35,618 Topics
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| | I want to create a message table, where every incoming message is saved as a row in a message. According to the picture below. Any introductory help will be very helpful. I already have รก application where the messages are printed on a textarea, but for further inhancment I want …  |
| | I have a class that has a text area. the code is as follows package view; import java.awt.Font; import java.awt.GridBagConstraints; import java.awt.GridBagLayout; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JTextArea; import javax.swing.ScrollPaneConstants; public class LabelStatus extends JPanel { /** * */ private static final long serialVersionUID = 1L; … |
| | I have 2 files writen in java, if someone can please covert them in C# and give it. The problem is with type of variables and operators, many operators are not overloaded like in java, idk what to say... This one will not work in C# as integer result |= … |
 | Its not a new question, i already searched many forums and found many answers but the builders i found arent able to compete with builder of vb.net and c#.net, so i thought to take some decision from some experience people , please give me some of your suggestions. I already …  |
| | i have image on my web application. When i click that i will be redirected to track jsp.What that jsp does is track the image that is clicked and redirect to that image url .At present i asing response.sendredirect(URL) which will redirect in same window.Is there any possiblity to open … |
| | I am getting a null pointer exception on line 36 of this code, I do not understand how any of my values are null because they should all be filled with data from the text document. What am I doing wrong? import java.io.BufferedReader; import java.io.DataInputStream; import java.io.FileInputStream; import java.io.InputStreamReader; public … |
| | Hi there. Recently, i wrote a program that would return ridiculously high numbers as BigIntegers. The program is working at all, but when the BigIntegers get to a value that I have estimated to be around 2^329554, and takes up between 30-45 kilobytes, i get this error: Exception in thread … |
 | i'm trying to read data from .csv file and it give me grabage so i will be pleased if someone help me thanks import java.io.*; public class ReadFile { public void File2 () throws FileNotFoundException, IOException{ FileInputStream fstream = new FileInputStream("C:/myfile.csv"); DataInputStream in = new DataInputStream(fstream); BufferedReader br = new … |
| | What are Locally caught Exceptions in Java? Whats the dofference between the ones that are caught locally and ones that are not caught locally?? |
| | I've had nighmares about this since 3 days ago and couldn't find anything by googling so here I am. As the title says so i need to find a way to store and then retrieve images from a mysql database I have tired the code below to do so (the … |
| | hi, i managed to upload files from client to server hard disk using apache commons. how could iretrieve files to client from server again? plz gimme an idea of implementation thx beanboy. |
| | Hey! I got two classes here, one that does stuff with an image and one class utilizing the other class. So inside my picture class I have an Image object and in my other class I want to have a JFrame and I want to set the size of the … |
| | I want to display image from database to my htnl form but it id not displayed. Image copied from database to local c:\file_upload folder but from this folder i want to display in img src in html form .project doesn't give any error but image not displayed on html form. … |
 | having a problem with a program im working on with inheritance. suppose to output the area, perimeter, and area i think i have it all set up correctly but its not out putting correctly here is the the superclass that inherites to the client form. public class CIRCLE extends CLIENT … |
| | hi, actualy i want to bring values from servlet to the dropdown of jsp. in my servlet i fetch the values from the database into the variable and now i want to list thosevalues in the dropdown of jsp page. please provide me the syntax for that.  |
| | Hello, need help from experts in jsp/servlet.. i have a program in jsp that needs to upload a file and save this in desired folder and send the filename to database.. and its working properly.. my problem is.. i dont know how to save the additional input text in database.. … |
| | okay, i am trying to implement a program that cycles through a circularlly linked list to find different strings "assassins" and then eliminate the next person in the list. I believe that most of my code is correct with the exception of how I set up my linked list as … |
| | hi all i have applet that i want to connect to the server when i run the applet from the appletviewer the applet connect to the server ,but when i run the applet from web browser i have the following exception java.security.AccessControlException: access denied ("java.net.SocketPermission" "127.0.0.1:3000" "connect,resolve") even i give … |
| | Hi all, I am in new in Advance Java. Can you suggest me good books or videos or any site to learn from scratch.and from where I have to start? Thanks in advance |
| | If I highlext text on a website, is there a way for a program to automatically have it copied and pasted into an external program, say Microsoft Word? I would want to highlight text, and then right click and have a program function added to the other functions that show … |
| | First I would like to state that I am almost positive that this is a bug in Java, not a coding mistake by me. This program is designed to print the first n (inputted) square triangular numbers (STN's). A STN is a number that is both a perfect square and … |
| | Hello, I've no experience with layouts, and I want to learn it, especially how to place components in the right places. I'll give an example, and I was wondering if you could help me? **Main class:** import javax.swing.*; import java.awt.event.*; public class Main { public static void main(String[]args) { final … |
| | I'm working on a project, and i put in some code to tell the program when to stop. Basically it completes it's task then shuts itself down, however it outputs information to a text box aka log. I'd like to stop the program from running, yet leave the log open … |
| | So i have a jar of a project that i was working on, and i want to use it as a library in another project (resource adapter). I have brought it into the libraries folder, and used an import. I basically want to be able to call that whole project … |
| | <html> <body> <%@page import="java.sql.*"%> <form method="post" action="csea.jsp"> <table border="1"> <tr><th>Reg No</th><th>Name</th><th>Present/Absent</th></tr> <% String pa = request.getParameter("pa"); try { Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); Connection con = DriverManager.getConnection("jdbc:odbc:Student"); Statement st = con.createStatement(); ResultSet rs = st.executeQuery("select * from student_details"); while (rs.next()) { %> <tr><th><%=rs.getString("reg_no")%></th><th><%=rs.getString("s_name")%></th> <th><input type="text" name="pa"/></th> </tr> <% } st.executeUpdate("update csea set pa='"+pa+"'"); con.close(); … |
| | Hey folks, Basically, I am trying to recreate Conway's Game of Life in java. I'm getting input from a file and using it as the first generation. I set up my array and have input working correctly. However, when I'm trying to use a method evaluate my array at certain … |
| | Hi everybody, I'm trying to figure out how much memory was used for merge sort algorithm. I believe it is just one or two expressions, but can't come up with them by my own. public void mergeSort (T[] data, int min, int max) { T[] temp; int index1, left, right; … |
| | Suppose i have a standalone java project that performs two main functions, send and recieve. I want to deploy it to the glassfish server to be used just like that. An EJB connects to it though a resource adapter, and i just want it to run one of those methods, … |
| | ii m getting error message "class ,interface or enum expected.can anybody help me please thanks.." import javax.swing.*; import java.util.*; public class StudentBook { ArrayList students; public StudentBook() { students=new ArrayList(); } public void addStudent() { String name=JOptionPane.showInputDialog("Enter the name of the Student"); String rNum=JOptionPane.showInputDialog("Enter the Roll Number of the Student"); …  |
| | Suppose i have a standalone java project that performs two main functions, send and recieve. I want to deploy it to the glassfish server to be used just like that. An EJB connects to it though a resource adapter, and i just want it to run one of those methods, … |
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