Java With A House Drawing Project
Nov 20, 2014I use a program called eclipse. I want to know how to build a house with the program. We use a pen in java. It is a drawing tool. I dont know how to do it.
View RepliesI use a program called eclipse. I want to know how to build a house with the program. We use a pen in java. It is a drawing tool. I dont know how to do it.
View RepliesI am currently trying to make a method to make a resizable house. While I can certainly resize the size of every object in the house, for example a window, door, or roof, that has proven very difficult due to balancing issues(having a big window can overshadow the entire house). What I would like to do is resize all objects together at the same time so everything is spaced out accordingly. I imagine I will need some sort of mathematical formula to do so(which I am horrible at). Here is the method for drawing the house and the implementation of it.
Java Code:
public void drawhouse(double sizeH, double sizeW,double xpos, double ypos) {
GRect body = new GRect(sizeH, sizeW); // w/2 h/3
body.setFilled(true);
body.setFillColor(Color.GRAY);
add(body, xpos, ypos);
[Code] ....
Ideally I wish I could just save all these objects into one (like creating a GObject and just calling that when I would want to edit it, but that has proven unsuccessful)....
I've got a question about drawing animations in Java (SWT). I try to draw an animation of some process.
When i use canvas.redraw() it seems like program firstly erases everything that has been drawn and then draws again.
My program draws about 1000 of rectangles per time step so animation doesn't looks smooth - it blinks all the time and I can't avoid drawing that many rectangles.
Is there a way to make it look smoother (for example to paint new objects over old ones, without erasing them)?
I won't paste code, it's rather large.
I have a problem which can't solve it for 2 days search. I need to draw 3d shapes , i downloaded all packages and set an example code and run it ...
Exception in thread "main" java.lang.UnsatisfiedLinkError: no J3D in java.library.path
at java.lang.ClassLoader.loadLibrary(ClassLoader.java :1886)
at java.lang.Runtime.loadLibrary0(Runtime.java:849)
at java.lang.System.loadLibrary(System.java:1088)
[Code] ....
rJ38Sk0.jpg8xPkese.jpg
So I'm supposed to draw this flag using java grids, here is what i currently have.
int height = grid.getHt();
int width = grid.getWd();
//Paint everything Blue
for(int c=0;c<height;c++){
for(int d=0;d<width;d++){
grid.setColor(c,d,Color.CYAN);
[Code] ....
at size 9 it looks fine, but at size 12 it is missing a black dot. How can I solve this?
i downloaded a sample database code of an online payroll system. How can i assemble it to know how it works.
the files include php and mysql files. it is to build an online payroll system
I tried many times to return a string from java project to an android project But it keeps sending incorrect values as in 2 as it should be 1 here is an example.
Java Project:
boolean somethingboolean = false;
if(something.equals("1")){
somethingboolean = true;
}
public static String getString(){
if(somethingboolean == true){
[Code]...
Android project:
System.out.println(JavaProject.getString())
and in the android project it prints "FALSE"
So what should i do?
Java 2D Drawing Application. The application will contain the following elements:
a) an Undo button to undo the last shape drawn.
b) a Clear button to clear all shapes from the drawing.
c) a combo box for selecting the shape to draw, a line, oval, or rectangle.
d) a checkbox which specifies if the shape should be filled or unfilled.
e) a checkbox to specify whether to paint using a gradient.
f) two JButtons that each show a JColorChooser dialog to allow the user to choose the first and second color in the gradient.
g) a text field for entering the Stroke width.
h) a text field for entering the Stroke dash length.
I) a checkbox for specifying whether to draw a dashed or solid line.
j) a JPanel on which the shapes are drawn.
k) a status bar JLabel at the bottom of the frame that displays the current location of the mouse on the draw panel.
If the user selects to draw with a gradient, set the Paint on the shape to be a gradient of the two colors chosen by the user. If the user does not chosen to draw with a gradient, the Paint with a solid color of the 1st Color.
