36,051 Topics
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| | hi i have to ceate an applciation which can tranfer files from one pc to another on the network. I want to transfer files using FTP. can anyone tell me about an open source FTP client and FTP server which i can embed in my applciation easily and use the … |
| | I add integer values in combo box.When I call getSselectedItem it return object.How i convert it into integer.  |
| | Hi, Basically I want to simulate lots of circles bouncing off of each other in a box. My current plan is to form a grid with lots of points and give each particle a position and speed which is a multiple of the grid spacings. Then at each time move … |
| | Is there any way that I can take a String and somehow use it as if its the name of one of my declared Objects? For example, if I have an Animal named germanShephard, is there some way I could say String gerSh = "germanShephard"; and then treat gerSh as …  |
| | I have some problem with this question: my Family class is as below: [code]import java.util.ArrayList; import java.util.Collection; import java.io.*; public class Family { private Adult father; private Adult mother; private Child[] children; private Dog ourDog; private Cats ourCat; private Rabbit ourRabbit; int Age; public Family() { } public Family(Adult father, …  |
| | some one pliz assist me to code the following attached problems Exercise - Using Objects This exercise will allow you to demonstrate what you have learned about objects. Develop a class to represents a human. The head, arms and legs should be properties of the human and should be represented … |
| | How to make streams to read and write files (in binary) . I have found a few Streams but do not know which one to use. they are as follows:- [code] PrintStream p=new PrintStream(new FileOutputStream("myfile.text")); DataInputStream in=new DataInputStream(new FileInputStream("myfile.txt")); BufferedReader br=new BufferedReader(new FileReader("myfile.text")); Printwriter pw=new PrintWriter(new FileWriter("myfile.text")); [/code] Please tell …  |
| | how to write a realtime advertising program that every java enabled phone can run. |
| | i have a file with 2 int's i need to assign them to a variables. the int's are separeated by a space. what method can i use to read each int separeate and then assign it to a variable. |
| | Hiii I need a project on inventory control management using java... Will any one would help me out????????? |
| | I need to write a program that gets inputted files from arguments written from command prompt and prints a random line from it. I don't really know how many exceptions i need and I don't really understand the logic of getting the line from the file. Please help me. |
| | What is wrong with this code. when it do system.out.println(matrix[0][0] i should get 1 char i get the entire line. [code] int r =Integer.parseInt(line.substring(0)); int c = 10; String[][] matrix = new String[r][c]; while (line !=null) { for(int i =0; i< r; i++) { for (int j =0; j< c; … |
| | Can someone please help me out? What are the pros and cons of C++ and Java? I've always been told that C++ is the ultimate programming language. It's powerful, fast, and used to run huge programs. But since Java is a close rival to C++, I was wondering what are …  |
| | I have failed my java programming class but I am retaking it in February. I have untill then to figure out how the heck to do all this. I have uploaded my program, it is an inventory program for dvds. I was supposed to create a GUI that I thought …  |
| | okay so i am very new to java, and my teacher is not offering much help. i have an outline of how my java program should look but i still need help!!!!!!!!!!!!!!!!!! by the way max misses is 3, and words im testing are landslide and air and fight. any … |
| | I've benn working on this problem for a week. I still can't get it remotely closely to working Can anyone HELP :'( me ---------------------------------------------------------------------------- The task is to write a program which reports the amount of time required by various sorting algorithms to sort different numbers of data values. Then, … |
| | Hello every one , I am new to java learning from different example i am useing bluej. Any help would be much appreciated. I just dont know where to start i done few programs my friend show me that on her Pc but i didnt understand very well. so i … |
| | Hi! I'm trying to write a method that finds the index of a specified occurrence of a character in a given string using recursion. I've managed to count the number of times a character occurs in the string, but can't figure out how to find the index of a particular … |
| | I have to create a database that implements an array that stores a persons first name and last name and zip code this is what i have so far for my individuals array public class IndividualsArray { private Individuals[] array; private int count; private int zipCode; public IndividualsArray () { … |
| | I'm setting up a simple painter applett that uses a seperate frame class to control color and clear the screen. I've got all but the clear button working fine. After attempting several different methods I've settled on passing the address of the applett graphics object to the frame class and … |
| | I am using Tomcat as a server to work on a servlet that need to access a database and I need to use CachedRowSet, but I cannot seem to connect to the database correctly. Currently I have [code] public class FaqListingServlet extends HttpServlet { private CachedRowSetImpl cachedRowSet; // set up … |
| | This class is moving too fast and I only know simple Java programming so far, but we're getting into multiple classes for this savings account program. If anyone can do this I will spam +rep on your for the remainder of your DaniWeb life. ---Data • the identity number for … |
| | Hi. I don't know whether this is the right place asking this question or no. I want to know, is it possible to use PHP code into JAVA code? if yes how?  |
| | I want to create a Log File that will keep record of each action taken by my crawler. It will also record errors occured .I want to make it Up to date for specific period of time. Please help me for that. |
| | Hi all, First poster here - have been reading through many of the posts but need someone to break something down for me. Have been given an assignment in college to create a Login / Register page using sql and jsp. I have done a page like this before but … |
