35,618 Topics
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| | part of the program i am creating requires me to print out all of the links from a desired webpage. I have absolutely no idea on how to go about this. help? thanks |
| | Hey guys I have a quick question on my hw, I have found everything needed except the "unusual scores". this is the direction given: Determine which of the grades, if any, are "unusual" in the sense that their corresponding z-score is < -2.0 or > +2.0. A z-score is computed … |
| | I am writing a game of three dimensional tic-tac-toe. I need to have a method that can look at the board, and determine if a player has won. Your requirement is that this method is passed an array that represents the board, and returns an answer that can be used … |
| | My aim is getting client's AD login ID for authentication. I tried to use <%String remoteUser=request.getRemoteUser();%> but it returned null value. Actually, I have found a way to solve it from the internet. And it is about doing something on tomcat's file "\conf\server.xml". However, there is no clear step describing … |
| | how can i call data from usb to my "main" at desktop. Example i want to call the variable 'x' at my file in usb, then use it in my desktop file..  |
| | Hi, I'm just learning to program and I'm stuck on a basic problem, printing today's date in a form typified by (e.g.) 28 February 2011 Java Syntax (Toggle Plain Text) import java.util.*; class Date { int day, month, year; } class PrintToday { static Date thisDay() { Date today = … |
| | How do you determine what the main hard drive is? This is what I have: [CODE]filename="savefile2.txt";[/CODE] and this is pseudocode for what I want: [CODE]filename="MainDrive:/JavaProject/savefile2.txt";[/CODE] My problem with it is, what if C: isn't the name of a person's hard drive? F:\ for instance. And also, if the folder name … |
| | [CODE] class Switch { public static void main(String args[ ]) { String season; int month =10; switch(month) { case 12: case 1: case 2: season = "Winter"; break; case 3: case 4: case 5: season = "Spring"; break; case 6: case 7: case 8: season = "Summer"; break; case 9: … |
| | hi!!! i have got a small problem wid an sql query that i m writting in jsp the query is real simple... but i dont know y m not gettin it... [CODE] q="select '" +col+ "' from '" +ta+ "'"; Class.forName(sq.getName()); cn=DriverManager.getConnection(sq.getConnstr(),sq.getUser(),sq.getPwd()); st=cn.prepareStatement(q); out.println("before query1"); rst=st.executeQuery(); [/CODE] [CODE] q="select ? … |
| | This program is supposed to take the array of command line arguments and sort them alphabetically. Problem is I'm getting an ArrayOutOfBoundsException somewhere. I also have a problem with the while loop. The way I've decided to alphabetize the array with looks a little bit shoddy. My plan was to … |
| | I have a Java application which uses a MySQL select query i want to use java array elements for In condition.for eg [CODE]select * from table where shortcode IN (aray[]);[/CODE] is it posible to use java array in mysql |
| | Hello all I am using reading a config file in which there is a entry [CODE]code_list="515,522,560,000" [/CODE] while i am reading this string in my java application and using split on it and then assigning it to a string[].it is giving null pointer exception.needed code is as follows [CODE] static … |
| | Please Urgent help....! the difference between float and double... but a Detailed one.... because it makes me confusing and i'll be very grateful....  |
| | ..I am trying to create an ATM-like java applet program that will enable a user to check for their balance, make a deposit and withdraw a certain amount.. ..The program will require a swipe card number(as if it is was a real ATM) but should be already included in the … |
| | [CODE]import javax.swing.*; import java.sql.*; import java.awt.*; import java.awt.event.*; import java.lang.*; class Main extends JFrame { public Main(String st) { setLayout(null); setDefaultCloseOperation(javax.swing. WindowConstants.DISPOSE_ON_CLOSE); JLabel lab=new JLabel("Welcome "+st+"!! \n Click OK to Continue"); JButton OK = new JButton("OK"); OK.setMnemonic('k'); OK.addActionListener( new ActionListener() { JButton OK; public void actionPerformed(ActionEvent e) { [COLOR="Red"] Main();[/COLOR] … |
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| | Hello everyone! :) Here I come to you again with a question. I need some ideas on how make a java program that can work with big numbers, without using special java API`s like java.util.BigInteger and java.util.BigDecimal. This program will be able to substract and concatenate. My idea would be … |
