Displaying Icon And Title In Multiple Java Frames?
Jan 13, 2014
I developed a simple java gui . On running a frame opens with 5 buttons and each button opens another frame when selected. There are no errors and frames open and close as required however i see that only the main program frame has the icon and title that i assigned and the frames bieng called through the buttons have the default frame with java icon and no title although it's been specified in the code of these called frames. When these called frames are executed individually though the program the title and icon are displayed.
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Dec 2, 2014
how to display a jpg image on a through a Jlabel. I am sure it is a simple error but I am still new to GUI's. line 31 to 35 you can see the ImageIcon and file wrapped in the JLabel. I verified its in the correct location and file name, but usually fails (i thought) when it is not correct.
Java Code:
import java.awt.BorderLayout;
import java.awt.Color;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
[code]....
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May 27, 2014
I've been doing a course with a heavy focus on applets and AWT using BlueJ. I've branched out and learn to convert my applets to applications. I can successfully use frames to do similar things to applets (in BlueJ's applet viewer) but I can not seem to run more than application at a time (unlike applets where I could run several at the same time).
Below is a simple Hello World program I wrote. When I re-run main() it closes the original and starts again. (I'm aiming to explore the java.net.* libraries and for testing would like to use more than one frame at a time which can communicate to each over via sockets).
import java.awt.*;
import java.awt.event.*;
public class HelloWorld extends Frame implements WindowListener {
public static void main (String[] args) {
HelloWorld app = new HelloWorld();
app.setSize(500,500);
[code]....
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Apr 3, 2014
i want to know how i can add more than one frame in a single frame means main window or frame will be constant and only components will be chang or vary as in a software or game .
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Dec 3, 2014
I was developed a simple GUI, in that it requires modification of jtextfield content while JComboBox item selected and vice-versa. I was used itemListener on JComboBox and Document Listener on JTextField. It was gives exception while running the code. Because one listener source effected by another one..
Exceptions are like this:
Exception in thread "AWT-EventQueue-0" java.lang.IllegalStateException: Attempt to mutate in notification
at javax.swing.text.AbstractDocument.writeLock(Unknown Source)
at javax.swing.text.AbstractDocument.replace(Unknown Source)
at javax.swing.text.JTextComponent.setText(Unknown Source)
at ronanki.swing.pcahostsimUI$5.itemStateChanged(pcahostsimUI.java:368)
at javax.swing.JComboBox.fireItemStateChanged(Unknown Source)
[Code] ......
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Nov 25, 2014
I currently have a datatable on the bookingList.xhtml which is supposed to list all bookings made, if first booking petName is spot it displays the booking details perfect but if another booking is made (for example one with petName fluffy) then it displays 2 lines with fluffys details and spots details are not displayed, it carries on that if a third booking is made then the 3rd bookings details are displayed 3 times and neither spot or fluffys booking details are displayed,
bookingList.xhtml code
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:ui="http://java.sun.com/jsf/facelets"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:p="http://primefaces.org/ui">
[code]....
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Jul 7, 2014
When we place the mouse cursor over an desktop icon it will get highlighted. How can I achieve this through java swings?
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Apr 1, 2014
I am writing code for a simple java game. The problem I am running into is that I have a moving icon (J button) that is controlled using the keyboard (arrows) and I also have stationary icons (J button). Is there a way to keep the moving icon from passing over the stationary icon? I would like the stationary icon to act like a wall.
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Nov 13, 2014
I have a question about Frames per second in games. In a simple game i should be able to pull off 60(exactly), right? So if i have this code for a game loop:
while(shouldRun){
Thread.sleep(1000/60);
//loop code here
}
will that run at 60 fps?
The loop code takes a tiny bit of time, then it waits for (a second/60), so overall the code will be running overall since the code takes some time?
Is this the case , and if so is there a solution?
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Oct 20, 2014
I am working on this experiment code, I keep getting an exception:
run:
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: -256
at .MemoryManager.read(MemoryManager.java:68)
at .MemoryProcess.callMemory(MemoryProcess.java:39)
at .main(Lab3.java:29)
Picked up JAVA_TOOL_OPTIONS: -Dfile.encoding=UTF8
Java Result: 1
BUILD SUCCESSFUL (total time: 0 seconds)
The offending line is data=RAM[physicalAddress]; inside MemoryManager.java.
why this is exactly happening and thus correct my piece of code.