Note: When dragging the mouse to create a new shape, the shape should be drawn as the mouse is dragged.
Java Code:
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.GridLayout;
import java.awt.Point;
import java.awt.TextField;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
[Code] ....
Missing things for the code check boxes for color gradients, line width and dashed.
As a brand new with Java I've created a small "Hello world" program using eclipse.
I would like to create an exe file from this application. Therefore, I need the jar file.
I can't find such a file with that extension in the folder where I saved the java project.
How can I manage this file?
I know it is a very basic issue, but as I mentioned it is the first "Hello world" test...
I should do, for my academic project, draw from a java project some information, for example, the class name and the relative method, and for each class even the package name where the class is. The information found must be saved an XML files...
View Replies View RelatedHow can we create deployment descriptor for the java projects.
View Replies View RelatedI have a gameengine stil partially in the works for pc made in java, I am attempting a port over to java but certain classes and other fuctions are not available for android that there is in java. this means that my render engine, gameengine and a couple of other clases therefore don't work.
My question is, is there anyway of using the gameengine classes that work into the project so that all i have to do is declare within the engine what i want to export for wheather this is android or java. or importing packages from the game engine project and directly linking with the ability of re-writing the odd few classes that do not work.
I want to develop a website using jsp and servlets.but i have a few questions:
1: I want to use oracle for database, can i use express edition?
2: After writing the code how do i transfer the code to the client
3: How to deploy the website on internet
I am doing for first time
I am suppose to submit my project as a WAR file but not sure how to do it.
View Replies View RelatedI tried many times to return a string from java project to an android project But it keeps sending incorrect values as in as it should be 1 here is an example.
Java Project:
boolean somethingboolean = false;
if(something == "1"){
somethingboolean = true;
}
public static String getString(){
if(somethingboolean == true){
return "TRUE";
}else{
return "FALSE";
}
}
Android project:
System.out.println(JavaProject.getString())
And in the android project it prints "FALSE"
So what should i do?
1. Modify the following class so that the two instance variables are private, there is a constructor that accepts both the player's name and sport and there are get and a set methods for each instance variable:
public class Player {
String name;
String sport;
}
2. You can pass an instance of this class to the JLabel constructor if you want to display text in the label.Select one:
a. myLabel
b. myText
c. String
d. JTextField
e. JLabelText
how to start making this work?cause i am not familiar with the terms here and want to complete this program and I am new to java programming?
I want start a project on a medical diagnoses system. i want to get a clue on how i will go about the development...
View Replies View RelatedI am working on a Java Streaming Networking ( Client Serve ) project , among remote client can:
1 ) chat,
2 ) Share files,
3 ) Share Screen live streaming,
4 ) Access the remote system.
All are working well faster & live on networking. But if i host on the Hosting server the all process are working but in deadly slow streaming is not live..,
I've been working quite a bit with a login system the past couple of months and I now have a version that I would like to try "for real" by extracting it as a runnable .jar or .exe file. I've looked at a couple of guides that told me how to do this properly, but even after following every step precisely it didn't work.
One of the guides I tried: 3 Ways to Create an Executable File from Eclipse - wikiHow
Double clicking the file or selecting it and pressing enter does nothing, the computer loads for a second and then nothing happens. I don't receive any visible errors when extracting the program, either.
However, when running the file from the command prompt I do receive an odd error:
Microsoft Windows [Version 6.2.9200]
(c) 2012 Microsoft Corporation. All rights reserved.
C:UsersUserName>java -jar Login.jar
Exception in thread "main" java.lang.IllegalArgumentException: input == null!
at javax.imageio.ImageIO.read(Unknown Source)
at LoginSystem.Data.updateData(Data.java:347)
at LoginSystem.Data.<init>(Data.java:309)
at LoginSystem.MainFrame.<init>(MainFrame.java:42)
at LoginSystem.MainFrame.main(MainFrame.java:457)
C:UsersUserName>
I must say I don't quite understand the error, it seems to be unable to load an image which is odd considering the program works fine without any errors at all in Eclipse.
