Pop Up To All Active Users
May 14, 2015How can a pop up trigger from java web application to all active users to broadcast something?
View RepliesHow can a pop up trigger from java web application to all active users to broadcast something?
View RepliesThis program asks the user for their starting balance, number of deposits, and number of withdrawals for a month
Now, if the number of withdrawals goes over 4, it has to include a service charge of 1.00 for every withdrawal that was more than 4 (This works fine so far)
The problem I am having is this:
The subclass part of this program is supposed to determine whether an account is below 25. If it is, it should make the account inactive, until the account is 25 or more. The subclass will have a method that will override the super's setWithdrawal mehtod to make sure that no withdrawals will be made until that balance is 25 or more.
Then the setDeposit method in the subclass will also override the super's setDeposit method and make sure that the account is not inactive before any deposits are made. If the account was determined to be inactive at that time and the deposits that were added make it jump to 25 or more, than the account should be changed to active and then be allowed to call the super's method to set the deposit.
So...the issue I am having is the subclass trying to determine whether the balance is under 25 before it calls the super's version of that method where it will allow the user to take money out and when making deposits where it will determine if the account was inactive first before make it active while the deposits raise to 25 or above.
Here is my super class:
// This is an abstract class that will be used for its child class BankAccount
public abstract class BankAccount {
private double balance; // To hold the account balance for the month
private int numDeposit; // To hold the number of deposits for the month
protected int numWithdrawal; // To hold the number of withdrawals for the month
private double annualIR; // To hold the annual interest rate for the month
protected double monthlyServCharge; // To hold any service charge for the month
private double monthlyInterest;
[Code] .....
I have tnsnames string and I know one of the following Host is working say Primary-host .
DESCRIPTION =(ADDRESS_LIST= (ADDRESS = (PROTOCOL = TCP)(HOST = Primary-host)(PORT = 1521)) (ADDRESS = (PROTOCOL = TCP)(HOST = Secondary-host)(PORT = 1522)))(CONNECT_DATA =(SERVER = DEDICATED)(SERVICE_NAME = ORA112DB)))
How to get Port number of only primary Side ?. This needs to do because we cannot get port number using any oracle query.
I am in the progress of updating my code and re-testing after switching from Java 6 to Java 7. When I open multiple JInternalFrames in my application under java 6 I am used to closing the top most internal frame and having the frame immediately under it become the next active frame. When I run the same code under Java 7 I see a different behaviour in as much as when I close the last frame I opened, the next one to become active is the first one.
To illustrate this another way, lets say I open 5 internal frames, 1,2,3,4 & 5
In java 6 when I close frame 5, frame 4 becomes the active frame.
In java 7 when I close frame 5, frame 1 becomes the active frame.
I am making a Java project using Eclipse,oracle 10g and Apache tomcat.
Now my problem is that I cant create a session for the users. I have coded on jsp pages mostly.
Session creation using HttpSession through servlets or jsp
I'm doing a problem where I convert users input for the date (MM/DD/YY) into a written out date and year. That part is fine. The part I'm struggling with is then indicating what day that is in that year. how to use the user inputted MONTH, DAY, and YEAR to then get the day of year.
import java.util.Calendar;
import java.util.Scanner;
import java.util.regex.MatchResult;
import javax.swing.JOptionPane;
public class ConvertDate {
[code]...
I have to design/develop a module in java eg. Login. This module can be accessed by multiple concurrent users say 200, 500, 800 etc.
How such type of modules can be designed in such a way that it can perform successfully.
What are the main concepts at code level / Infrastructure level which we should take care while designing such modules.
What should i do to create a JSP page that can be visible to some specific user's.
View Replies View RelatedCan method variables be shared between users?
I was asked this on an interview and I didn't know what to make of it.
Question : What would you do block a user if he fails to login in 3 consecutive attempts ?
My Answer : I will make use of Session object, so that server could identify that all 3 requests came from the same system.
Dont know if i am right .
I have created this project and want to be able to add new members to my members arraylist, store the input in a .txt file and load the new members after closing and opening the program.
[URL] .....
How is this possible? Here is the servlet page.
/**
* Servlet implementation class InvoicingDeptServlet
*/
@WebServlet("/InvoicingDeptServlet")
public class InvoicingDeptServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
//Make arraylist global object
ArrayList<InvoiceData> invoiceList = new ArrayList<InvoiceData>();
[Code] ....
Is there a way to find how many users are logging on to my site at a specific time?
View Replies View RelatedI am trying to create a code which allows the users to create JButtons to a an existing frame.So what I want is that users can create buttons wihch opens a URL. The user need to be able to click on an Existing JButton called "Add Favorite", insert the name of the favorite and URL and the button is added with the functionality to open the URL in Internet Explorer.
