36,051 Topics
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| | Hi, I am looking for 2D sheet optimization software (that reads inputs for different size of sheet and required cut size) the program should give an optimum cutting plan with minimum scrap size. 'like to know if anyone has developed similar program in Java. regards, Usman |
 | I was doing the class tutorial to have matrix multiplication from two dimensional arrays: X (3x2) and Y (2x3). package t7; public class Q5 { public static void main(String[] args) { int[][] matrix_X = new int [3][2]; int[][] matrix_Y = new int [2][3]; int[][] result = new int [3][3]; for …  |
| | - Actually i am developing music housie game and there is a condition that until 97 songs are not played housie not be completed. -And songs are played sequencly. - So i am doing is that put 97 number in ticket (every songs have a number ) but there is …  |
 | Hello people :) Having some difficulties regarding a simple substring. Then length of my line is 52 and I iterate it without any problems. When I use this untill the 22nd character it is working final String articleNumber = StringUtils.trimToEmpty(StringUtils.substring(lineValue, 0, 22)); If I want to pass over the 22nd …  |
| | How can find out this error?? please any one help me??? ghroomreservation.java:440: cannot resolve symbol symbol : class Mailercm location: class ghroomreservation Mailercm n=new Mailercm();  |
 | I asked a week ago a question about this, now I tried to google around and found this toHex method. It has an empty spot about the charset. For example I want to use UTF-8 but if I enter it returns an error and if I don't specify it, the … |
 | Hi everyone, I'm a computer science student and I want to make a hexagonal grid or map for use as a sort of board for making basic games and so forth. I have found some similar projects in C# and am trying to figure out how to create a 'board' … |
| | Help me Subject java (Input month name output number of days) user for an input 1-12 for a month, and it outputs the number of days in that month. The modifications would make it so that the user inputs the name of the month instead of the value, and the … |
| | Hello: A couple days ago I found an error log on my desktop (hs_err_pid6028.log), something about a fatal java error and a game called minecraft. I am pretty sure I never installed minecraft. That got me worried, so I browsed my java control panel and saw that there is no … |
| | please help how to run a java program on start up. |
| | The game starts off by distributing 4 cards for the deck such a way that the player receives the card first, then the dealer..and so on. round 1. the program will display the first two cards of the player and dealer the first card of the dealer faced down and … |
 | Hello All, long time no see, I'm seeking for websites that provides practices of C++ and Java examples for programming students, the idea is to give me a programming question to solve in order to train myself. thanks.  |
| | Hi guys, I wrote the following code: public static boolean match(int[] a , int[] pattern) { //need to use the overloaded method, in order to work with the static method. return match(a,pattern,0,0); } /** This is an overloaded method that match between a pattern to a given string (as an … |
| | Hi i have 2 tables customer (cabinet_num which is integer) and cabinet (cabinet_num Autoincrement and cabinet_title) in my java i can display cabinet title to let the user choose a cabinet..but i want to collect the cainet_number in my customer table customet.cabinet package cabinet; import java.awt.BorderLayout; import java.awt.EventQueue; import javax.swing.JFrame; … |
| | I have implemented an FFT algorithm (by looking it up online) and integrated it into ImageJ but when I run it the image produced by the FFT algorithm is different from the image produced by the ImageJ software. I can't seem to find the error, I was hoping someone can … |
| | I would like to create a folder that has been specified by a user i a JSP. for example, in the jsp page below called index.jsp the user is asked to create a folder.. <form action="CreateFolder.jsp" method="post"> <h3> Create New Folder <h3> <input name="createfolder" type="text"> <input type="submit" value"Create Folder"> </form> …  |
| | Dear All, I I want to develop an application using java language. In this application i want to get data by scanning an image from scaner and put this data into database. Please anyone can help me in this article.... Regards, Tabish Saroha |
| | Eclipse throws an error whenever I start it up (see attachment). Any help is greatly appreciated.  |