The code:
main.java
package experiment;
public class Main{
/**
* @param args the command line arguments
[Code].....
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Feb 24, 2011
I have developed a java GUI project. I put wrong name for my project. after some time i found it and then correct by right clicking and click rename tab.
Now i run my gui it shows old project name in title. i didnt get my new project name.. how can i change it to new name
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Mar 5, 2014
I have a TabView that generates the numbers of tabs, titles and content based off of the selected project from another field. I have managed to get it to load the proper number of tabs and content, but the first tab title displays the title of the first tab from the previous query.
The jsf is:
<h:panelGroup id="equipmentWrapper">
<p:tabView effect="blind">
<c:forEach items="#{databaseViewHandler.deviceTypes}" var="deviceType">
<p:tab title="#{deviceType.key}">
<ui:include src="#{deviceType.value}"/>
[Code] ....
And the method handling the content and number of tabs:
public DatabaseViewHandler() {
deviceTypes = new LinkedHashMap();
}
public Map<String, String> getDeviceTypes() {
return this.deviceTypes;
[Code] ....
The method findAssociatedEquipment() is called when it recieves a selected project to display.
The command button calls the update for panelGroup "equipmentWrapper". It updates fine for the ui:include and generates the correct number of tabs in the correct order.
So for example the first query might only generate one tab for an 881 device. Then if you select a project that should have a 2911 and 2960 it will correctly load both, but the title for the first tab will retain 881. Should you select a third it will have the title 2911 from the second project.
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Mar 16, 2015
I change TreeTableColumn.text but I got a Exception
Exception in thread "JavaFX Application Thread" java.lang.ClassCastException:
javafx.scene.control.TreeTableColumn cannot be cast to javafx.scene.control.TableColumn
at com.sun.javafx.scene.control.skin.TableHeaderRow$10.invalidated(TableHeaderRow.java:277)
so I check TableHeaderRow . I find this method
private final InvalidationListener columnTextListener = new InvalidationListener() {
@Override public void invalidated(Observable observable) {
TableColumn<?,?> column = (TableColumn<?,?>) ((StringProperty)observable).getBean();
CheckMenuItem menuItem = columnMenuItems.get(column);
if (menuItem != null) {
menuItem.setText(getText(column.getText(), column));
}
}
};
why don't they use this
TableColumnBase<?,?> column = (TableColumnBase<?,?>) ((StringProperty)observable).getBean();
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Oct 4, 2014
i want to check my array for a title, if the title is there i want to call a method, if the title is not there i want an error message. I am not sure how to get this. i think my code would work if it didn't always finish the method. for example if true the method stops and does run whats after the for loop. but that isn't happening.
void markItemOnLoan(String title, String name, String date){
int i=0;
for (i = 0; i < numberOfItems; i++){
if (items[i].getTitle().equals(title)){
items[i].markOnLoan(name,date);
}
}
System.out.println("ERROR: Can not find that item. ");
}
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Apr 9, 2015
I am familiar with php, but I don't know Java. We need a program, that will be able to scrape large amount of title tags from large sites, fast. I've been trying Seo Spider by Screaming Frog, and Xenu's Link Sleuth, but these programs are not good enough. They hang up, they save all the data in RAM, I think, and after a relatively short period of scraping, they stop working, become unresponsive, and so on.
Somebody recommended me getting a custom made program in Java, which would be able to scrape title tags only, from large sites (I am talking 25 - 50 million pages or more). I was told that it would not have a graphic interface, or anything like that. Nothing like this is needed too, we just need to have title tags.
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Dec 9, 2014
In a text file, I have individual titles (starting with ">" character), and under those titles, I have calculated values for a Counter. I want to search the entire text file for the highest counter under every title. After I get the highest counter, I would like to print it's title, name of the counter, and counter value. Example of the code I already have:
int letterCounter;
String line;
if (line.startsWith (">")) {
bw.write ("");
bw.write (line);
} else {
//code that counts how many total letters (letterCounter) under title
}
I am just trying to use basic concepts.