| | I'm trying to create simpel notebook for me to take down classnotes, using java swing & SQLite. This will even help me to learn more about swing & SQL . (I'm not sure whether it is possible or SQLites usage is good or not). So anyway i decided to use … |
| | Hello Everyone, I've a problem with java & SQLServer 2005 interface, i installed a SQLServer 2005 and SP2 software bundle to enable SQLServer to run on Windows Vista, i'm using the "Windows Authentication" in SQLServer 2005 which don't need the username or password, and i've the classpath to jar archive … |
| | hi, is someone knows how to accept the entered values the table cells when i clicked a button, instead of using the setSurrenderXXXX() method. |
| | i want move date whenever one perticular field gets some value... eg. if i have field name event and date .event is a select box . when approved is moved to event box todays date should move to date field. pls send me a javascript related to this  |
| | Note: I'm using a JList as an audio playlist. I was wondering if there was a way to automatically update a custom ListCellRenderer. Basically I ask is because within my ListCellRenderer I have an isPlaying item that will change the color of the object in my playlist that is playing, … |
| | Hi all, i have to make an application that can take the user's input and finds out if the year is a leap year. The input has to be divisible by 4 and 400 but not by 100. This would then produce an answer if the user's input is true … |
| | Hi everyone! I am working on a course project for a software engineering class that generally deals with "Usability of APIs". I have created some metrics that I wish to run a few Java APIs through and see how they measure up. To test out my metrics (for example, on … |
| | Hello friends, I have a problem in my stock trading terminal . Its not working properly as what it should be . i think i got a problem with applet .. At the status bar,it says "Applet RTApplet started" .. how to solve this ?? can anybody help me please?? |
| | I have to create a resultset that gives results in the next way: REGION 1 COUNTRY from Region 1 Country from region 1 REGION 2 Country region 2 Country region 2 Do you have any idea about how i can do it? thanks |
| | Greetings to anyone who reads this post. Actually I needed a help. I need to write a program for the Internet Browser application but don't know where to begin at. Could anyone please help me providing the information on topics that I will have to know about. I intend to … |
| | Hi I've two files for JDBC connectivity. 1)DBUtil.java - to establish DB connection using JDBC and close DB objects 2) GetEmpl.java - Uses DBUtil to connect to DB and retreives data. [code language=java] public class DBUtil { private static String dataSourceName = getJNDI(); private Connection conn = null; private PreparedStatement … |
| | I've seen a lot of different possible ways to do so, but I was wondering what people thought the most efficient way was. |
| | I have this method: [CODE] public String addBuddy(String buddyName, HashMap userList) { if(buddyList.contains(buddyName)) statusMessage = "Buddy already in list"; else if (!userList.containsKey(buddyName)) statusMessage = "No such user on server"; else buddyList.add(buddyName); statusMessage = "Buddy added"; return (statusMessage); }[/CODE] When I call this in my main how would i display the … |
| | Does anyone know how I can import a List into a text file? Is there any difference if I try the same process in Groovy? |
| | what is wrong with this code. it does not read the input file correctly. private void readFile() { String fName = "c:\\game.txt"; ArrayList<ArrayList<String>> matrix = new ArrayList<ArrayList<String>>(); { try { File file = new File(fName); Scanner in = new Scanner(file); // for ( int i = 0; i < matrix.size(); … |
| | Hi all, I have a simple JFrame windows with two JLabel, two JTextField and two JButton. I use SpringLayout to display controls in on the frame. But when I run the application, the windows is displayed in a very small size. Only the two buttons are displayed. But when I … |
| | why won't this work? i have a txt file that i need to read into a matrix. i want to read into a char array so i can analyze each char separate. String fname = "c:\\game.txt"; char[][] matrix = new char[4][4]; private void readFile() { try { Scanner s = … |
| | Does any one know in which method the cursor in the dnd class is set, while dragging an object!! thanks lotts |
| | As far as I know, exceptions that are not subclasses of runtime exception or error should be caught (handled). When a file exception occurs, it should be caught because its a subclass of exception class, but how can it be recovered? If file is not found,it sounds silly to recover … |
| | i need help! the following query causes an exception but it works in mysql...can someone see the error? [CODE]"select uc.id, uc.userid, uc.carid, uc.description, uc.date, uc.km, uc.price, uc.remark, y.brand, y.type from Usercar as uc join (select x.cid as cid, x.brand as brand, t.name as type from (select c.id as cid, b.name … |
| | I have used MSAccess as backend. Date is stored in the Date/Time format. I have to retrieve only the date from the database using JSP code. But I get date as well as time. So plzzzzzzzzz help me in this problem. Give code if available. |
| | Hi Experts, i have this code -- [CODE] <%-- Document : index Created on : Nov 10, 2008, 3:25:29 PM Author : namish --%> <%@page import="java.sql.*"%> <html> <head> <title>Obtaining a Connection</title> </head> <body> <h1>This Page Obtains a Connection to a Database and executes a query</h1> <% Connection conn = null; … |
| | I'm suppossed to create a code that user only inputs 1 and 2 OR 99 to exit the program. if user had put wrong number, then gently ask them again... However, when i put 1, it keeps displaying "you've selected 1" and never ends. Also, when i press wrong number …  |
| | I need to creat a method something like... when the user inputs test1 test2 haha test3 end and display that should contain exact same one as above except "end": test1 test2 haha test3 so the "end" is the keyword to finish the inputing... [CODE] String s = new String(""); String … |
| | Hi, I have an assignment that's giving me some problem: [quote] "1.Add methods to your Human that return collections of arms and legs. implement these methods by iterating through the collection of limbs and checking what type of limb they are. Note that you will need to use the instanceOf … |
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