Export To Jar With More Than 1 Class
Feb 8, 2014
I create a snake game. Ant this game have more than 1 class. So i need this thing export to jar.. So i have question:
1.Do i have insert to public static void main(String[]args) method to somewhere class?
2.How to export to jar with more than 1 class..
And again, if I must insert main method in somewhere class, so which class?
snakeCanvas.java :
import java.awt.Event;
import java.awt.Point;
import javax.swing.event.*;
import java.awt.*;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.image.BufferedImage;
[Code] .....
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Apr 1, 2015
how to export a full jsf page to PDF. In my jsf page, I have a button to export to PDF and some fields where I am retrieving the values from a database. The form is ready but I don't know how to program code or program a button to export the page to PDF. I tried to search for an easy and a standard way but unfortunately I didn't find any useful example or code.
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Apr 1, 2015
How to export a full jsf page to PDF. In my jsf page, I have a button to export to PDF and some fields where I am retrieving the values from a database. The form is ready but I don't know how to program code or program a button to export the page to PDF.
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Oct 29, 2014
My app uses docx4J, XStream, and also uses an image on the start page. I placed all of this external libraries in Java Buid Path and in Eclipse it all works well but when I export all data to runnable jar file it doesn't work.
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May 24, 2006
I'm doing a project in JSP and Oracle..Here in my project there are two types of department.. Accounts and Sales.. Accounts department is able to download some pages to Excel format and it is working properly.. now in the sales they have to download in pdf format.. then only it is possible to send to the HO..now what they are doing is downloading the JSP page in excel format and converting to pdf manually using the Acrobat Printer.. is that possible to change to pdf format.. for converting to excel format.. i'm just using 2 linesand it is here
<%@ page language="java" session="true" import="java.sql.*" import="java.lang.*" contentType="application/vnd.ms-excel" %><%response.setHeader("Content Disposition","attachment; filename=test.xls");%>
in the filename side i chaged to test.pdf.. and in the contentType i changed to Acrobat readerand it is downloading but cannot view the content
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Sep 17, 2014
I'm making an import/export of xml - I have the import of xml sorted I'm just trying to finish off the export. My export class is called XmlWriter.java. Inside the class I have an updateFile method to update an xml file as such:
public void updateFile(Environment environment,Document doc)
{
// code
}
I then in my main method have
public static void main(String argv[]){
//declare new object of class
XmlWriter xmlWriter = new XmlWriter();
//test testUpdate method
// xmlWriter.testUpdate();
Environment environment = ;
[code]....
I don't know what to make my variables equal to - eclipse keeps trying to use null but obviously that won't work. The Environment is another class that just contains getters and setters for the 3 different databases (that are in the xml file) and the getter/setter for the environment ID (also in xml file).
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May 2, 2015
I am trying to export a DB record to an excel sheet. Below is the code which I tried. I am not getting any error but still only the first record of the table is getting inserted into the excel sheet. But when I try printing, I prints all the records. Below is the code I did to insert records.
for (int i=0;i<ColumnCount;i++) {
System.out.println("Inside for");
Label label=new Label(i,0,rsmd.getColumnName(i+1),cellFormat);
sheet.addCell(label);
WritableCell cell = sheet.getWritableCell(i+1, 0);
System.out.println("Column " + rsmd.getColumnName(i+1)+ " inserted");
cell.setCellFormat(cellFormat);
[code]....
I hope i am making a logical mi stake in the for loop. But still i am unable to locate that.
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May 28, 2014
I have a JSP and Java program which will read data from Excel and add them dynamically to create table.My requirement is i should able to edit the columns what ever the data that was fetched from Excel and export those contents to another excel file.This should happen on clicking a button, i mean to exporting the contents of the table.
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May 8, 2014
So I am creating a game in Java, the game works fine when I run it in Eclipse but when I export it it does not draw anything on the screen.
I added a try and catch for nullpointerexceptions but the game does not throw any nullpointerexceptions.
What is the problem?
The game seems to be finding all the images & resources since it does not throw any NullPointerExceptions...