Sample of my text file:
>gi 91206428 ref NP_001035160.1 seven transmembrane helix receptor precursor [Homo sapiens]
letterCounter is 43
>gi 157412240 ref NP_001094800.1 C1GALT1-specific chaperone 1-like [Homo sapiens]
letterCounter is 7
>gi 117938299 ref NP_001071105.1 RAB6C-like [Homo sapiens]
letterCounter is 109
Sample of desired output:
>gi 117938299 ref NP_001071105.1 RAB6C-like [Homo sapiens]
letterCounter is 109
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Feb 23, 2014
I need to turn some strings from:
'1-the-high-street'
to:
'1 The High Street'
But...
if string is
'the-dog-and-duck'
I want to achieve
'The Dog and Duck'
...whereby the 'and' is NOT converted to title case
My code as follows:
String propertyPageTitle = "1-the-high-street";
propertyPageTitle = propertyPageTitle.replace("-", " ");
propertyPageTitle = WordUtils.capitalizeFully(propertyPageTitle);
System.out.println(propertyPageTitle);
prints: '1 The High Street'
How could I handle the second scenario so it does not convert 'and' to titlecase?
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Jul 28, 2014
my web browser isn't displaying any web page. When I create the method editorPane.setPage(), it takes forever (about 20 seconds) to show nothing. It'll load the web browser after the 20 seconds of waiting. Here is my code:
public class Browser extends JInternalFrame {
/**
*
*/
private static final long serialVersionUID = 4589041456161585394L;
public Browser() {
super("Browser", true, true);
this.setLayout(new BorderLayout());
this.setVisible(true);
this.setSize(Desktop.getSingletonInstance().getWidth(), Desktop.getSingletonInstance().getHeight());
[code]....
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Dec 7, 2014
I get no errors but the gui is not displaying
/*
* 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.
*/
package part1;
import java.awt.*;
import java.applet.*;
import java.awt.event.*;
import javax.swing.*;
class brick {
[Code] ....
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Feb 24, 2014
my java applet - displaying output with text
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Apr 16, 2013
I keep getting an error in my browser:
java.lang.IllegalArgumentException: argument type mismatch
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
[Code] .....
I see the file "myApache.log" got created but there's no info in it when i re-test the error, I have other existing appenders and categories in this same file which do give output so I know it has nothing to do with the file or the path itself.
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Feb 19, 2014
I have been given a task to scan the contents of a websites source code, and use delimiters to extract all hyperlinks from the site and display them. We havent been told anything about how to do this so after some looking around online this is what I have so far:
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Scanner;
[Code] ....
So my program can extract each line from the source code of a website and display it, but realistically I want it to extract each WORD as such from the source code rather than every line. I've looked around online but I don't really know how it's done because I keep getting errors when I use input.read();
How to make it extract each word from the source code?
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Feb 15, 2014
So I'm in the middle of creating a model program with voxels. I want to be able to see how the model looks like when I'm in for example my documents (not inside the real program). I want it to show an image of the model, just like a png file shows its image. I've tried looking around, but I've only found threads about changing exe files icon.
Image example:
So, is this possible in Java or do I need to use c/c++ (with JNA) to make this possible?
Or is it not possible at all?
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Jan 30, 2015
So I have got a button and there is this property assigned to it:
button.setIcon(new ImageIcon("srcimage.jpg"));
The icon is not displayed in full, as it is larger than the button. What property can I use to resize the icon? I have tried few and it did not work.
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Apr 5, 2014
I have written some error checking code
File name ErrorPage.jsp
<%@ page language="java" isErrorPage="true" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Error</title>
</head>
[code]...
I have put error.jsp and badpage.jsp file in public access folder that is web content in eclipsewhen I am running the code I am status code of 500 and not the errorpage.jsp message .
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Feb 23, 2014
Recently I have been working on an executable launcher. I tried to get the executable icons and set them on the JButtons. Still there are some problems. Here is a part of the code:
try {
button[i].setIcon(FileSystemView.getFileSystemView().getSystemIcon(new File(getConfig("path." + (i+1)))));
}
catch (NullPointerException ex) {
}
Here the getConfig() method is already defined to get a string in a "properties" file. However, the icons are very small and they don't fill the entire button.
How can the icon fill the entire button (for example, having a custom size of 48x48, or automatically filled the button)? The frame will not be resized.
Here is the whole code...
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import java.io.*;
import java.io.File.*;
[Code] ....
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