35,619 Topics
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| | Write a program that (using an array) analyzes student performance on an exam using the information from such a file. The program should input the name of the text file, and then display the worst score, the best score, the average score, the standard deviation, and a histogram -- a …  |
| | Hi everyone, I am new to java webservices, i am developing a web service client using apache axis2 and eclipse. I used wsdl2java to generate the client code. Now when i invoke the service i get this error: org.apache.axis2.AxisFault: The input stream for an incoming message is null. What code … |
 | Hello Everyone. I am making a sudoku solver for an assignment, and I ran into a problem of my 2D Integer array not updating. The input consists of a 9x9 puzzle with 0s for the missing values. I read this input and then place it into the 2D array. during … |
| | Hello everybody, Im using datagrams to send a DatagramPacket, however, unless the router has ports forwarded, the clients dont recieve the packets. Is there a way to set this up so that my clients dont have to port forward on their router? How to main stream gams like LOL or … |
 | How to assign a keyboard shortcut in jTabbedpane in netbeans?? My project is quite using many tabs so I want to minimize clicking the mouse. Need HELP! Thankx |
| | My code: public ArrayList<Grade> grades; grades = new ArrayList<Grade>(); public Grade getLowestGrade() { Grade lowestGrade = grades.get(0); for (int i = 1; i < grades.size(); i++) { Grade g = grades.get(i); if(s.getGrade() < lowestGrade.getGrade()) lowestGrade = g; } return lowestYet; } This code is in my Student class using the … |
| | Hi, I need to implement java question answering system (similar to chatbot but domain specific) for my final year project. I first thought of using AIML to build knowledgebase. But I could not find how to access it in java. All I found was program D, program W and so …  |
| | Hello, I have a button which on clicks display a frame, where i have 2 radio buttons. When i choose one of the radio button it draws an image on the panel, however when i click on the button again, the image drawn is disappeared and i am not able … |
| | ok so i kind of know how to restart but the problem is that when ever i restart my animation get faster and faster. so i have main.java and alot of other objects. so one class for player one for player one for background etc... public class main exteds JApplet … |
 | Hi folks, I'm newish to android, very inexperienced. I'm trying to develop an application that transmits the coordinates of one phone (client a) to (client b) via a java server, I then want to check the distance between clients. I have managed to get the coordinates of client a, send … |
| | i have two animation going on screen. one animation is a rect going to right. i dont want this animation to stop 2nd animation is message coming on screen for 1 sec and removeing it. right now 1st animation works fine but doesnt diplay. its be iam seting message="". but … |
| | Hello. I have a question. I have a polynomial with Double coefficients and one with Integer ones, and to perform the integration I have to convert from object Integer to Double,but I found that it is not possible so I've tried to convert it into a String than into Double,but … |
 | Help Write a Basic Program to convert number from 0 to 999999 in words In Qbasic or Java Programming language  |
| | Hi Guys, I am working on a binary search tree and I've been stuck on some code for the last couple of days. There are 2 issues that I can't seem to figure out how to fix. 1) I have a file that has a list of names and ID's … |
| | Hi there, I know a fair amount about programming in both C++ and Java, but I still have much to learn. I am working on a mobile application idea for Android (so it's in Java) that uses a three-dimensional room as its main component. My very general question is, what …  |
| | I do not know if I am on the right track or not, but I have hit a dead end. I have read and reread my books chapters about super classes and inheritance and am still completely lost. in this assignment I have to: **Write a super class encapsulating a …  |
| | Hello, What is the best way to count the number of swaps required to sort an array that is sorted using the Quicksort algorithm? I put a counter in what I believe is in the correct position and the tests that I have run seem to be correct however Quicksort … |
| | I have a homework task where I need to determine which sorting algorithms are implemented in a .jar file provided by my teacher. Obviously I need to design my own tests to do this, so I was doing a bit of research on best/worst case scenarios but what I found …  |
 | Hi All, I'm new in android app development and before you present a proposal to the client is it important that you must create a mock up of the design of your app first? If so what are the proper way of creating a mock up design for an android …  |
| | I have to: **write a class encapsulating a sports game, which inherits from Game. Where the game has the following additional attributes: whether the game is a team or individual game, and whether the game can end in a tie. ** I am not familiar with inheritance and am wondering … |
 | I'm trying to make a small app with the following look  Thats an edited image of what exactly im trying to achieve. But here's what I got...  Could you tell me where I went wrong. And if it isn't much effort could you advise on how … |
| | Hey, I have an assignment to :write a program that reads a file and writes a copy of the file to another file with line numbers inserted. I am not sure what to do at the end of the code at the "for(int i =0; i < lines.length; i++)" part. … |
| | I am trying extract 5 numbers from a loop that generates 78 numbers randomly. How would i do that? for(i=0; i<=78; i++) { //i am not sure how to extract the numbers from here randomly } //I am also wondering how to take it's average, or am i doing it … |
 | Hey I have a program in retrieving data from a HTML page with Javascript using Java. Lets say I have the structure of C:/index.html C:/js/script.js index.html contains: [code] <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <script type="text/javascript" src="js/script.js"></script> </head> <body> <a href="javascript:void(0);" id="add"><img src="images/menunew.png" alt="plus" border="0" /></a> … |
 | How can i capture and transmitt and recieve audio and video using jmf ? Is is possible to provide gui to clients on applet and make authentication mechanism and database connection aur user credential through java servlet? How can i provide feature of adding friends and showing online status of … |
| | Hi I have to develope video chatting application for my major project. I have 45 days in hand. How can i use applet in dynamic web project of java servelt for displaying video ? How can i make applet to be used on client's browser. what is the way to …  |
| | Hi. In a video chatting application , how can i provide user with the feature of adding friends and showing the list of online friends. Also how can i capture audio and video and transmitt(sender client 1) and recieve (reciever client 2) using jmf and rtp . I have studied … |
 | hi!guys can any one tell me how i make installer through java.. i have source code only i want to make it the installer that easily install to the other computers and other used this.......... |
 | Hi..Stress is a common thing in every programmer's life. So here is a way you can reduce your stress.. Write System.exit(0); in your code whenever you are in stress..:) Comment your own tips too to avoid stress  |
| | ** //When an item from the list is selected, a checkbox along with the drawn graphics schould appear. but only the graphics appear. Help? *basic** import java.awt.*; import java.applet.*; import java.awt.event.*; import java.awt.Checkbox; public class GetSelectedItemExample extends Applet implements ItemListener { Choice c; CheckboxGroup g1 = new CheckboxGroup(); Checkbox checkBox1 … |
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