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Apr 24, 2015
I have a library that I'm writing, the library contains a spring xml configuration file (lets say it's called libraryContext.xml) that sets the library up correctly for runtime, it also includes a test spring xml file that sets the library up for test by importing libraryContext.xml and overriding certain dependency injection beans (the library basically connects to a real database under normal conditions and uses dummy DAO's under test conditions). That bit is all fine.
The thing is, when I build the jar for the library (lets say it's called library-0.1.jar), the jar does not seem to contain the libraryContext.xml and that means that I can't import library.xml into my applications context.xml.
Basically, I have this line in my applications context.xml
Java Code: <import resource = "classpath:libraryContext.xml"/> mh_sh_highlight_all('java');
Unsurprisingly, since the xml file is not contained in the library-0.1.jar, the error I get is,
Java Code:
Offending resource: class path resource [applicationContext.xml];
nested exception is org.springframework.beans.factory.BeanDefinitionStoreException:
IOException parsing XML document from class path resource [libraryContext.xml];
nested exception is java.io.FileNotFoundException: class path resource [libraryContext.xml] cannot be opened because it does not exist mh_sh_highlight_all('java');
With respect to potential solutions to the above problem, I could:
1) physically copy the libraryContext.xml file (and its other *.xml and *.properties dependencies) into the application, but then I'd have to maintain duplicate files - I don't like this option.
2) find out if there is a better way to handle this problem from people who know better. E.g. is there a way to embed the libraryContext.xml file (and it's dependencies) into the jar file so that it can then be imported into the application. I've spent a while on google trying to figure this out and haven't come up with anything overly useful (perhaps I've been using the wrong search parameters).
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Feb 24, 2014
As of now am using icefaces 1.8.2 provided tags for downloading data into excel sheet where i can download all the data from a data table. But now the requirement is like need to download the data into excel sheet based on values passed from UI as parameters to the action class method.
Attaching the code snippet along with this post.
CustomerList.xhtml :-
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td>
<ice:outputLabel value="Export:" />
[Code] ....
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Aug 13, 2014
I'm trying to export a runnable jar file that requires lwjgl. Everything works in eclipse as I'm using
-Djava.library.path=nativewindows
as a VM Argument for the jinput .dll files.
After exporting & launching the jar it doesn't work of course! I get this error:
java.lang.UnsatisfiedLinkError: no junput-dx8 in java.library.path
I'm not sure how to make it work outside of eclipse....
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Feb 23, 2015
I am trying to export Solaris Display on Linux and trying to launch JNLP.
I am trying to follow the instruction mention in the following URL.
[URL] .....
I would like use the property mentioned in the above article in JNLP file on client side .
I did following nothing is working.
1. <argument>awt.toolkit=sun.awt.motif.MToolkit </argument>
2. <property name="awt.toolkit" value="sun.awt.motif.MToolkit"/>
3. java-vm-args="-Dawt.toolkit=sun.awt.motif.MToolkit"
4. export AWT_TOOLKIT=MToolkit
How do i check JNLP client is using it?
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Jun 30, 2013
Below is my first servlet program:
FirstServlet.java:
package edu.aspire;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.Servlet;
import javax.servlet.ServletConfig;
[Code] .....
web.xml:
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">
[Code] ....
Deployement:
To deploy my project into %TOMCAT_HOME%webapps folder.
Right click on Project ->Export-> War File
Project Name: Hello
Destination: D:Program FilesApache Software FoundationTomcat 6.0webappsHello.war
Result found in web browser:
HTTP Status 404 - /Hello/first
And Hello.war file is not found in webapps folder too after exporting as .war.
I am using Apache tomcat 6.0.37, eclipse 3.7.2 release, tomcat plugin :com.sysdeo.eclipse.tomcat_3.3.0
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Jan 31, 2014
Recently we got an issue about file download. We are using below code to fetch the data from backend(DB2) and export to excel.
