Adding External Archives?

Apr 21, 2014

I am doing a few Spring tutorials and in eclipse and for each tutorial I have to right click my project, build path, and then add external archives and then select the spring JAR files I want to bring in and use before my project will successfully compile and run. I was just wondering is this required for every project or is there a way I can set eclipse up to look in these locations for every project without me having to explicitly tell it too?

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How To Use External Libraries

Dec 23, 2014

I need to build an application that can preform measurements. So I have a measuring device that can be connected through USB (with a rs232 converter aka VCP).The manufacturer provided me with two libraries:

C++ : a library (.lib) file and a header (.h) file
VB6 : a DLL (.dll) file and a list (.txt) with all the available functions

And also some demo code. Can't get the C++ code running with my Borland C++ 5.5 compiler but the VB6 code is working.What can I use to integrate into my java code.

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Not Using IDE - External Classes

Aug 7, 2014

So I prefer to use Emacs rather than using Eclipse or some other IDE and I am wondering how to include external classes in my main file?

For instance I have my main file (the one that includes my 'main()' function) and then I have another class (seperate file(s)) for creating a GUI, or making a game and using a Player class, Weapon class, etc. How can this be done? Do I just use 'extends myclass'?

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Wait For External Application To Close

Jun 16, 2014

I am writing a console application that is to make use of the system editor on *NIX. For that I have written a method which writes a string to a file, launches an editor to change that file, and then reads the file again. The problem is the call to run the editor doesn't wait for that application to have closed.

Java Code: Runtime.getRuntime().exec(editorcmd + " " + tmpfn); mh_sh_highlight_all('java'); I need the program to wait for the editor to have finished.

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Javadoc Link To External Resource

Mar 17, 2014

In our product, we have many different of "roles". Some of these roles are defined in our dataload JSON and others are defined in our bootstrap SQL.

Throughout our code, we refer to specific roles by name. We want to provide some sort of documentation for these roles when we mention them in documentation, but we don't want to maintain multiple definitions/descriptions for these roles (ie: we don't want one for documentation and a separate one for execution).

Any way we can "expose" the role definitions to the documentation? The best thing I've got is adding some sort of "export script" to each generation of the javadocs, but I don't have a clue how, or if, that can even be done...

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Java Program To Execute External Application

Oct 9, 2014

I want to create a java program to find the applications running in my computer. And then I want to select a particular application called 'Harvest Client.exec'. Bring the application to front. And Then find a textbox in it and paste the things from clipboard.

I am not sure how to do this. I started by using some Runtime methods. But I am not getting anywhere.

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Importing External Libraries Such As Apache Commons?

Dec 10, 2014

I'm currently using TextPad or command prompt to compile and run my programs, and as usual I am not having any luck importing external libraries, in particular apache commons.

I couldn't see any particularly obvious settings in TextPad to set a library or class path (which is annoying as I really like the program), so I jumped back to cmd prompt to run it from there. Aaaaaand i don't understand .

This is my file structure at present:

/mainProject //includes .java and .class files, and where I've successfully placed .jar files before.

The apache commons zip file was extracted here, making:

/mainProject/commons-lang3/apidocs/orgs/apache/commons/<folders> //the commons-lang3 folder contains the jars I'm navigating to the /mainProject folder in cmd prompt and typing (amongst many other things) javac -cp /mainProject/commons-lang3 MonsterGame.java //with the -cp being pointed at the folder the .jar is in i've tried pointing it at the root folder where the import statement begins in the code (ie mainProject/commons-lang3/apidocs), tried moving the .jar files to the mainProject folder (pointing -cp at it) and more. No luck.

it seems everytime i try to import a new library something goes wrong..... its become a bit of a stumbling block to be honest. I seem to spend most of my time dealing with the 'administrative' side of coding (that was the politest way i could put it ), am I not doing it right?

I've read I'm supposed to include the .jar in the classpath, not just the directory. is this correct? (it still doesn't work...!)

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Count External Hyperlinks On Each Page Of Website

Aug 25, 2014

I need to count external hyperlinks to other web-sites on each page of the the web-site. I've found this code here on stackoverflow:

public class Scanner {
private HtmlProcessor hp;
private String baseUrl;
private int step = 0;
private List parsedLinks;
public Scanner(String baseUrl) {

[Code] .....

Also I've found other working code that uses standard Java but it counts links only in one web-page. Can't create pattern to look all pages on web-site yet.

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Possible To Connect Java Application To External Hardware?

Jul 27, 2012

I want to develop attendance system that scans students fingers for attendance and mark his attendance in database automatically once finger scanned.Is it possible to connect java application to external hardware? If yes what extra knowledge i should know ? How can i connect it ? and what books are good for it ?

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Call Variables From Main To Write To External File

Apr 27, 2015

I have this program, I am wondering if it is possible to call files from the main method and sort them into my saveOneRocord method? If so, how would that look?

my orderProcess Class

package stu.paston.finalprogram;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Scanner;
import java.io.File;
import java.io.PrintWriter;
import java.io.FileWriter;

[Code] .....

