Applet Image Not Displaying

May 4, 2014

I want to display a picture but it isn't working:

public class BildApplet extends Applet {
Image car;
public void init() {
this.setBackground(new Color(200, 200, 255));
car = this.getImage(getDocumentBase (), "redcar.gif");

[Code] ....

Why not?

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Displaying Random Images In One Applet

Sep 9, 2014

I have a super class and an inherited class. What it is supposed to do is display random images in one applet. The images dont match the words and images dont match the wording. What am I doing wrong? Probably a few errors.

Super Class:

import java.awt.Color;;
public class Dukes {
private Color noseColor = Color.red; // default Dukes have red noses
private String action = "../../images/duke/dukeWave.gif"; //default Dukes are friendly
private String whatDoing = "Give me something to do";
private String message= "";
public Dukes() {
int rint = (int)(Math.random() * 3); // randomly generates a 0, 1, or 2
if (rint == 0)

[Code] .....

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Sep 2, 2014

I've almost completed a Java class, but I've hit a snag on the final project. I have to design a code that will display an applet of a tortoise and hare racing each other. There are certain outcomes when a random integer between 1 and 10 is selected that either cause the animal to move forward or fall back. My code compiles correctly, but when it runs, only one of the two animals is displayed. How to fix it such that both animals will be displayed at the same time so I can view how they are in comparison to each other.

import java.awt.*;
import java.awt.image.BufferedImage;
import java.applet.*;
import java.net.URL;
import java.util.*;

public class Project2A extends Applet
{
Random gen = new Random();
private int harePosition;
private int tortoisePosition;

[Code] ....

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Feb 24, 2014

my java applet - displaying output with text

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Jan 16, 2014

I am trying to make a little game that moves a picture of peter griffin around. I wrote the code, but the image is not displaying on my JFrame.

Java Code:

import java.awt.BorderLayout;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import javax.swing.ImageIcon;
import javax.swing.JPanel;
import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;
import java.awt.event.KeyEvent;

[code]...

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Aug 3, 2014

The PNG Image is already in the src package thingie...

It's a 400 * 258 image...

Java Code: package frame;
import java.awt.*;
import java.applet.Applet;
import java.awt.event.*;
public class Temperature_Convert extends Applet
implements AdjustmentListener {
private Image temp;
private Scrollbar bar;

[code]....

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Feb 12, 2015

How would I go about erasing the first buffered image before displaying the second one and eventually a third and fourth so that it appears the image is moving across the screen?

myBuffer.drawImage(myArray[0].getImage(), xPos, yPos, null);
myBuffer.drawImage(myArray[0].getImage(), xPos + width, yPos, null);

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
public class KarelPanel extends JPanel {
private static final int WIDTH = 395, HEIGHT = 391; //constants

[Code] .....

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Jul 5, 2014

I'm currently following this Java tutorial:[URL]

I'm at the Image part of this chapter and I wrote/copied these 2 classes:

[URL]

The error:

Exception in thread "main" java.lang.NullPointerException
at javax.swing.ImageIcon.<init>(Unknown Source)
at image.Board.<init>(Board.java:17)
at image.Image.<init>(Image.java:10)
at image.Image.main(Image.java:20)

I'm fairly certain the problem is the path in this piece of code:

ImageIcon ii = new ImageIcon(this.getClass().getResource("C:GebruikersKristofferworkspaceImagessrcimageNature.jpeg"));

I've done some research and found that I should place the image in the same folder as my .java files, which I did [URL] but the problem still persists.

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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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Apr 30, 2012

I have an applet coded to recieve an image and upon mouse press i wish it to be cropped. For some reason its not implementing, I just think my brain is no longer doing what i think it should be or something, along those lines.

Code below

import java.applet.Applet;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.image.CropImageFilter;
import java.awt.image.FilteredImageSource;
import java.awt.image.ImageFilter;
import java.awt.image.ImageProducer;
public class CropImg extends Applet implements MouseListener

[Code] .....

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Mar 22, 2014

I have been reading some java guides here [URL] .... and was trying to put a bit of what I have learnt into practice but am having some difficulty. Basically, using netbeans IDE I have created a new jFrameform so that I can place swing components in design mode. What I want to create isnt overly complicated but I just cant seem to get it. In design I have simply added a panel and a button. When I press the button I want to display an image I have located at:

/resources/images/numbers/1.png.

This is my code so far (most of it has been automatically generated from me adding things via design mode:

/*
* 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 test;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import java.io.*;
import javax.imageio.*;

[Code] ....

I assume I need something like below somewhere , do i need to create a draw method? if so how do I call it as it is expecting graphics2d as a parameter, what would I pass into it?

BufferedImage img = null;
try {
img = ImageIO.read(new File("/resources/images/numbers/1.png"));
} catch (IOException e) {
}

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Jul 29, 2014

Working on an assignment for a class: Create a DESKTOP application that allows you to open an image file and enables you to zoom in on or out from an image. I believe all I need is too create an open button to open the actual image file, instead of the html link, this code is an example that the teacher provided.My current code:

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.net.URL;
import java.io.*;
import javax.imageio.*;

[code]....

how to add an open file button so I can search for the file and then open it into my program.

