Inventory Form Program - User Update Data In The Table
Apr 30, 2015
I'm getting ready to code a program that takes record of items loaned and return in a table. I want more than one user to access the program to be able to update the data in the table. For instance, if one user added 5 new items to the table, all other users would be able open the program to see a modified table with 5 new items. Was looking for some advice and was wondering if implementing a database would work best.
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Feb 11, 2015
My program is supposed to be used to keep track of inventory for a company. The user is prompted with a menu that asks them which item they want to update and then gives them another menu that allows them to buy, sell, or change the price of the items. For this, I need to have the variable values to change (based on the input of the user), because they are initially set to specific numbers. How would I do this?
Here's the part of my code that is relevant to this question:
balance = 4000.00;
lampQuantity = 400;
lampPrice = 10;
chairQuantity = 250;
chairPrice = 20.00;
deskQuantity = 300;
deskPrice = 100.00;
System.out.println("Current Balance: $" + balance);
System.out.print("1. Lamps " + lampQuantity);
System.out.println(" at $" + lampPrice);
System.out.print("2. Chairs " + chairQuantity);
System.out.println(" at $" + chairPrice);
[Code] .....
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Jan 8, 2015
I want to understand how is it possible to send data (image + text) along a single form. Here is my code:
<form method="post" action="updateAccount"
encType="multipart/form-data">
<input type="file" name="file" value="Select image ..." /> <input
type="submit" value="Start Upload" /> <br>
<textarea rows="8" cols="54" name="about">Yes
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Apr 30, 2014
for my assignment I am to only add the sort and total inventory methods in the inventory class. And not create an array in the inventory class at all. My inventory class should contain all the variables needed to use with the two new methods: sort and calculate total inventory.By not creating any array in the inventory class and not touching the variables at all.
What I have came up with is:
public class inventory
{
private int prodNumber; // product number
private String prodName; // product name
private int unitsTotal; // total units in stock
private double unitPrice; // price per unit
private double totalInventory; // amount of total inventory
// initialize four-argument constructor
[Code] ....
The error message I get is:
F:Java Programminginventory.java:62: error: cannot find symbol
return prodName.compareTo ( s. getprodName() );
^
symbol: method getprodName()
location: variable s of type inventory
1 error
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May 22, 2014
how I would achieve the concept of saving the contents of a JTable, so even after program restarts, the table would retain the data. I am developing a utility that will be a password storage book. The user enters passwords and they are stored in a JTable. Currently, the table resets whenever the program is restarted, however I would like it to keep it's data. URL....
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Feb 18, 2014
I have two separate applications who will access the same table in a database and the two application will update the table.
How can I make sure the integrity of accessing this table? Is it in the code or in the database level?
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Mar 11, 2014
I'm writing my first bigger program (mysql connection and the first thing bigger than 300 lines ). What I'd like to do is to render data from MySQL using JTable - I managed to handle all the queries but I don't know how to update the table on screen. I've tried to use repaint() but nothing happened. I'm not posting whole code because you'll probably not interested, below are the most important things. I thought about using TableModel but how.
public class Main implements ActionListener{
JTable table;
public Main() {
JFrame frame = new JFrame("Frame");
frame.setLayout(new FlowLayout());
frame.add(table);
[code]...
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Jul 16, 2014
My instructor gave me this code to use as my Array sort. I can not get this to work. I do not get any compile errors, the code just does not do anything.
Java Code:
package inventoryprogram4;
import java.util.Scanner;
public class Inventoryprogram4
{
static GUI mainGUI = new GUI();
static String outText = "";
[Code] .....
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Feb 28, 2015
I am trying to create a GUI with already existing code. My assignment is: Modify the Inventory Program to use a GUI. The GUI should display the information one product at a time, including the item number, the name of the product, the number of units in stock, the price of each unit, and the value of the inventory of that product. In addition, the GUI should display the value of the entire inventory, the additional attribute, and the restocking fee.
Where to start. The text book does not cover a GUI that displays this type of information rather it just displays graphics. I would like to create a separate class that holds the GUI information just to make everything flow better. I have provided my current code below:
Java Code:
// ProductTest.java
// by JakeB
public class ProductTest {
// main method begins
public static void main(String[] args) // begin main {
myGUI display = new myGUI();
display.setVisible(true);
[Code] .....
