36,051 Topics
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 | Hi. I have a constructor like below whose class extends JFrame. The problem is that my for loop is printing only the last string.( I am using this information ultimately to build a JButton table). Can somebody tell me whats wrong with this ? Below is the code:- [CODE] public … |
| | Hi, I am currently developing a cafe ordering and payment system which i encounter some calculation issue... i need a formula which is able to calculate the total price in this scenario, If Customer A order 5 items of different prices and Customer B order 9 items of different price, … |
| | I'd appreciate if somebody could have a look at this code and tell me where the problem is. The program is meant to take a .txt file and split it in three different files: one with words of 1 to 4 letters, one with words of 5 to 7 and …  |
| | function validate1(){ if(document.all.doc1.value == ""){ alert('Please select 1st Docoment !!'); document.all.doc1.focus(); document.all.doc2.value = ""; } var doc1 = eval(document.all.doc1.value); var doc2 = eval(document.all.doc2.value); if(doc2 < doc1){ alert('First Document number must greater than secondnd Document number!!'); document.all.doc1.focus(); document.all.doc2.value = ""; } the script above used to compare string between combo box …  |
| | I need to copy a file to my machine from a remote machine. Are there any ant targets to do that? |
| | Hi all! Just a brief question. How would i go about adding say the first 5 numbers in an array of 12 preset values? Thanks :)  |
 | I have two files of huge data contains string and integers and i want to read from it and use it to count characters of the string for example name ending with letter "A" containing "oo" or having letter "A" as seconf letter. i need some methods from the String … |
| | hello friends i m working on a project wherein we have to capture a photo using web cam for the web application.. can anybody tell me how we can do this. i have read many artical and found a code for the stand alone appli. from "http://www.mutong.com/fischer/java/usbcam/" but it is … |
| | So, I have to write a public static method add, which takes a parameter, and adds up all the values in the N-ary tree it represents. Characterize the traversal order: preorder. - what does that mean???? So, can someone explain to me how I would do this??? thanks.  |
| | i want to send sms from my java application to mobiles and also email from my java application |
| | I have a problem with the dispose method. . .I got 3 java files with a class name: MainProgram.java MainPanel.java PageOne.java The MainProgram java extends JFrame. The MainPanel.java extends JPanel. The PageOne.java extends JFrame. The MainPanel.java is where all the actions and etc. are being set. The MainProgram.java calls the … |
| | For example I ask the user to enter a 4 digits integer number. For example the user enter 4875. I want to display odd digits (7 5) and even digits (4 8). By Extract each digit of the number using integer division and store the results in separate variables. for …  |
| | OK I'm making a script and I get this error and have no clue off have to fix heres the code all help is thanked: [CODE]import java.awt.*; import java.util.*; import java.util.List; import java.util.logging.Level; import javax.accessibility.*; import javax.swing.*; import org.rsbot.bot.Bot; import org.rsbot.script.*; import org.rsbot.script.wrappers.*; import org.rsbot.accessors.*; import org.rsbot.event.listeners.PaintListener; import org.rsbot.event.listeners.ServerMessageListener; import … |
| | Java Code I don't know how to show odd or even digits from an integer number. For example I ask the user to enter a 4 digits integer number. For example the user enter 4875. I want to display odd digits (7 5) and even digits (4 8). By Extract … |
| | hi, i want to do a web downloader, but i don't know where i should begin from? Could you help me, please? |
| | Hi everyone. how to check precise UML activity diagram in java need solution asap |
| | import java.io.*; import javax.swing.*; class GS { static public void main(String[]args) throws Exception{ double q, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10, q11, x, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, quotient, quotient1, quotient2, quotient3, quotient4, quotient5, sum, sum1, sum3; System.out.println("PRELIM LEC"); { … |
| | Hey everyone. I am supposed to create a program that will input the miles driven and gallons used for each tank full of gas. program has to calculate and display the miler per gallon obtained for each tankful and print the combined miles per gallon for all tank fulls up … |