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Apr 8, 2014

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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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Apr 7, 2014

Sir, I'am new to Swing Programming. I have to create an application where an image is displayed on one Label. The same image has to be split in parts and stored in database pert wise. Later the user has to retrieve the entire image by viewing a small part of the image. I have already displayed the full image on the Label, now i don't know how to split the image and store it part wise in the database.

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I stored an image into MySQL database using swings and hibernate but I am struggling to retrieve that image from MySQL database and display same image in the jTable cell and same as on jLabel whatever I retrieve from the database using swings and hibernate .

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Dec 24, 2014

I had string url for image in mysql database and I want show image in mu jsp file bu I can't.

<c:forEach var="urun" items="${listUrun.rows}">
<tr>
<td><c:out value="${urun.kitapresim}" /></td>
<img src="<c:url value="${urun.kitapresim}" /> " width="270" height="190"/>

URL...

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Feb 23, 2014

I successfully added a background image on the Panel but I can't create my JButton image on top of my background image.

ImageIcon piano = new ImageIcon("src/img/piano_backgrd.png");
JLabel backlabel = new JLabel(piano);
panel.add(backlabel, new Integer(Integer.MIN_VALUE));
backlabel.setBounds(0, 0, piano.getIconWidth(), piano.getIconHeight()); 
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volup.setLocation(10, 0);
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How To Turn Image Into Tiled Image

Nov 21, 2014

I'm trying to make a method that takes an image and turns it into a tile image. So if the original image looks like this:

[URL] ....

then the output image should look like this:

[URL] ....

Here's a method that's supposed to do that but for some reason the output image looks the same as the original:

public static int[][] tile(int[][] arr){
int[][] tile = new int[arr.length][arr[0].length];
for (int i = 0; i < arr.length; i++) {
 tile[i]=arr[i];
}
return tile;
}

I recently changed the method and the error message I'm getting is "bad operand types for binary operator '+'. Here's the method:

public static int[][] tile(int[][] arr){
int[][] tile = new int[arr.length][arr[0].length];
for (int i = 0; i < arr.length; i++) {
for(int j=0; j<arr[i].length;j++){
tile[j]=(tile[j])+(arr[i]);
}
}
return tile;
}

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Mar 3, 2014

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By using Steganography we can hide text in an image. But how it works for image.

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Apr 5, 2015

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Jan 18, 2014

I am working on a program to have a user input two positive integers and then finding the greatest common denominator between the two. My problem is, I don't know how to display the number (num2) that is returned after the method. Putting a simple System.out.println gives me the error "unreachable code".

import java.util.Scanner;
public class ****
{
public static void main(String[] args)

[code]....

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Jun 19, 2014

My program task is if we give a character... the display will print CHARACTER AS CHARACTER Shape

IF WE GIVE LETTER L... IT WILL PRINT LIKE THIS...

L

L

L

L L L L

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Feb 10, 2015

I have a problem with one method for my assignment. This is the requirement for this method: "This method uses a loop to list all accounts contained in the Array, adding each account details to a String, before outputting to screen in the format specified in the screenshot below. Ensure that there are no out of bounds exceptions by checking if each array slot has an account object before adding its details to the output String. (arrayname[index] != null)"This is my code for this method:

public void listAllAccounts() {
String allAccountsString = "List of all accounts:
";
for(int i = 0; i < ACCOUNT_SPACES; i++) {
//allAccountsString += accountArray[numAccounts];
if (accountArray[i] !=null) {
allAccountsString += accountArray[i].toString() + "
" ;
}
}
JOptionPane.showMessageDialog(null, allAccountsString);

The problem is that the Message Dialog does not display the accounts I have already created. It just displays "List of all accounts:
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Mar 27, 2015

When i am trying to display the contents of this array its showing arrayindexoutofbounds exception...how do i display this array?

<%
String names[][] = new String[10][2];
for(int i=0;i>=10;i++){
for(int j=0;j<=i;j++){
names[i][j]="anu";
if(j>0){

[Code] .....

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Sep 20, 2014

I created a instance of a class AddItemView, inside StartUpMenuController. I then passed it into the class, the main method is below showing that as well. However when I do this:

else if(e.getSource()==menu.addBtn)
{
new addItem();
}

I get an error, little red line on the bottom of the text. I am testing the frame at the moment to make sure it is what I want before I move on to the Controller side of it. I just want to display it and go from there.

package mainMenu.Home.DataBase;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import addItemBtn.Home.DataBase.AddItemView;
public class StartUpMenuController
{
StartUpMenu menu;
AddItemView addItem;
 
[code]...

Not sure if this is the issue but the class I am making a new instance of is in a different package. I imported the package though.

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