This is all I have for the GUI. I am at a total loss and I am behind 2 weeks now. I cannot move forward until I am able to get this done and the class ends next week.
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Jul 16, 2014
I have a HSQLDB-database and the update syntax is as follows:
Java Code:
UPDATE table SET column = Expression [, ...] [WHERE Expression]; mh_sh_highlight_all('java');
Now I would like to update a column, with an inner join. Because inner join is not supported in this update-syntax I put the relationship in the where clause:
Java Code:
update table1 set rang=null where table1.column1 = table2.column1; mh_sh_highlight_all('java');
But HSQLDB is always saying to me that there is an syntax error: user lacks privilege or object not found: table2.column1
But I am 100% sure, that there is a table2 with the column1. I have no mistake in writing!
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Feb 3, 2014
I am stumped on a coding project I am working on. I am making an inventory program with predefined values for the items. I am not sure how to iterate through my arrayList, and allow the user to input the "number sold."
I have made an arrayList and populated it using the add(), but I am not sure if it is working correctly. This is my inventoryItem class :
package inventory;
import java.text.DecimalFormat;
public class inventoryItm {
String itemName;
double unitPrice;
int numberSold;
[Code] .....
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Nov 17, 2014
I have a need to refresh my database for every 15 seconds. I have to work with jsp ajax and jquery. For small amount of db entries it is ok but My application is going to handle huge records more than 20000. In my present scenario, Im forwarding request to another jsp page which communicate db and returns a table as result. Instead of this what are things I need to do?? This is just a sample application only. On success I am gonna implement using Spring, hibernate. So instead of table returning json or arraylist like that will work??
Here is my code:
## index.jsp ##
<!-- begin snippet: js hide: false -->
<!-- language: lang-html -->
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<%@ page import="java.sql.*" %>
[Code] .....
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Apr 9, 2015
I would like to understand how does multipart/form-data works during file upload scenario's, Does it chunks the data from client to server while transferring the files ?
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Oct 8, 2014
I want to put my table inside a form for retrieval purposes (or Am i doing it wrong?) When the table is not within a form, it works perfectly. It displays information the way i wanted.
However, once I put the table inside a form the table doesn't display needed information. Is the problem the html or the jsp code?
Here's my jsp file:
<form action="deletemovie" method="GET" id="deleteForm">
<table class="table table-striped table-responsive table-hover">
<thead>
<tr>
<td>Movie ID</td>
<td>Movie Title</td>
[code].....
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Sep 13, 2014
I'm working a an assignment for my IT/215 class and I'm having a little trouble with my arrays. My code compiles just fine but when it comes to displaying the information I've input into my array it doesn't seem to want to and I'm not sure what I'm doing wrong here. On line 136 originally I had [DVDs [count] = count+1]] but it wouldn't compile. I then put line 136 to [ DVDs[count] = new Inventory();] and I think that's were my issue is but I'm not sure....
// Purpose:the purpose of this software is to display inputs as wells as the stocks and price of inputs.
class Inventory
{
private double ItemNumber; //to store Item number
private String ItemName; //to store Item name
private double UnitsInStock; //to store number of units in stock
private double UnitPrice; //to store Unit price
private double InventoryValue; //to store Inventory value
private double TotalInventory; //to store Total Inventory value
[Code] .....
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Feb 15, 2015
The goal was to add a few buttons an add delete modify search and save. I feel like I have the entire need satisfied. I'm having a few symbol problems which I'm not quite sure how to fix.
My full code is:
import javax.swing.*;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.awt.event.*;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
[Code] ....
which is directing me towards Prodname on the far right of the if statement. I'm not sure what the problem is. I've double checked my spellings several time for each spot and I cant quite get it.
Everyone has told me but I am aware that I made some bad decisions with the variables being capitalized this was my first go at a program and my instructor didn't let me know that thats the normal way to do it.
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Feb 21, 2014
I am using apache-commons-fileupload to get file from client to the server.(using JSP and Servlet).