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Cannot Run Java Program That Is Using External Library From Command Line

Mar 30, 2015

I am reading the excellent book Algorithms. The author of this book is using his own libraries.

I have downloaded the libraries (it is a file called stdlib.jar) and I've store it in a directory called ~/Downloads(I am using a macbook pro).

Then I have created a project with IntelliJ Idea 14.1 using the default package (as it is the only way for a program to 'see' these libraries).

The program is running inside the ide, but because of the nature of this book, all the included code must be run from the command line.

The problem is that I cannot run for example the Average class from the command line because the system asks for the external library.

Specifically the error is :

I enter : java -cp . Average

and the Error I get is :

Exception in thread "main" java.lang.NoClassDefFoundError: StdIn
at Average.main(Average.java:11)
Caused by: java.lang.ClassNotFoundException: StdIn
at java.net.URLClassLoader$1.run(URLClassLoader.java:372)

[Code] ....

The Average class is the following :

public class Average {
public static void main(String[] args) {
//Average the numbers on StdIn
double sum = 0.0;
int cnt = 0;

[Code] .....

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Compiling Javac Is Not Recognized As Internal Or External Command

Oct 12, 2014

compiling javac is nt recognized as internal or external command

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Javac Is Not Recognized As Internal Or External Command Error

Aug 25, 2014

I've installed the Java JDK onto my Windows 8 laptop and the first thing I need to do is run the compiler from the Command Prompt. The first prompt I enter is C:java -version. This worked fine, however when I try to enter the next prompt C:javac -version, I am getting the following screen and messages:

Microsoft Windows [Version 6.3.9600]
(c) 2013 Microsoft Corporation. All rights reserved.

C:UsersMary>java -version
java version "1.8.0_20"

Java(TM) SE Runtime Environment (build 1.8.0_20-b26)
Java HotSpot(TM) 64-Bit Server VM (build 25.20-b23, mixed mode)

C:UsersMary>javac -version
'javac' is not recognized as an internal or external command,

operable program or batch file.

I have entered the path into the environment variables area within my control panel. Not too sure why the first prompt works, but the second doesn't...

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JavaFX 2.0 :: Display Image In WebView From External Directory

Jun 18, 2014

I have a WebView and a Javascript that appends an <img> tag in a webview.
 
Like so:
 
function insertImg(src) {
   $("body").append("<img src='" + src + "'/>");
}
 
I call this function with the following code:
 
String path = "file://Users/rod/Desktop/123.gif";
webengine.executeScript("insertImg('" + path + "')");
 
However, this does not work and no image is displayed.
 
How can this be achieved?

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JSF :: IllegalState Exception From Backing Bean Redirect To External Site

Dec 11, 2014

I am using a command button to post a form to backing bean method. At the end of that method I am attempting to redirect to an external site after setting various options in the response. I get an IllegalState Exception because of the redirect.

at com.ibm.ws.webcontainer.webapp.WebAppDispatcherContext.sendRedirectWithStatusCode
(WebAppDispatcherContext.java:571)
at com.ibm.ws.webcontainer.webapp.WebAppDispatcherContext.sendRedirect
(WebAppDispatcherContext.java:528)
at com.ibm.ws.webcontainer.srt.SRTServletResponse.sendRedirect(SRTServletResponse.java:1234)
at com.sun.faces.context.ExternalContextImpl.redirect(ExternalContextImpl.java:426)
at com.sun.faces.application.NavigationHandlerImpl.handleNavigation(NavigationHandlerImpl.java:181)

here is the problem code from the backing bean method:

if ( redirectPage != null ) {
logger.debug("attempting redirect: " +

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Change Frame And Focus In Card Layout From External Class / Trigger

Feb 18, 2014

I've constructed 4 different levels and allow the user to select the level they want to play from a central JPanel in a Card Layout system. My problem is that once a level is completed, I can't switch the JPanel which is displayed to start the next level, since I don't know how to access the original JPanel which acts as a driver for the other panels.

MainFrame.java
Java Code: import java.awt.BorderLayout;
import java.awt.CardLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.Font;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;

[code]....

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Applets :: Accessing External Resources - Play Particular Sound Whenever Button Is Pressed

May 4, 2014

I am quite new to developing Applets in java. I recently made an applet that will play a particular sound whenever a button is pressed. The sound files are placed in the same directory as the applet class file and i access them by using

AudioClip clip=getAudioClip(getCodeBase(),"A.wav").

The Applet runs fine in the appletviewer but whenever I try to open it using any browser like Chrome,IE,Firefox the applet loads but sound isn't played. I checked the java console and it showed

"java.security.AccessControlException: access denied ".

