Servlets :: Populate Text Fields Based On Dropdown

Nov 20, 2014

I have list of employees in my database and their associated information like employeeId,supervisor and process. I have class named EmployeeDetails having same properties. I am fetching details of all users using below code:

<%EmployeeDetails employeeList;
employeeList=(List<EmployeeDetails>)assetmain2.getEmployeeList(loginName);%>
<table>
<tr>
<td>
Requested For <select name="requestedForName" id="requestedForNameID">
<option selected="selected">--Select--</option>
<%int i=0;

[Code] .....

In employeeList, we have list of objects having data of employees. I donot know how to get which object is selected in dropdown and based on that rest of the text fields are populated. Example:

Name ID Supervisor
-------------------------------------------------------
Pawan Kumar3033045Vimal Kumar
Vimal Kumar3040901Dinesh Hemrajani

If Pawan Kumar is selected from dropdown then '3033045' and 'Vimal Kumar' should get populated.

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JSP :: Populate A Dropdown With Fixed / Static List Of Values?

Nov 3, 2014

I have a fixed list of 20+ values to be populated in a dropdown. The set of values are always going to remain the same, no future scope of modifications, additions or deletions.

Listing each of them as <option> in JSP is making the page look cluttered. Or is it better reading it as a comma-separated string from a properties file and then iterating to populate the dropdown.

What will be the best approach to populate such a dropdown in JSP?

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Servlets :: Shopping Cart - Show Text Based On Which Page A User Is Coming From

May 30, 2014

I am making a shopping cart app in JSP and servlets to bring it all together. Finally.

I have a registration servlet (c1), a registration form jsp (c2), a login jsp (c3). c1 checks if a username is in the database or not.

If the username is not there, then register the user and send them to c3. I want c3 to display a "registration successful" message if a user has just registered successfully and is coming from c1. ELSE, take the user back to c2 with a message which tells them to choose a different username or password etc.

How do I implement the logic of showing a message depending on where a user is coming from ? The servlets and jsps are ready and I only need to add this logic for a custom message. Of course, I could make a JSP for Registration Successful and one for Registration Failure. But, that seems to be unnecessary.

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JSP :: Create Text Boxes From Dropdown

Jul 9, 2014

I am able to generate text boxes. But I need one specific thing in that:

Through a drop-down I should select a number and those many text boxes should get generated.

Suppose I selected 4 from the drop down list. Then on screen it should display:

Student 1: Textbox
Student2: Textbox
Student3: Textbox
Student4: Textbox

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Servlets :: How To Get Whole List Table / Dropdown Data From HTML / JSP

Sep 4, 2014

Is it possible to get the list/ values in html/jsp from servlet?

I have a table inside an html/jsp page and when the user clicks a button I need to refresh the whole page with some additional text message.

Currently what I am doing is that I am using a java bean for the jsp page that contains a list of values inside the table then store it in session but I think there is a better way without storing it in session.

I tried using request.getParameter() but it only returns string.

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Swing/AWT/SWT :: Populate JPanel Based On More Information About Selected JTree Node From A File?

Aug 27, 2014

When you select a node in a JTree can you then populate a JPanel based on more information about that node from a file?

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Writing Data To A Static Table - Can't Populate All Fields With Data

Jun 24, 2015

I have a program which consist of several classes. The program reads a pom file and parses the data and then writes the data to a static table. The issue I'm having is with writing my LIB file data to my table. In the HtmlDataTable Class Im trying to write the files that are read in the lib directory to the table. My table currently consist of 3 columns (missing jar files,Lib Directory files, and POM file data) currently Im only able to write the missing jar files data to my table. In the HtmlDataTable class there is a for statement where I write the missing jar file data to my table. Im also trying to write the contents of the Lib directory within this statement as well. This is where I'm having my issue. My other classes consist of a SAX parser which parses the xml file, a class that creates my static table and a class that compares the jar files in my lib directory to the jar files in my pom file. . Theres a lot of code so I included the parts I felt were useful. If needed I can include the other classes as well.
 
public class ReadPomFile extends DefaultHandler {
public static void main(String[] args) {
try {
// obtain a SAX based parser to parse XML document

[Code].....

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Complicated ArrayList Function - Moving Between Fields Which A Player Can Perform Based On Game Rules

May 27, 2014

I have been working on this function and i can't get it to work. It's a little bit complicated so let me first explain what this is about:

1. As a little exam in my studies i have to program a halma console game with KI an stuff.

2. Everything is finished and works except for the Move-Calculation.

3. A Move is a Move from Field a to Field b which a player can perform in one round based on the game rules (Careful: We are not using the standard halma rules, we use different ones).

4. Class Move consists of the Starting Cell where the Figure before the Move stands and a target Cell where the figure will stay on at the Move end. It may include an Array of serveral Cells, the stop cells which the figure passes from start -> target since several jumps can be performed in one Move.

