36,051 Topics
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| | I am fresher in software engineering seeking job. But i want to know in which designation can i able to be placed. I am some what good in programming (java,c,c++). When i registered in any companies they ask me about job code. And also i am undergoing course in web …  |
| | Hey, I was thinking of trying to write my own custom swing component. I was thinking of a simple text based component that would act like an open book. Text would be displayed on the left side/page of the component until there is no space left and then the rest … |
| | hello, I had a fckeditor at my php page, i want to put some data in fck editor when user click a button. How can i do that using javascript. Please help |
| | Hi everyone, I am trying to write a code that receives an input from textarea, transfer that input to servlet and send an email with that input using javamail API. It seems that the codes work fine with english characters, but it doesn't work with non-english characters (i am using … |
| | I am trying to make an Inventory GUI application using MySQL and NetBeans. So far, i was able to do add,delete,search, and save using Java Desktop Application. I now have to add a SEARCH button, a notification for the quantity if it is less than 10 and a USERNAME and …  |
| | Can i create a Ms access database through java code? Can i place Ms access Database inside my project and can i manipulate them? |
| | Hi all, I have written a basic program with 3 option using a switch statement, the 2nd option being a reverse string code using charAt() when you select option 2 and press enter it then switchs to case 2: which then asks for the string you wish to reverse, is … |
| | Hey! I'm taking my first CS class and new to all this... i'm using eclipse. i need to prompt the user to enter their FULL name ie. John Smith. i cannot ask the user to enter their 1st and last name separately. i then have to print/display the name in … |
| | i can trap Number only but i cant trap letter inputs. how to do that? please? example. Enter a letter: 5 "INVALID INPUT! PLEASE ENTER A NUMBER!" please guys?! |
| | Hello, i want to know what's the use of new keyword while Initializaing the array in JAVA.How it's helping in java whether same like new in c++ or malloc in c |
| | Hello my friends I have a txt file with the follow layout [QUOTE] error1 255 error2 34 error5 111 error3 23 [/QUOTE] and what i'm trying to achieve is, from this text file plot a trend chart with the errors and respective quantity! this is the code that i'm using.... … |
| | I've been programming in Java using Java SE, but I want to move on to Java EE. Is this a good idea? I used to think I had to pay to download the Java EE SDK, but that's not the case. So, basically, I'm a bit confused about what Java … |
| | [CODE] int a,b; double temp; int sortTheNumbers = sentenceList.size() - 1; for (a = 0; a < sortTheNumbers; ++a) { for (b = 0; b < sortTheNumbers; ++b) if(score[b] < score[b + 1]) { temp = score[b]; score[b] = score[b + 1]; score[b + 1] = temp; } } [/CODE] … |
| | Hello, I'm trying to write a program for matrix multiplication I keep getting an error.... Please help [code] class Matrix { private int numRows, numColumns; private double x[][]; public Matrix(int m, int n){ numRows = m; numColumns = n; x = new double[numRows][numColumns]; for(int i = 0; i < numRows; … |
| | hi i am using a jsp i am having two text fields for entering dates , i am using mysql and i am storing the values of two textboxes in two date fields the format of which is yyyymmdd i want to enter date in ddmmyyyy and change it to … |
| | Hello everyone, i m trying to take input from jsp page and save this to database. every field is working fine but some problem in date format. its showing some errors. please help me. |
| | import java.awt.*; import java.awt.event.*; import javax.swing.*; public class MenuDemo extends JApplet { // Text fields for Number 1, Number 2, and Result private JTextField jtfNum1, jtfNum2, jtfResult; // Buttons "Add", "Subtract", "Multiply" and "Divide" private JButton jbtAdd, jbtSub, jbtMul, jbtDiv; // Menu items "Add", "Subtract", "Multiply", "Divide" and "Close" private … |
| | hi..I am really new in Java software development..I am trying to make sure that the JXTable will refresh or update the data after the save button is clicked which means that the JXTable will display the lastest data that retrieved from the database..as what I had googled through the methods …  |
| | When I try to run what I have so far in my program, I get an error when I enter in the date as 11/11/2010 that states "Exception in thread "main" java.util.InputMismatchException". Why am I getting this and how do I fix it? Also, I have some comments in the … |
| | I can't believe I'm asking this, but this assignment I was given is proving very difficult. I was asked to find the ECLOSE function of a given Epsilon non-deterministic finite automata. All it is is the BFS tree of a graph from a given point, provided that the vertices are … |
 | So even though this is a simple project, I found a lack of good code on the web under this topic for multi lined strings. I thought I would share it with everyone. Hope it helps you! Prints file foward first, then in reverse (and yes there are many different …  |
 | Hello, I'm really new to doing Java only been doing it about 2 month so really a novice. I'm currently attempting to make my first app that is not a school project. I want to embed the current time in my application that is pulled from the local system. It … |
| | i need to make a tree canopy in the shape of a pyramid drawn using nested loops the tree should look like this [url]http://cs.nmu.edu/~rappleto/Classes/CS120/Assignments/beach-assignment.html[/url] i have the trunk but i cant figure out the tree top to save my life. any ideas on where to start? thank you to all … |
| | Hi, I am developing a web application using JSP/Servlet. I have a form in .jsp to upload excel file which is then processed (by servlet) and an excel ouput is generated. I need to validate input file to see if a certain cell in the workbook has some value as … |
| | Hi, I'm trying to make my own sokoban game in java. Sokoban is a top down 2D puzzle game where you move around a level trying to push boxes to the goal area in the least possible moves. I'm already pretty stuck at an early stage. My first objective it … |