| | I have a class file with my method to read for prime numbers in my text document, and then my main java file calls on it using the file input code. I am lost in my code, and not sure what is going wrong, because it just reads out 0 …  |
| | guys i really need your help about my project anyone can help me i will appreciate it because its due on 3/3/11. thank you and GOD bless! 1.Write a program that takes a one-line sentence as input and outputs the following response: If the sentence ends with a question mark …  |
| | hi i want to read barcode from tiff file (image) so what i do for that is there any library and sample code for that plz help thankx |
| | Hey Guys, I am working on an assignment where we are supposed to output the date in different formats for example, month, date, year or date,month year, I have implemented a method to change for the arrangement of dates, It builds successfully but has errors when it runs plus it … |
| | description The server encountered an internal error () that prevented it from fulfilling this request. [code=text]exception org.apache.jasper.JasperException: Unable to load class for JSP org.apache.jasper.JspCompilationContext.load(JspCompilationContext.java:599) org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:137) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:314) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.displaytag.filter.ResponseOverrideFilter.doFilter(ResponseOverrideFilter.java:125) com.ochre.ewash.core.web.filters.EwashReportFilter.doFilter(EwashReportFilter.java:70) com.ochre.ewash.core.web.filters.EwashAuthenticationFilter.doFilter(EwashAuthenticationFilter.java:54) root cause java.lang.ClassNotFoundException: org.apache.jsp.FileUpload_jsp java.net.URLClassLoader$1.run(URLClassLoader.java:200) java.security.AccessController.doPrivileged(Native Method) java.net.URLClassLoader.findClass(URLClassLoader.java:188) org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:131) org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:63) org.apache.jasper.JspCompilationContext.load(JspCompilationContext.java:597) org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:137) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:314) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.displaytag.filter.ResponseOverrideFilter.doFilter(ResponseOverrideFilter.java:125) com.ochre.ewash.core.web.filters.EwashReportFilter.doFilter(EwashReportFilter.java:70) … |
| | hi i have to read tif File using java file has 3 pages and take first two page of that file and create new tif file with different name can u suggest me how should i start |
| | hi i am running a program using jdom. It compiles successfully but doesnot run. It gives an error "C:\ProgramFiles\Tomcat\tomcat-5.5.9\webapps\jsp-examples>java KmlSample Exception in thread "main" java.lang.NoClassDefFoundError: org/jdom/Content Caused by: java.lang.ClassNotFoundException: org.jdom.Content at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) Could not … |
| | i have a hash map in my application containing some key - values pair, i just want to compare previous value with current value of hash map and then move to next. then i wants to make next value as current and current value to previous and continue in this … |
| | [B]How to clear the content of a JFrame? my code is something like this: there is a main window with buttons 1 and 2 (2 is for exit) when I click button 1, a new window should appear with lots of components , etc then inside it is a cancel … |
| | This code randomly generates 4 lottery tickets and prints them on seperate lines. The code works, but what if I wanted this to print for 100 lottery tickets? Is there a way to write this with less lines of codes? Would using a for loop work? [CODE] import java.util.Collections; import … |
| | Hello all...first-time poster here, and I was wondering if any of you fine folk can help me out with what is surely a simple task, but something very confusing for someone just starting off with Java. In a nutshell, I am creating a simple mobile game where a user is … |
| | write a program to read in a list of exam scores (integer percentage in the range 0 TO 100) and to output the total number of grades as well as the number of grades in each letter- grade category (90-100=A, 80-89=B, 70-79=C, 60-69=D and 0-59=F) and what percentage of the … |
| | It's only reading every other line. It's supposed to print out: 28 80.0 22 1 2 2 3 1 3 But it's only reading: 80.0 1 2 1 [CODE]//Load button - #=daynum, $=wallet, @=inventory, &=employees, !=customers if (btn2.getText().equals("Load")){ int id=0; File file = new File("savefile1.txt"); BufferedReader reader = null; try … |
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