it seems that I'm stuck. PROBLEM ONE: I'm trying to make a "Dynamic" Combobox? Well, I'm trying to read in an XML file, and based on the number of Nodes in that file, i wish to create … |
| | Is it possible to send something like, a Frame or Applet to a target computer? If not, how would I set it up so that two users from two different computers could interact with the same JFrame or JApplet? Edit: No I'm not asking for code, just general advice* |
| | I got error while i am trying to use java generic classes in jsp. Is there any cofiguration required to solve it. I use java 1.6 Tomcat 6  |
| | Hai guys, I am new at jsp.I have made a simple j2ee application in which i am getting class cast exception in PortableRemoteObject.narrow function. The exception is: [code]org.apache.jasper.JasperException org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:384) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:297) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:247) javax.servlet.http.HttpServlet.service(HttpServlet.java:860) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) java.lang.reflect.Method.invoke(Method.java:585) org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:249) java.security.AccessController.doPrivileged(Native Method) javax.security.auth.Subject.doAsPrivileged(Subject.java:517) org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:282) org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:165)[/code] The root cause is : [code]java.lang.ClassCastException com.sun.corba.ee.impl.javax.rmi.PortableRemoteObject.narrow(PortableRemoteObject.java:229) … |
| | Hi, Here is my jsp page where i trying to display the data from table. Here form1 is the name of drop down list in my searchuser.jsp page. The content in the drop down list is a name of one column of the database. I am able to connect firstjsp … |
| | i need help..... i need to write a SHORT java program that takes two arrays a and b of length n storing int values, and returns the dot product of a and b. |
| | Hello, I have done the code for the final part of the Java Inventory Program in my class. This is the requirements for the final code. • Modify the Inventory Program to include an Add button, a Delete button, and a Modify button on the GUI. These buttons should allow … |
| | Hi : I need some information about installshield java edition. please help me if you can.It is so important for me. thanks. |
| | Forgive me for my lack of Java-lingo. In fact I'd like to find a book someday that will teach me all of the definitions of words that are mentioned for Java classes and objects, as well as processes, etc. If the title isn't at all clear, what I mean is … |
| | I'd like an opinion, although it will probably be biased since I'm asking the members of the C++ forum and not the members of Java. I'd also like to apologize in advance if this topic has been done before, but I don't like bumping old topics from years ago. I … |
| | Im new to java and i want to know how to capture java compiler syntax error messages. . .please help me. |
| | Hello All, OK I have a nagging question that I need to put to rest right away, or else I am going to go amok. In Visual Basic you can declare an array without knowing its size, and then redim the array again once the array size is known. Now … |
| | I am having a problem getting the sales part of this to display a $ sign and 2 decimal places. Where would I have to insert the command to have that display as $45000.00? One other question is there a way to get this to display the result all on … |
| | Hi i have a teensy problem that i need help with, as i mentioned earlier in some previous thread (can't remember when!) i'm creatin an applet based tutorial. It's nearly finshed thank god except for the last applet i seem to be getting an error that i can't fix. heres … |
| | Is there a way to make a frame totally wipe all traces of itself (make it return null) by pressing the X on the window? setDefaultCloseOperation(DISPOSE_ON_CLOSE); doesn't actually make the frame return null, rather, it saves its state and cleans it out of memory... A call to show or pack …  |
| | hi guys, how to add a line numbering system for a jeditor text area  |
| | I am wondering what does people put for programming experience time frame? Do they put the total years of which they programmed for companies or do they put years where they learned and mess with programming like in college, high school, etc. I am asking this because lot of jobs … |
| | [CODE] public class test { public static void main(String [] args) { Person p = new Person("ABC"); p.setName("DEF"); changePerson(p); System.out.println(p.getName()); } public static void changePerson(Person p) { p.setName("GHI"); p = new Person("JKL"); p.setName("MNO"); System.out.println(p.getName()); } } class Person { String name; Person(String name) { this.name=name; } public void setName(String n) … |
| | [code=java] import java.io.*; class Factorial{ public static void main(String[] args) { try{ BufferedReader object = new BufferedReader(new InputStreamReader(System.in)); System.out.println("enter the number"); int a= Integer.parseInt(object.readLine()); int fact= 1; System.out.println("Factorial of " +a+ ":"); for (int i= 1; i<=a; i++){ fact=fact*i; } System.out.println(fact); } catch (Exception e){} } } [/code] Trying numbers … |
| | are there any good (comprehensive) tutorials that anyone knows of for the SAX parser? i cannot find a good one |
| | Hai friendz ,iam doing project in mobile i done small application in j2me its working fine when i send via bluetooth to mobile but iam trying to download jad file from apache tomcat server its working fine when download in my system, when iam trying to download jad file from … |
| | I just started research and playing around with Java a week ago. My uncle's company gave me all the necessary software and everything, and now I am trying to learn as much as I can in the fastest possible time. Browsing through the first page, I realized that I wanted … |
| | I'm getting ridiculous results in my program! Seconds work fine Decaseconds (1/10 of a second) work ok Centiseconds seem a bit off Milliseconds are completely off... Here's the code-- [code=java] import javax.swing.*; import java.awt.event.*; public class Clock{ private Timer t; private long startTime = 0, finishTime = 0; private boolean … |
| | when creating jar file i use following command in DOS [CODE] jar cf UIA.jar *.class *.jpg *.html *.xml *.jhm *.jar [/CODE] then i adding manifest by typing following command in DOS [CODE] jar cvfm UIA.jar mainClass.txt [/CODE] when i double click the jar file, nothing come out, i think maybe … |
| | Does J2EE support TCP connection? If yes, how can I use these in J2EE: java.io.DataInputStream, java.io.DataOutputStream and java.net.ServerSocket Some one said to me there is no chance: Specifically, enterprise beans should not: listen on, accept connections on, or multicast from a network socket! Is this correct? Please help!?! |
| | Is there anyway to create a new thread..basically create an object of a class within an existing thread and kill this existing thread so only the newly created child remains? |
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