JSP/HTML
<form method="POST" action="GetFile" enctype="multipart/form-data">
<input type="file" name="datafile">
<input type="text" name="text1">
<input type="submit" value="Next">
</form>
Servlet: GetFile
System.out.println(request.getParameter("text1"));
I am able to upload the file to the server, but I am not able to get the value of text1 in the servlet (I am getting null value of text1 in the servlet), I need this textfield in the form to submit some additional information while uploading it to the server.
--> Is enctype="multipart/form-data" option of form doesn't allow other form data to be submited? if it doesn't allow it then what are the other options I have to send this additional textfield to the server.
--> Or is there any other problem in my code?
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Mar 12, 2014
I am making rows and columns in the form of a multiplication table, listed below is my code:
package assignments;
public class MultTable {
public static void main (String [] args) {
int row, column, x, y;
for(row = 0; row < 8; row++)
[Code] .....
If you see my sample run you can see that I have the multiplication table down but, I haven't completed it. I have to make the bottom left half of the whole table blank somehow. For example, I have to make it halfway through the middle of the table the bottom left half full of white space...
5 6 7 8 9
12 14 16 18
21 24 27
32 36
90
hm, it's supposed to be the other way around horizontally.
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Mar 13, 2014
This is my codes in a button that if I click it . that information will send to Jtable but the problem is the jtable is in another frame so how can i connect this ?
DefaultTableModel model = (DefaultTableModel)
new admin().tableBagtags.getModel();
if (txtName.getText().equals("")) {
JOptionPane.showMessageDialog(null, "Please fill out all fields.", "Error!", JOptionPane.ERROR_MESSAGE);
[Code] .....
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Nov 27, 2012
Is there a way to inform the Entity Manager or force the JPA provider to reload data from the database? The scenario could be data being updated by a store procedure or direct SQLPlus maintenance, without restarting the Application Server, the JPA need to load the newly updated data from the database.
I think the current JPA API is not enough. The void refresh(java.lang.Object entity) from EntityManager need to pass in the Entity object, I will like to know how to refresh the entire JPA Entity data after the physical table data being update from backend.
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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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Sep 2, 2014
I have a client server application. The UI for the server contains a JTable and in each row, details of the connected client are shown. Say if I have 5 connections and the 3rd connection disconnects, I need the 4th and 5th connection details to be displayed in 3rd and 4th row respectively. Can this be done?
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Apr 11, 2014
I have requirement, in that I am showing a Datatable, above that table i have form in that i can register a employee, after clicking on submit employee data have to be saved in the database aswell as i have to update datable, so that I can see that registered employee in that Datatable, how can i full fill this requirement. I am using jsf 2.0, ejb3.0,jpa 2.0.
@Override
public List<Employees> getallEmployees() {
System.out.println("all employee fetched");
return (List<Employees>) em.createNamedQuery("Employees.findAll").getResultList();
}
In managed bean I am calling this service as fallow in init method, and i am binding same this. employee list to UI
public String getAllEmployeesfronHr() {
this.employees = customerservice.getallEmployees();
System.out.println(this.employees.size() + "=================size of employee");
return "";
}
For every submit button click i have to query database or is there any mechanism to update List / can we use entity manager in anyway so that we can update Employee List....
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Nov 8, 2013
I have 2 tables on 1 database
Table A, Table B
I need to evaluate a query by joining these 2 tables and then update the results in the 3rd table in another database. I need to use stateless session bean using JPA I believe. I need 3 Entities for each of the tables here.
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Mar 16, 2014
i need a password program that does the following:
- only shows the character count
- toggles between seeing the actual letters and character count in the text field with a button
i don't know how to update the character count as the user is counting.i read the oracle tutorial, and i have a vague idea that i'm supposed to use Document Listener but i'm quite clueless here.for the second part i'm thinking about using white space for the masking character and unmasking the field.
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May 29, 2014
I have an html form with 200 input fields of type text. The first input field contains the name of a book author and the remaining 199 fields hold each a title of a book that he or she has written. I also have a servlet that processes the form data and sends it to a file. The entered data is restricted to a combination of the characters "a...z A...Z". how do i go about with creating my html page. The input fields are just too many, how to retrieve the 200 values in servlet.
<html>
<head>
<script>
var k;
function testField(Expression){
k=1;
var str1="abcdefghijklmnopqrstuvwxyz ";
var sor=Expression;
[code]....
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