Valid Examples for Moves:

a -> b (From Field a to Field b)
d -> f through g,h,i (From Field d to Field f through the Field g,h,i

My Move Calculation where all possible Moves are calculated for a given figure consists of 2 parts. An expand() function which will generate all possible moves (works perfectly) and a jumpFix() function which isn't working properly.

Example:

After expand() I'm getting something like that:

a -> b
b -> c
c -> d
s -> t

This is however not finished, because the first 3 Moves are actually 1 Move. Because the player can Move from a -> d in one turn because those 3 are consecutive Move. The fixed Move would look like that:

a -> d through b,c

jumpFix() is also perfectly working for that situation, however there is one specific situation when it doesn't work. Let's say we have this situation.

a -> b
b -> c
c -> d
b -> e
e -> f
f -> g
s -> t

Then the only valid jumpFix() output would be:

a -> d through b,c
a -> g through b,e,f
s -> t

However i can not get it to work yet. Note: It definitely needs to be iterative, not rekursive else i would get an StackoverflowError.

This is my current Code of jumpFix():

Java Code:

/**
* Takes a look into all calculated moves and finds those which should be seen as one move, but are still considered to be more than one move (several jumps in one move)
*/

public static List<Move> jumpFix(List<Move> moves) {
Set<Move> result = new HashSet<Move>();
Set<Move> remove = new HashSet<Move>();
int lastSize = -1;
// repeat action until no moves could be merged
while (lastSize != remove.size()) {

[Code] ....

How to implement the special case where a Move splits into 2 or more branches and jumpFix() able to handle this case.

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Populate Array From Text File Or Scanner

May 26, 2014

I have a simple txt file, each line simply containing 1 word.I would like each work to represent an index of the array..im having some difficulty populating an array from either a txt file or a scanner.i seem to be able to fill the scanner so to speak with the contents of the text file but not the array. I don't know how to syntax it

import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;
import java.util.Arrays;
public class ReadFile
public static void main(String[] args) {

[code]....

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Get Values From Database And Set Them In Text Fields?

Apr 24, 2014

I have a button in which I need to do the following:

After I click it It reads the values given in a jtextfield1 and in the other jtextfields I need it to settext in them from the database I mean if I have for example id=1 when I click the button it goes to the database and find the id 1 then write the infos in the other textfields

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Text Fields Aren't Displaying

Jun 20, 2014

Here is my code for an inventory program. No matter what I do, I can't get the text fields to display in the program.

The Inventory Program Class

import java.awt.GridLayout; // required to create a grid layout
import java.awt.BorderLayout; // required to create a border layout
import java.awt.event.ActionEvent; // required for click events

[Code].....

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JSP :: Iterate And Populate Values Of TXT File Into Text Area

May 15, 2014

How can I read a text file present in my local directory say (C://test.txt) , iterate and populate the values of test.txt into a text area of the JSP page?

Contents in the test.txt file:
username:test
password:test123
domain:test321
DBname:testDB

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Text Fields - Input String Character S

Aug 24, 2014

What should be the code if i want to input a different string in case of the typed string. The case is : I have a predefined string S = "Peter,please answer my question" and now when i input another string inside the text field character by character i want characters from the string S to enter instead of the input string. In short, the input string should be disguised as string S.

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Populate ArrayList Of Different Data Types From Text File With Java

Aug 25, 2014

I would like to create an ArrayList from data types stored in a text file.The ArrayList would be multidimensional with two data types; int, String.

Example text file could be:

4 cahiers grand format
3 stylots bic bleu
5 gommes

I find it very difficult for multiple data types i don't see how its possible.

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Populate A Table With User Input Text And Selection From A Combo Box

Dec 4, 2014

I need to populate a table with user input text, and selection from a combo box.

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Swing/AWT/SWT :: How To Fill Text Fields With Selection From JList

May 2, 2015

I have an addressBook GUI where I have a JList that populates with the contacts names, and once I double click a contacts name I'm wanting to fill the textfields with the contacts corresponding data.

ex) ContactType: Family (enum), Name: Zoidberg, Address: 111 Space Drive, City: New York City, etc...

I've got it to where I select open from the JMenu, it populates the JList, but once I select a contacts name, all the textfields are populated, but only with the contacts name

ex) Name: Zoidberg, Address: Zoidberg, City: Zoidberg, etc....

What am i doing wrong here, and how can i fix it to where it fills out the correct data?

Here's my code so far:

public class AddressBookGUI extends JFrame {
private final int WIDTH = 450;
private final int HEIGHT = 300;
private JLabel currentlySelected;
private JTextField contactTypeTextField;

[code]...

I'm certain the logic is messed up near the end where i set all text fields to the index, because no matter what field i want to fill it's at it's going to set it to whatever index I select, but I don't know how to fix it.