| | Im new to Java and when tring to get some textures into my game I got this error stated ImageIO cannot b resolved. Here is my code: import java.applet.Applet; import java.awt.Graphics; import java.awt.Image; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; public class gameLoop extends Applet implements Runnable, … |
| | Before I even attempt doing anything in this direction, is it possible to enter a string and get it represented in ascii? I am reading an article about XSS and SQL injections part of a course that I am taking now, and some of the tips are that people in … |
 | hi... i am shiva i learned strut2 and i would like to develop a web application so anybody suggest me a design or some type of thought about the application.. i would like to test my struts skills on it.. so suggest me any idea for developing wep application..plz i …  |
| | please i want your help for this as fast as possible * *** ***** *** * |
| | I need to print the output whereby when int x = 1, it will be show the first 4 elements in the arrayList. int x = 2, it will be show the first 6 elements in the arrayList. int x = 3, it will be show the first 8 elements … |
| | Guys, As my requirement I am storing the image link in database and through that link I need to access the image in the webpage. For this, I am storing images in my workspace. But the problem is, since my workspace is in C drive, I dont want to store …  |
| | Hi,I hope someone will help me on this,does anyone here knows algorithm BST infix to postfix,can you help me please. I am not good in java and i am still getting know with this. Thank you in advance. |
| | the virtual Methods concept is very difficult concept. In c++ when we want to implement polymorphism then we use virtual function. But in the case of java i read that all methods in java are virtual by default except final methods that can not be overridden. I am confuse about … |
| | import java.io.*; import javax.servlet.*; import javax.servlet.httpservlet.*; public class FirstServlet extends HttpServlet{ public void doGet(HttpServletRequest req, HttpServletResponse res)throws ServletException,IOException{ res.setContentType("text/html"); PrintWriter out=res.getWriter(); res.sendRedirect("/FirstServlet/index.html"); } }//end of get public void doPost(HttpServletRequest req, HttpServletResponse res)throws ServletException,IOException{ res.setContentType("text/html"); PrintWriter out=res.getWriter(); String name= req.getParameter("name"); if(name.equals("")){ res.sendRedirect("/FirstServlet/ContacUs.html"); }else{ requestDispatcher rd= req.getRequestDispatcher("/second"); rd.forward(req,res); } }//end of post … |
| | Please help, this is my first java class. I need help with how to do this assignment: Grade Calcualtion Program: write a program to calculate and display the course letter for a cpt236 student. Name your program GradeCalculation. Prompt for and input the project average,the homework average,3 test scores, the … |
| | I need to compare the following characters c,d,h,s such that s will be the biggest followed by h , c and d the smallest. d < c < h < s I have no idea how should I implement it. please help. |
| | Hi all, I get 'Invalid string or buffer length' exception when trying to do this. String s=resultSet.GetString(1) Exception: java.sql.SQLException: [Microsoft][ODBC Driver Manager] Invalid string or buffer length at sun.jdbc.odbc.JdbcOdbc.createSQLException(JdbcOdbc.java:6956) at sun.jdbc.odbc.JdbcOdbc.standardError(JdbcOdbc.java:7113) at sun.jdbc.odbc.JdbcOdbc.SQLGetDataString(JdbcOdbc.java:3906) at sun.jdbc.odbc.JdbcOdbcResultSet.getDataString(JdbcOdbcResultSet.java:5697) at sun.jdbc.odbc.JdbcOdbcResultSet.getString(JdbcOdbcResultSet.java:353) at sun.jdbc.odbc.JdbcOdbcConnection.buildTypeInfo(JdbcOdbcConnection.java:1503) at sun.jdbc.odbc.JdbcOdbcConnection.initialize(JdbcOdbcConnection.java:381) at sun.jdbc.odbc.JdbcOdbcDriver.connect(JdbcOdbcDriver.java:174) at java.sql.DriverManager.getConnection(DriverManager.java:579) at java.sql.DriverManager.getConnection(DriverManager.java:243) at Controll.Test.sselect(Test.java:72) at … |
 | Hi, I am trying to add an event handling feature to an old program I wrote. Here is the relevant code: public class CalculatorLayout extends JFrame{ private BorderLayout layout;//layout object. Do I need a flowlayout at all? private JPanel numberKeysPanel;//contains the number keys panel //private JPanel calculationAreaPanel;//contains the calculation panel … |
| | -There is series like - 7,7,7,8,7,7,8,8,8,7,7,7,7,7,8,8,8,8,7 -Find out occurence of 7 Output- 4 -Find out occurence of 8 Output- 3 -Maximum Occurence of 7 in one time- 5 Maximum Occurence of 8 in one time- 4 |