| | This code snippet allows you to know whether a word/sentence you have entered is a 'Magic Word' or not. A 'Magic Word' is a word which has at any position two consecutive letters. This can be achieved by taking the ASCII values of the characters. For example, if I enter … |
| | can u help me how to connect to MS Access database using java codes?? import java.applet.Applet; import java.awt.*; import java.awt.event.*; import javax.swing.*; import java.lang.StringBuffer; import java.io.IOException; import java.io.*; import java.sql.*; public class sample1 extends JFrame { private DataPanel myDataPanel; private Connection dbconn; private static int numPeople=0; private static String info; … |
| | [code] import java.util.*; public class course { static Scanner sc=new Scanner(System.in); public static void main(String[]args) { String name,students,addStudent; int numberOfStudents; String courseName,getName,getStudents; int getnumberOfStudents; Course course1=new Course("C++"); Course course2=new Course("Java"); course1.addStudent("Peter"); course1.addStudent("Brian"); course1.addStudent("Anne"); course2.addStudent("Peter"); course1.addStudent("Steve"); System.out.println("Num of student in course1:"+course1.getnumberOfStudents()); String[]students=course1.getStudents(); for (int i = 0; i < course1.getNumberOfStudents(); i++) … |
| | [code] this is the simple program that i write import javax.swing.JLabel; import javax.swing.JTextField; import javax.swing.JFrame; import java.awt.FlowLayout; public class ShowFlowLayout extends JFrame { public ShowFlowLayout() { setLayout(new FlowLayout(FlowLayout.LEFT,10,20)); add(new JLabel("firstname")); add(new JTextField(10)); add(new JLabel("MI")); add(new JTextField(10)); add(new JLabel("Lastname")); } public static void main(String[] args) { JFrame frame=new JFrame("ShowFlowLayout"); frame.setSize(400,500); frame.setLocationRelativeTo(null); … |
 | can anybody tel me what are the steps in capturing images from a webcam using java |
 | Hi all, I'm new here, and am currently taking an introductory programming course taught with Java 5. I really hate to come here, and bother people with my homework, but I really don't have anywhere else to turn at the moment. I have a couple of quick questions about some … |
| | Hi.. I am trying to load a text file into JTable. The file is tab delimited. I want to achieve the following things:- 1) Show the first line of headers on the left hand side. 2) Show my buttons on the right hand side of the JTable. The problem is … |
| | import java.util.Scanner; public class BookRentalSystem { public static void main(String args[]) { //Declaration of variable and instances String bTitle, bType, bAuthor, bISBN, bStatus, search; int choice = 1; int bCount = 0; boolean found; Scanner input = new Scanner(System.in); Book[] books = new Book[5]; //Executing user's selection from menu. Exit … |
| | I must be overlooking something simple here, but I have no clue why it says that it is going out of bounds. Here is my entire program... [CODE]import java.util.Scanner; import java.util.Random; public class MadLib { static Scanner input = new Scanner(System.in); static Random rng = new Random(); static String t[] … |
| | I have this code: [CODE]/* package lab; public class Main { public static void main(String[] args) { int t=0; int h=0; int w=0; String Name="http://hcmiu.edu.vn/mail/cuem"; char[] ch=new char[Name.length()]; for(int i=0;i<Name.length();i++){ ch[i]=Name.charAt(i); for(int j=0;j<Name.length();j++){ if((ch[j]=='/')&&(ch[j+1]=='/')&&(Character.isLetter(ch[j+2]))){ t=j+2; System.out.println(t); h=Name.indexOf('/', j+3); } } } System.out.println(Name.subSequence(t, h)); } } [/CODE] This code run correctly.But … |
| | this is my first program using more than one method. while i like it because of its modularity and cleanness, i despise it for its multiple new problems it introduces into my world where i was just getting the hang of the old style. i am supposed to be doing … |
| | [B]Here is the problem:[/B]There are (at least) two ways in which you can make a 12 hour clock. One possibility is to just store hour values from 1 to 12. On the other hand, you can just leave the clock to work internally as a 24 hour clock, but change …  |
| | the final test given to me by our professor is that display a JTable with 5 names in it no nid to input |
| | Hello all. I have a small problem, i need to recieve a 8 digit number for example: 12345678 87654321 and so on. After i need to devide the value and use the int as a array, something like int i=123; System.out.println(i[1]); It should return 2 (therocially), but obviously the doesnt … |
| | write a program which asks the user how many days they will be working. then using your program calculate and print the amount of money they will earn if paid £1 for day 1, £3 for day 2, £9 for day 3 etc.....i have coded the inputing of name and … |