My questions are:

1. How do I allow the applet to get access to those files?

2. When the Applet is running from the local file system why CAN NOT I access those resources via getCodeBase() ???

3. I googled and found that I can sign a JAR and that can have full access to the computer. But how do I create a JAR from an applet (which has no Main method) while it asks me to point to the main class in the manifest?

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How To Attach External Files To Executable Jar Or Exe Files

Apr 13, 2015

In a program I created, I'm using a text file that contains some texts needed for the program. The method relevant to this is something like the following.

private String wordgen(){
try {
BufferedReader reader = new BufferedReader(new FileReader("src/Resources/adjectives.txt"));
Random rand = new Random();
int low = rand.nextInt(400);
String fil="";
int i=0;
while(i!=low){

[Code]...

The program runs fine in netbeans project but once the jar is created it does not corporate with the text file. ("null" is returned) How can I attach text files to jar and exe?

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Array Not Adding 1?

Jan 1, 2015

I am working on a text based adventure game. (This is NOT OOP at all) The problem comes in at my second if statement inside my loop, it is not adding 1 to my array locations[] it keep printing location[0] then a 1 at the end. Not really sure what is going on here. I would like it to when I type "Go north" it adds 1 to locations[]

E.G
locations[0]
Go north
locations[1]
go north
locations[2]
package com.PenguinGaming;
import java.util.Scanner;
public class Game{

[code]....

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Adding JLabels To GUI

Apr 5, 2014

I'm really struggling adding JLabels to my GUI. The code is giving no errors but the JLables aren't showing up as I think I've done something else wrong. Here's my method for adding the JLabels:

public void showGraphics(){
for(int i=0; i<message.length(); i++){
if(message.charAt(i) == '#'){
JLabel localLabel = new JLabel("test label");
getContentPane().add(localLabel);
}
}
}

I think the problem might be to do with how the rest of the GUI is setup and the fact that I haven't specified where to add the JLabel just that I'm adding them.

Here's what my GUI looks like.

I want the JLabels above the JTextArea.

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Adding Image To GUI

Jul 28, 2014

Code of file:

Java Code: import javax.swing.JFrame;
import javax.swing.JLabel;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.imageio.ImageIO;
import javax.swing.JPanel;

[code]...

The serializable class ImagePanel does not declare a static final serialVersionUID field of type long public class ImagePanel extends JPanel{ ^^^^^^^ ^ ^^2 problems (1 error, 1 warning) mh_sh_highlight_all('java');

im basically just trying to put the image inside the GUI and centre the text underneath it. Which is hard to believe since the text is above the image in the code .

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Adding Bill / Tax And Tip

Feb 1, 2014

I'm trying to make a simple program that will show the amount of a bill, the tip, tax and total with all 3 added.

Right now i am having issues with line 12. I am getting the error "Variable amount might not have been initialized

I thought i did initialized it.

import javax.swing.JOptionPane;
public class BillAmt {
public static void main(String[] arg) {
String amt;
double tax, taxTotal, tip, total;
tax = 6.75;
double amount;
taxTotal = amount + tax;
tip = taxTotal *.15;
total = tip + taxTotal;
amt = JOptionPane.showInputDialog("Please enter the amount: ");
amount = Double.parseDouble(amt);

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Error Adding Two Numbers?

Nov 5, 2014

package calculator;
public class operations {
int a = 5;
int b = 10;
public void add(int a,int b)
{
int c = a+b;
System.out.println(c);
}
}

I am not getting output to this question though it runs.

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Adding Values Within Jtextfield?

Mar 25, 2015

I have a supermarket checkout line where i have a list of available products on the left and then a basket on the right with the products in. The products are listed in an array, here is the product class

public class Product {
private String name;
private double weight;
private double price;

[Code] ....

with getters and setters excluded, and the list these are put into

public class productList extends DefaultListModel {
public productList (){
super();
}
public void addProduct (String name, double weight, double price, int code){
super.addElement(new Product(name, weight, price, code));

i have the price for each product to be displayed in a text field with the following code

addBasketItem = new JButton();
getContentPane().add(addBasketItem);
addBasketItem.setText("Add >");

[Code] ....

defaultCheckoutList contains my available items and defaultMainList is the basket, with mainTillPrice being the jtextfield.

This works to get the price however it just replaces each time i make a new entry with the price for the next item, i want a total of the price of all the items i have added, but not sure how.

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Adding Numbers In Table?

Mar 11, 2014

how can I add the numbers in quantity where it will automatically put in total?

im using netbeans.

just want the codes for how to add the listed quantity?

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Adding Validation To A Constructor?

Nov 17, 2014

I want to add validation to some of the elements in my constructor.

Person(String idIn, String nameIn, ) {
this.id = idIn;
this.name = nameIn;
}

I want to be able to check that the data for the ID is limited to a certain collection of characters formatted in a certain. For example, I may wish to limit it to 5 lowercase letters or numbers, or a combination of both. How could I do this?

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