Before Jan 15 it use to take 2 minutes to download the file (2 MB size). But now its taking half an hour to download.
response.setContentType("application/vnd.ms-excel");
response.setHeader("content-disposition","attachment; filename=Attendance_Report.xls");
We have restarted server, system but still problem exists. We found that there is no code level or data base level or network level issues.
Now we have to see server level issue. What are the factors which effects the file downloading at server level.
We are using websphere 6.1 ,java1.4
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Mar 5, 2015
How do you declare methods for a class within the class whilst objects of the class are declared else where?
Say for instance, I have a main class Wall, and another class called Clock, and because they are both GUI based, I want to put a Clock on the Wall, so I have declared an instance object of Clock in the Wall class (Wall extends JFrame, and Clock extends JPanel).
I now want to have methods such as setClock, resetClock in the Clock class, but im having trouble in being able to refer to the Clock object thats been declared in the Wall class.
Is this possible? Or am I trying to do something thats not possible? Or maybe I've missed something really obvious?
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Mar 1, 2015
Does child class gets a copy of the methods and variables of parent class?
public class test1 {
public static void main(String a[]) {
Child c = new Child();
c.print();
[Code] ....
why is the output 1?
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Feb 18, 2014
Class UserAssessBean{
private String username;
private int userid;
private ArrayList<ModuleBean> module;
--{get/set}--
[Code] ....
How can i access the getters/setters of module bean, when it was returned as array list in UserAssessBean?
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May 28, 2014
Regarding the lifecycle of servlet , in headfirst servlet i can find :
You normally will NOT override the service() method, so the one from HttpServlet will run. The service() method figures out which HTTP method (GET, POST, etc.) is in the request, and invokes the matching doGet() or doPost() method. The doGet() and doPost() inside HttpServlet don’t do anything, so you have to override one or both. This thread dies (or is put back in a Container-managed pool) when service() completes.
How can I call the doGet method of the subclass from the superclass. i am not getting this .
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Apr 14, 2015
I have a quick polymorphism question. I have a parent class and a sub class that extends the parent class. I then declare an array of parent class but instantiate an index to the sub class using polymorphism. Do I have to have all the same methods in the child class that I do in the parent class? Here is an example of what I mean.
public class ParentClass
{
public ParentClass(....){ }
public String doSomething(){ }
}
public class ChildClass extends ParentClass
{
public ChildClass(....)
[Code] ....
Is polymorphism similar to interfaces where the child class needs all the same methods?
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Feb 4, 2015
I want to know is there any way we can call parent class method using child class object without using super keyword in class B in the following program like we can do in c++ by using scoop resolution operator
class A{
public void hello(){
System.out.println("hello");
}
}
class B extends A{
public void hello(){
//super.hello();
System.out.println("hello1");
[code]....
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Jul 14, 2014
i want to write a class in such a way that i should get the current execution time of another class which is running. I searched in net but it shows only how to calculate the time duration of the current class which is running. But as per my way, i need the execution time of one class from another class. How to do this ?
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Aug 28, 2014
can we pass private final class object to another class constructor?
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Jul 5, 2014
I am working on a program that simulates a bug moving along a horizontal line, My code works correctly when I test it in it's own class but when I tried testing my constructor and methods in a test class I received an error saying, "package stinkBug does not exist" on lines with my methods. However, stinkbug is not a package.
Java Code:
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
[code]....
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Jan 8, 2014
I've 3 classes.
1. Circle
2. GetInputFromUser
3. testCircle
package ABC;
public class Circle {
private double radius;
public double getRadius() {
return radius;
[Code] .....
In the testCircle class, in the line: getRadius = ui1.GetInput();
It's showing the error: The method GetInput(float) in the type GetInputFromUser is not applicable for the arguments ()
And when I do: getRadius = ui1.GetInput(rad);
It's showing the error: rad cannot be resolved
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Apr 22, 2015
How to create object for "class B" and call the "function_B" from other different class D where class D has no connection with class A? Here is my program.
public class A(){
void print(){}
}
class B{
void function_B(){}
}
class C{
void function_C(){}
}
Here, A, B, C are in the same package. But class D is in different package.
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