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JSP :: Call A Servlet Variable In Page Text Fields

Feb 20, 2015

I want to call a servlet variable in jsp page textfields.Actually in servlet I fetch a jasper report properties in servlet variables and then this variable call from jsp page and after changing properties values this report saved.my servlet code is:

protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
JasperReport jasperReport=null;
Connection con=null;
JasperDesign jasperDesign=null;

[code].....

so how to fetch servlet variable from jsp page textfields on load page and after edit that values then again save this values in jasper report on save button.

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Why Text-fields And Labels Not Appearing On Dialog Window

Apr 27, 2015

I'm not understanding why the Jtextfield and Jlabel are not appearing on the dialog window.

public class CreateQuote extends JDialog {
private final JPanel contentPane = new JPanel();
private JLabel interestRate;
private JLabel numberofYears;
private JButton tupac;

[Code] .....

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Java GUI Program Not Showing All Text Fields And Labels

May 19, 2014

When i run the program it doesn't show all the text fields and labels and stuff but when i click btnTest_1 and go back to btnTest everything appears...

Java Code:

import javax.swing.*;
public class Frame extends JFrame{
private JTextField textField;
private JTextField textField_1;
public Frame(){
setTitle("Multifunctual Calculator");

[Code] ....

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Swing/AWT/SWT :: Creating Text Fields / Labels And Input Boxes On GUI

Oct 18, 2014

How to create text fields, labels and input boxes on a GUI, we haven't covered these in class as of yet, but I want my project to stand out so I'd like to know how to build a GUI now.

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How To Do Movement In Text Based Game

Feb 13, 2015

I'm relatively new to Java, I'm trying to create a text based game, like those old ones where you type "north" or "east" to move as such, and "look" to inspect the area. My only problem thus far has been trying to figure out just how I should... "structure?" the movement. As in, what's the best overall way to approach this? I've tried making a new method for every area and just passing a variable called "location," but along with passing the inventory and stat arrays, it's just become messy. Or is this a good way to do it? I have a separate method for when the player enters something, but then how will it know which description to give when the player types "look?"

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Text Based Game With A Window

Jun 4, 2014

I started a text based game, but I am dissatisfied with the console that PrintF prints to. How can I set up a window and have text output to that window, and have my player type responses in the window?

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Text-based Game Map Creation

Oct 25, 2014

So, I've been working on creating a text-based game engine that would create games similar to Achaea. It's been working pretty well so far. I just finished creating a great mapping system, but now I've run into a problem. I have a mapping system, but actually creating a map would prove to be quite a lot of work. Each location that the player can be inside of has a name, description, map symbol, and an array of the things inside of it. How can I make some sort of map creation program or something so that I can create my maps more easily?

I thought perhaps making a constructor that accepts a list of files, the first containing a table of strings for the names, the second containing a table of strings for the descriptions, etc.; but it seems that would be quite tedious and may be more complex than actually just hard-programming maps.

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Building A Small Text Based RPG

Dec 18, 2014

i'm totally new to Java.I'm making a small text based RPG and this is what i've come up for now.

Java Code:

import java.util.Scanner;
class Main {
public static void main(String args[]){
Scanner input = new Scanner(System.in);
Player playerObject = new Player();

[code]....

My thing is that i want the user to enter 'Caucasian' or another race in the console below and i want it to be saved in a variable or something else in the Player Class that i can later use it in texts or something else. My question is how can i do it?

I tried like 'int Mongoloid = 1; int Caucasian = 2;'

And the same with the others, and after that i tried to use them with the Switch Statement but it did not work.

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Text Based RPG - Allow User To Change Their Name

Sep 26, 2014

String name = "Aaron";
String whatToChange = "name";
String verifyNameChange = "";
boolean changeName = false;

if(whatToChange.equals("name")){
while(!changeName){

[Code] ....

I've been working on a small text-based RPG for fun. This particular part is supposed to allow the user to change their name. Now, the problem is that when they reach the option to change their name, the above code seems to skip the line:

name = scan.nextLine();

It will erase whatever the player previously entered for their name, as well. So it will print out:

Okay, let's change your name. What did you say it was? Alright, so you'll go by . Is that correct? [now allows input for verifyNameChange]

The above code works fine on it's own, but somehow messes up when put into the full program. I don't want to post the whole program, because it's fairly large. But the String name is set and functions fine before this bit of code.

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JSP :: How To Differ Between Fields That Not Exist To Fields That Are Null

Dec 7, 2014

how to differ between fields that are not exists to fields that are null? because in my api when someone wants to delete a field he sends null instead of a value. and if he doesnt want to effect this feild he doesnt send it.

{
"a" : {"1","2"},
"b" : "hello"
}
{
"a" : null,
"b" : "hello"
}
{
"b" : "hello"
}

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