35,619 Topics
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| | public class Calculator { public static void main(String[] args) { String s; // string that holds the expression s = JOptionPane.showInputDialog("Enter a simple infix expression: "); } } public static String infixToPrefix(String result){ JOptionPane.showMessageDialog(null,"Invalid character in expression: " + c); } hello guyz,,actually this is not my whole code,,i just … |
| | hi guys need some help im doing a website with database support. ive already created the html page with css styling ...with the normal layout wit div tags and rollovers and stuff... I need to make it a jsp page but when i copied the html as it is to …  |
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| | Hi, I'm new in Java, and I'm supposed to make a program that ask the user for her/his date of birth..... I know that the months have a specific values and that the first month of the year is January which value is 0 ... so when the user enter … |
| | hi, i have a problem while reloading the apllet with SwingWorker. it works fine in first time, if i reload with the same browser means the Applet window is opened but if i clicking the Download Button means it shows an Exception like "illegalThreadStateException" and it wont perform the copying … |
| | is this true? hql use xml to create results that hibernate can use. Simialar to the SQL? here is what I need in a table [code] SELECT i.instr_lname,b.book_num,s.stu_lname,b.book_start_date,b.book_start_time,b.book_end_time FROM instructor AS i,booking AS b,student AS s where i.instr_num=b.instr_num AND b.stu_num=s.stu_num; [/code] here is the mapping classes to the (obj)entity classes. … |
| | Basically, I am trying to solve a problem a textbook. The book requires me to use karel J robot to develop programming principles. So the problem is correctly the following code so that the robot will do this: attached This is the code I am suppose to fix. Currently the … |
| | My Code has a problem, either if my first void is static or not i get a error that i cant seem to fix. This is the error i get if the void is static [CODE]Java Compiler By Noj All underpreciated java will soon apear All errors within java files … |
| | I compiled this at school and swear it ran like a week ago. That was on a PC using Textpad, now I am on a mac using TextMate and I keep getting this error: class Checkerboard is public, should be declared in a file named Checkerboard.java public class Checkerboard extends …  |
| | Hi All, Below is the code I use in an Unix environment to connect to my organization's mail server(This is to read mails in my Inbox). [code=Java] import javax.mail.*; import java.sql.*; import javax.mail.internet.*; import java.util.*; public class readm { public static void main(String args[]) throws MessagingException { //Properties props = … |
| | Hi! I am a student taking my first computer science course. The course uses Karel J the robot to teach object oriented programming. However, after acquiring the library I was not able to find the "methods" or "behaviours" for the robot. According to the lecture notes they are suppose to … |
| | Hi, trying to understand this exception.. Happened after i removed and the jar files [code] 2008/09/10 02:08:41 org.slf4j.impl.JCLLoggerAdapter info INFO: Hibernate 3.3.0.SP1 2008/09/10 02:08:41 org.slf4j.impl.JCLLoggerAdapter info INFO: hibernate.properties not found 2008/09/10 02:08:41 org.slf4j.impl.JCLLoggerAdapter info INFO: Bytecode provider name : javassist 2008/09/10 02:08:41 org.slf4j.impl.JCLLoggerAdapter info INFO: using JDK 1.4 java.sql.Timestamp handling … |
| | Hi, i want to get a the value from a dropdown list i.e my dropdown list values are a b c i want to get b and put it in a textbox. anyone have an idea? thanks. |
| | Hi, I am new to JSP and am trying to do this. I am trying to search a table for data using the form entered data, display it to screen, allow user to change it. And this should update the new values in the table and write the old values … |
| | well, i started generating my code through Textpad, and when i run it, it runs smoothly, but if i am to create the jar file through Netbeans, it becomes a disaster and returns a null error. i cant even figure out where the error is... here is the part of … |