| | NETBEANS: I get none ouput - can you detect? I have a question about server side Ajax (Java) I think serverside error is, Can you find the bug in <div> I do NOT get sample xml data[bookrss.xml]... RSS Client/Server? I get xhrequest.readyState == 4 && xhrequest.status == 200 ... 4 … |
| | i just need a method that will draw me a flower but it says illegal start of expression error on line 36. what does that mean and how do i fix it? import java.applet.Applet; import java.awt.*; public class ProjectTwo extends Applet { public void paint(Graphics g) { ///background g.setColor(Color.blue); g.fillRect(0,0,1366,384); … |
| | I'm just starting out in java, and I am totally stumped on this assignment. I have to make a program where the user selects a single character and then a file. The program is then supposed to check each character in the file, and output how many times that character … |
| | i cant sort it descending? why? please help me!! [code] import java.io.*; import java.util.Arrays; import java.util.Collections; public class alpha { public static void main(String args[]) throws IOException { BufferedReader br = new BufferedReader (new InputStreamReader(System.in)); int num = 0,c,x,a = 0,d,e,letter1,f; String input; System.out.println("\t[WELCOME]"); for (d = 0;d<=2;d++) { System.out.print("How … |
| | i got a question about random number.. this is my sample data : jenny jason jerry peter chriss wayne ralf andre alexis alex garcia lorris ronny lyn armand i wanna pick name above to put in free slot like below.. 1.. 2.. 3.. 4.. 5.. 6.. 7.. - - - … |
| | Question is below for the TestSlotMachine. SlotMachine class... [CODE] import java.util.Random; import java.text.NumberFormat; public class SlotMachine { enum CoinSlot { penny, nickel, dime, quarter; } //private String typeOfMachine; public double balance; SlotMachine() { // typeOfMachine = machineType; balance = 0.0; } public double deposit(double amount) { balance = balance + … |
| | i have made this code which displays all the values in JTable can any one help me out how to get report of those data.this code is just the module of my library project .Now i want to generate a report for it . [CODE] import java.awt.*; import java.awt.event.*; import … |
| | I'm a newbie to JAVA and programming as a whole. I'm trying to write a basic code to declare , which holds a variable named minutes on a job, and assign a value. It should display the value in hours and minutes. An example would be, 197 minutes becomes 3 … |
| | So i'm trying to make a module for my program that returns a multidimensional array based on another array in the form of a command-line argument. Here is the module that's keeping me up at night: [CODE]public static double[][][] getDimensions(String [] args) { final int l = args.length; double dimensions … |
| | ok so i have 3 separate classes: Product, Action, and Invoice. Action would be my interface that allows me to add and remove items in my hashmap that is in my Invoice class. my Product class would have the instance variables name, info, id and quantity (correct me if I'm … |
| | Hi All I want to develope a jsp page which skip Jasper server login page and forward at jasper home page without login. i also dont want to sho my URL in brouser. both Jasper and my jsp contain in apache webapps folder.i did it by [CODE]<jsp:forward page="/jasperserver/login.html"> <jsp:param name="j_username" … |
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| | For my school project , I got student details in database and according to system of that school yearly the student standards are raised by one grade . So how can i code so that the data i've entered in database, say 4 grade this year will become 5 grade … |
| | public class kgPoundsConverter extends JApplet 12 { 13 private JPanel kPanel; // To hold a text field 14 private JPanel pPanel; // To hold a text field 15 private JPanel buttonPanel; // To hold a button 16 private JTextField kgram; // kilogram 17 private JTextField pounds; // pounds  |
| | trying to make a payroll program, im pretty sure this is all the code i need. maybe 1 or 2 maybe 3 extra lines. ERRORS: operator * cannot be applied to java.lang.String operator * cannot be applied to double,java.lang.String operator * cannot be applied to double,java.lang.String ERRORS in CODE are … |
| | . Goal is for user to input 2 numbers then get a multiplication chart with a row and column. Example: user enters 3 and 5, then should print ...3 4 5 (disregard the dots) 3 9 12 15 4 12 16 20 5 15 20 25 My program will not … |
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| | Hi, there, I am also very new to Java. For class, I have to create an structure that reflects that of a document stored in a plain txt file. The hyerarchy of the classes is: Class document is made of //complex objects class Page objects, that are made of class … |
| | Hello everyone, I need to make a program for Java that has the user enter in 2 numbers,1-9, then prints a top row and column with those numbers in it, then prints a multiplication table for those numbers. I need to use a for loop or for loops. Ex. 2 … |
| | Hi everyone I am new to the community and been programming in java for 2 weeks. This is my 3rd program so please take it easy on me, I know there are better ways to do things but this is what I know for now. The purpose of the program … |
| | Hi! I would like to add a link to JTable cell. When a user will click on this cell, then a file pointed in the cell will be opened. Could someone tell me some hints? Thanks! |
 | Hello ! I am using Java media framework on windows 7. I am making a program to transfer live audio and video using RTP in Java media framework. The problem is that JMF registry contains the built-in camera but when i run program it says that video source is not …  |
| | Hello. I am currently working on a little password based file encryption feature for an application I am doing. The following is an incomplete function that I have worked on to encrypt some content and (will eventually) write it to a file. [CODE]public static void encrypt(byte [] data, char [] …  |
| | [CODE]import java.util.Scanner; public class Inti{ public static void main (String [] args){ Scanner kb = new Scanner(System.in); System.out.println("enter name: "); String input = kb.nextLine(); char name1 = input.charAt(0); int blank = input.indexOf(' '+1); char name2 = input.charAt(blank); int lastBlank = input.lastIndexOf(' '+1); char name3 = input.charAt(lastBlank); System.out.println(name1 + "\n" + … |
| | Please I need a code in java to convert infix to postfix in java. |
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