I already have a beginning but have no clue how to add that functionaly to create JButton by pressing on button "Add Favorites" with the needed functionality The functionality needes to be added to Button4 ("add Favorite" ). As you can see, Button4 ("add Favorite") opens two inputShowDialog which allows the users to insert the name of the favorite and URL.
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.JButton.*;
import java.awt.Dimension.*;
import java.lang.RuntimeException.*;
import javax.swing.JOptionPane;
public class Favorites extends JFrame implements ActionListener{
//private JPanel panel1 = new Jpanel ("Add Favorite");
[Code]...
I have created this project and want to be able to add new members to my members arraylist, store the input in a .txt file and load the new members after closing and opening the program.
[URL] ....
I'm using this methodology for Java connection between client and server, the server allows the user to stay connected while it is sending messages, but if you stay an average time of 5 minutes without send anything it is disconnected, I need to increase that time to about 30 minutes or disable this disconnection for inactivity.
Settings:
Netbeans 8.0
Windows Seven 64 Bits Ultimante
The following code:
package redes;
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Font;
import java.awt.event.ActionEvent;
[Code] .....
In our web application we are using servlets,jsp and spring technologies.Here we are also maintaining session mechanism in our application.But now i need to count number of users accessing our web application at a time. How can i implement this mechanism...
View Replies View RelatedI want to limit the program to only accept a 12 digit input and an integer value but I don't know how to program it,
import java.util.Scanner;
public class testing4
{
public static void main(String []args) {
Scanner reader = new Scanner(System.in);
String input;
[Code]...
I need to allow users only enter integer into a String variable, "input" and I am not sure what statement to use.
import java.util.Scanner;
public class assq2b {
public static void main(String []args) {
Scanner reader = new Scanner(System.in);
String input,b;
[Code] ......
im trying to make a small program where the user enters their selection choice and it prints out the corresponding information. for example, if they choose "3", i want "3. Soup de Jour" to print out
import java.util.Scanner;
public class rest
{
public static void main(String[] args)
[Code]....
I have a problem with my code i try to identify users by password and username but I cannot recognize only the last row in my table in database what can i do ....
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
try {
state=conn.createStatement();
res=state.executeQuery("select*from conex");
String pass=new String(this.pass.getPassword());
String name=this.name.getText();
[Code] .....
I have project to get from users input like name,surname,to save to Jtable,i have table and jtextfiled but when user get input they don t save to table here is my code:
Project.zip (33.54K)
public class Projektni extends JFrame {
public final JTextField ime = new JTextField(10);
public final JTextField prezime = new JTextField(10);
public final JTextField index = new JTextField(10);
public DefaultListModel podaci = new DefaultListModel();
public JList lista = new JList(podaci);
String kolone[] = {"ID","Name","Age"};
[Code] ....
I need adding a textbox for users to input text onto my JFRame. Also how come the
frame.add(o);
is getting an error under the "add".
Main method class:
import javax.swing.JFrame;
public class main
{
public static void main(String[] args)
{
JFrame frame = new JFrame();
bot o = new bot();
[Code] ......
Other class (this is where I want the textbox to be)
import javax.swing.JTextArea;
import javax.swing.JTextField;
public class bot {
int x;
int y;
JTextField f = new JTextField();
JTextArea a = new JTextArea(30, 50);
}
I'm using this methodology for Java connection between client and server, I copied it from the internet, but the server allows the user to stay connected while it is sending messages, but if you stay an average time of 5 minutes without send anything it is disconnected, I need to increase that time to about 30 minutes or disable this disconnection for inactivity.
Settings:
Netbeans 8.0
Windows Seven 64 Bits Ultimante
The following code:
package redes;
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.PrintWriter;
import java.net.Socket;
[Code] ....
Coding a web application using Java 6. Try to implement the session timeout for users.
In the web.xml, I added:
<session-config>
<session-timeout>480</session-timeout> <!-- jsp will expire in 8 hours -->
</session-config>
Now, during the runtime, if a user does not touch the jsp page for 8 hours (after the user has signed in), the session timeout mechanism will kick in. At that point, the server side will automatically execute:
rd = req.getRequestDispatcher("/signin.jsp");
So that the user will have to re-sign in, before continue the work.
How can I achieve this goal?
Write a program that asks the user to enter five test scores. The program should display a letter grade for each score and the average test score. Write the following methods in the program:
calculateAverage This method should accept five test scores as arguments and return the average of the scores. determineGrade This method should accept a test score as an argument and return a letter grade for the score, based on the following grading scale
Score Letter Grade
90-100 A
80-89 B
70-79 C
60-69 D
Below 60 F
double test1,test2,test3,test4,test5;
double average;
char grade;
Scanner keyboard = new Scanner(System.in);
System.out.println("Enter the first score");
test1 = keyboard.nextDouble();
System.out.println("Enter the second score");
test2 = keyboard.nextDouble();
[code]....