 | i have a method that saves an object to file : [CODE=java]public void Save() { if (canSave) { JFileChooser fileChooser = new JFileChooser(); if (fileChooser.showSaveDialog (this) == JFileChooser.APPROVE_OPTION) { ObjectOutputStream out; try { out = new ObjectOutputStream (new FileOutputStream (fileChooser.getSelectedFile ())); out.writeObject(this.game); out.close (); } catch (IOException ex) { } … |
| | hello guyz,,,i just want to ask if it's possible to put "my picture" in my code..at the JOptionPane?? ex: if i run my program,,the first that will appear is my picture before i start to input anything in the JOptionPane.. is it possible??? i hope you can help me guyz,, … |
| | hii. i wanna know how to send an email through my jsp page.Anyone plz help me. |
 | i have a clients.dat file with client info in it. i have gone through it to find the record i want to delete, used PushBackBuffer to unread the one i want top delete, skipped that bit and carried on reading the rest and writing it to clients.tmp. after i have … |
| | Hi, learning hibernate but still experiencing some errors and exceptions ... [B]My User.hbm.xml[/B] [code] <?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <hibernate-mapping> <class name="com.genuitec.hibernate.User" table="SNX_USERS" > <id name="userId" type="java.lang.Long" column="user_id" > <generator class="increment" /> </id> <property name="firstName" type="java.lang.String" column="first_name" length="20" /> <property name="lastName" type="java.lang.String" column="last_name" length="20" /> … |
| | Hi I was wondering if somebody could help me i am completelty stuck I want to read in triangle measurements from the command line check if the tri is square then when the user is done print out the amount of squares. the user would signfy that s/he was done …  |
| | Hello. I have built a hibernate project and the dropdown list and the table load data to the web page but the drop down list is not poulated with the names (derived from the xml id) There is a lot of code to paste. Is there someone that could help … |
| | Hi, I hav a problem at hand...plz help out. I am not allowd to compuet o(n)...i need to compute the algorithm in O(log n). Suppose there is some number N, and there are 7 elements in another array. Each element in the array is given another special number(one number per … |
| | hi, i need urgent help with my code. My program, which converts word strings to its number equivalent, only works with special cases. Example: "nine hundred ninety nine thousand nine hundred ninety nine" outputs 999999. (which is correct.) But try inputting "nine million nine hundred ninety nine thousand nine hundred …  |
| | Hi guys, the thing is: suppose that there is an application (assumed that we are using Windows) waiting for some input data. This could be a password, path, search criteria (for example in the case of Google). I would like my Java application to 'enter' some text, and then to …  |
| | Hi, I would like to know more about deploying Java application on mac.... I am going to start preparing a Java application which will be used by normal non-technical persons on mac. So, is it possible to create a setup like thing for users on Mac for a Java application. … |
| | I presume that by back button you are referring to a browser and you have implemented that with JSPs. In that case when the username and password are correct, save the username in the session before you redirect to the next page. Then when you go to the next page … |
| | Greetings, Within my jsp I have HTML code (see below) which accepts input, one of these fields sequence unlike the others is an Integer and within the HTML FORM the INPUT TYPE is set to "int". [CODE]<FORM ACTION="wk465682AddFAQ.jsp" METHOD="POST"> Id: <INPUT TYPE=TEXT NAME=Id><BR><BR> Category: <INPUT TYPE=TEXT NAME=category><BR><BR> Question<BR><TEXTAREA NAME=question COLS=100 … |
| | hi, :p i am trying to achieve a registration page in JSP. i am using tag library to do this. c tag library and Sql tag library. [CODE] <%@ taglib uri="http://java.sun.com/jsp/jstl/sql" prefix="sql" %> <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %> <c:if test="${param.submitted}"> <c:if test="${empty param.name}" var="noname" /> <c:if test="${empty param.pw}" var="nopw" /> … |
| | Hi, I really do need some help, and it seems, that this is the best place to get some. A while ago, i was looking for an alternative to stage 6 DivX hosting, when i came to a side which suddenly smashed a whole lot of spyware on my computer. … |
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