| | Hi, I got WSDL files and XSD files from our client. I have created a proxy with this wsdl and added in my projec. I got the result that i want but once webservie returned error i got only exception name in Exception object not detail or inner exception. In … |
| | I was doing the love tester program for my assignment. Then, I've encounted some problems after I run the program. Here is my code: public class SEAN_LAB3 { public static void main(String[] args) { int i; String [] bName = new String [5]; String [] gName = new String [5]; … |
 | Hi Dw I've been cracking my head trying to figure out the best way I can use to inter-react or send direct action commands to the device. Starting by stating what I'm trying to do here. I'm trying to create a POS system I've looked at jpos library packages but … |
 | hi all, this is some extra credit from class we sat around cleaning up code today this is what we came up with public boolean equals2(IntTree t2){ return equals2(this.overallRoot, t2.overallRoot); } private Boolean equals2(IntTreeNode r1, IntTreeNode r2){ if(r1 == null || r2 == null){ return r1 == null && r2 … |
| | I have to write a program that uses the shortest path that starts at a "home" city and goes to 3 other cities and back "home" again. I have been reading for a few hours about a good way to solve this problem. It seems to be a variation of … |
| | for(long i = 1;i< 600851475143; i++ ){ The rest of the code works however I am testing against this number and I get an error: Out of range of int. How can I create boolean tests against a larger variable. Thank you. |
| | I have a drop down in my form which when not selected gives an alert. However sometimes this alert is skipped, i.e the validation is skipped and the form proceeds without any pop up. Can someone please help? Regards rags  |
| | @JC, I just wrote this code really quick and it does compile without errors for the server side ... but I am not sure about 1 thing .. here is the code first import java.net.*; import java.io.*; public class GameServer extends Thread{ private ServerSocket serverSocket; private enum Action { Scissors, … |
| | Hey guys, i'm a bit of a new programmer taking a class.So in my code what im trying to do is to select three random numbers, and see if it matches with the numbers that the lottery throws out. The problem is where the 1st number and 3rd number selected … |
| | hey all im a relative noob with progaming if i could get some help i would be greatfull this is homework but not the whole assignment thank you all So when i run this it works fine if i type in the name of the first node but none of … |
| | Hi, I am trying to create a method to check if a binary tree is an AVL tree without using the height method of the author's binary tree. This is my code USING the height: [code] public boolean isAVL(BinaryNode<AnyType> t) { int leftSubtreeHeight; int rightSubtreeHeight; if (t == null) return … |
| | i can understand it when we want to implement polymorphism in c++ we use virtual functions and function overriding but when we want to implement polymorphism in java then we do not use virtual methods why. in java we use simply reference object that can store the address and use … |
| | I made the famous game Scissors, Paper, Rock as console application. The game runs great ... Now I want to make it a bit more advanced and allow 2 clients/users to play against each other from different locations. I checked few tutorials on sockets and networking, and in them they … |
| | There is series of 20 numbers composed by two numbers is given like 9876,7698,7676,9898,987698,769876 Develop a logic in java to find out these two numbers series composed by First number is - 98 Second is-76 How to develop a logic Another series - 1213,121312,1313,1212,12131213 First Number-12 Second Number-13 |
 | I am honestly stumped. I need to Create a BankAccount class that has the following: a) Instance variables for: name, accountNumber, balance, typeOfAccount b) Accessor/mutator method for each instance variable (You will end up having 8 methods) c) Create a displayAccountInfo() method that displays the account information as follows: Account … |
| | Hi, I am consuming a java WebService through WSDL in asp.net project. I have created a proxy through Visual Studio wsdl utility and added all message header that has value like version, username, password. I am able to run this service through SOAP UI 4.5 but not able to get … |
| | It is commanly said that java is architectural neutral what is the basic concept of this.I want brief answer on it and some examples of this. |
| | Can someone help me with implementing the deathbycaptcha API into Denodo? Thanks |
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