| | [code] import com.sun.crypto.provider.RSACipher; import java.util.Random; public class RandomRange { static int START = 1; static int END; static Random random = new Random(); private static void showRandomInteger(int aStart, int aEnd, Random aRandom){ if ( aStart > aEnd ) { throw new IllegalArgumentException("Start cannot exceed End."); } //get the range, casting … |
| | Hi, ive been trying to assign a value to a variable from within the ActionPerformed method, but the value seems to be lost as soon as ActionPerformed method ends. here's the code [CODE] public class Log{ private JTextField user = new JTextField(10); private JPasswordField pass = new JPasswordField(10); private int … |
| | [B]Here is the problem[/B]:Change the clock from a 24 hour clock to a 12 hour clock. Be careful: this is not as easy as it might at first seem. In a 12 hour clock the hours after midnight and after noon are not shown as 00:30, but as 12:30. Thus … |
| | Hello all, I am writing a java application where I have a Jtable with checkboxes next to the data. If the user checks a box, I want to store a specific value from the data table. I can do this inelegantly by setting setCellSelectionEnabled(true) and adding the following to the … |
| | Hello. I'm trying to write a program that registers Mouse Clicks that occur on the System, not just in a JFrame. Does java6's desktop integration allow this sort of thing? or would I have to use JNI to listen for Mouse clicks and Key Pressed? |
| | The code will be able to detect the face from webcame then determine weather it's in any situation relay under sad,happy ,...etc then play music file according to the situation.[code]Hello every body,I'm doing Project on Face detection situation,weather if it indicate happy ,sad....etc situation.So the problem is there is many … |
| | hi all, i am in an urgent requirement of getting the WAN ip of the visitors of my website through java. using getRemoteHost() gives me the lan ip. please respond |
| | if and if-else statement: you will have to write a program that reads a 4-digit positive integer from the user and prints out the following information on the screen: 1. Whether the positive integer is an odd or even number 2. (display) The odd digits of the integer 3. (display) … |
| | Hi, I have to develop a software and it should run on windows, mac and linux, so i was thinking of developing it in java using netbeans :-/ I have windows OS, would the jar file generated in windows run properly on mac and linux? and is there any specific … |
| | Hey there everyone, first post here so please excuse any mistakes :) Ok so I have this assignment here: Suppose the weekly hours for all employees are stored in a two dimensional array. Each row records an employee's seven-day works hours with seven columns. For example, the following array stores … |
| | Hi all, I have a C program namely NetLibExample.c.I have compiled it to get a NetLibexample executable in RHEL5. It is successfully running from the terminal itself by the syntax: ./NetLibExample I have written a shell script to call the same.The shell script is test.sh **test.sh** cd /working/AVClient mkdir habib_test … |
| | I want to write this. [b]Last[/b] night i dreamt of [b]San Pedro[/b]. How can I write this with 1 PdfPCell  |
| | hi friend i wish to store mp3 files in postgresql database i want to store this for my project i am using java as front end and mp3 files as backend |
| | I have used org.apache.commons.httpclient.HttpClient for the first one and org.apache.http.impl.client.DefaultHttpClient for the second. for both codes i'm getting response codes 200 ok. it is happening even when i remove username n pwd fields. So i'm not logging in...[code]1) HttpClient client = new HttpClient(); GetMethod get = new GetMethod("https://control.akamai.com"); System.out.println(client.executeMethod(get)); System.out.println("now … |
| | hi. i want to call a new frame on clicking on treeview . pls help. thanks |
| | I am having some problems with (a)coloring my stick figer(b)to stabelise the line on which the stick fig is supposed to be running across the Applet on. Can some one please advise me on how to achive this? Thanking you in advance. [CODE] //Walking //Written By: //Written on: import java.applet.*; … |
| | Hello I have a csv file and i want to read data from it and pass the data to the database. Now. I have values that are seperated with semicolons. The file is like this. customerID;name;surname;phoneNumber 1;Gokhan;Terzioglu;333444333 2;Melih;Terzioglu;555444333 There are 100.000 columns like this. How can I read the data … |
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