Our goal is to write a pretty simple program, one that takes the 12 digit UPC code entered by a user and to not only spit it back out in a format with dashes using toString, and also returns the first digit, a 2 more groups of digits numbering 2-6 and 7-11, and finally display the 12th digit. It then performs an equation to check the last digit and make sure the UPC code is correct.
However, being so new to java (I only learned visual basic before), with this I was introduced to two new concepts that for some reason I simply cannot grasp for the life of me: Using and calling the toString method, and calling on methods that are created in a completely different class file.
The first section of code is my UPC class, which is meant to contain all my methods as well as the toString to be called on:
public class UPC
{
// Instance variables
private int itemType; // digit 1
private int manufacturer; // digits 2,3,4,5,6
private int product; // digits 7,8,9,10,11
private int checkDigit; // digit 12
[Code] .....
I wrote a simple random spelling game for a class project, was never able to get the labels to update when they should. I have tried .updateUI, .paintImmediately followed by .revalidate and by .repaint. Nothing seems to be working.
What the game does is show a random word for about 10 seconds, disappear and they user is to spell that word, you have 3 tries then will start over. The "brains" of the game work just fine, it is the labels updating with new text when they should doesn't seem to be working. There is 4 classes but the below is the "Main" that has the problems. Also have a null exception problem with the timer.stop(); not sure why. I am still pretty new to java.
Public class SpellMe extends JFrame {
// variables
JPanel mainPanel, secondPanel, thirdPanel;
JLabel mainLabel, wordLabel;
String spWord, sp;
JTextArea guess;
[Xode] .....
In my project, .class files of servlets are absent, because of some configuration mistake.
index.jsp
<html>
<body>
<h2>Hello World!</h2>
<a href="./MyClass">Click</a>
[Code] ....
MyClass.java:
package data;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class MyClass extends HttpServlet {
private static final long serialVersionUID = 1L;
[Code] ....
while execution of this project index.jsp executes fine but when servlet is called an error is thrown:
SEVERE: Allocate exception for servlet MyClassjava.lang.ClassNotFoundException: data.MyClass at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1680) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1526) at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1128) at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:827) at
[Code] ....
Directory structure:
App1
->Deployment Descriptor:Archetype Created Web Application
->Java Resources
---->src/main/resources
------>data
-------->MyClass.java
[Code] ....
I am having some issues with errors. Here is my code...
import java.io.*;
import java.util.Scanner;
public class StormChaser {
public static void main(String[] args)
{
// Constants
final int MAX_STORMS = 319;
[Code] .....
I am having issues with these error messages.... I have tried a couple of different things with each error but haven't been able to figure it out.
Exception in thread "main" java.util.UnknownFormatConversionException: Conversion = '1'
at java.util.Formatter.checkText(Unknown Source)
at java.util.Formatter.parse(Unknown Source)
at java.util.Formatter.format(Unknown Source)
at java.util.Formatter.format(Unknown Source)
at java.lang.String.format(Unknown Source)
at Storm.toString(Storm.java:98)
at StormChaser.DisplayStorms(StormChaser.java:141)
at StormChaser.main(StormChaser.java:53)
I'm new to the concept of ArrayList and I want to solve this problem in my code.
My main problem: I don't know how to sort itemA and itemB to appear only once then It will just add the total prices together.
This is the behavior of my code:
C:Documents and SettingsDrewDesktop>java ReceiptCode
Enter Company Name
ABC Co
Enter STREET ADDRESS
123 Main Street
Enter CITY, STATE, ZIP
[Code] ....
I don't know how to sort itemA and itemB to appear only once then It will just add the total prices together. Here is my sourcecode:
ReceiptCode.java
import java.util.Scanner;
import java.util.Date;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
[Code] ....
I am now stuck. I am writing a program that reads information from a data file and runs it through but program. However, I am almost finished with the program, but cannot figure out the last few parts.
public class Storm {
private final double KnotsToMPH = 1.15;
// global user-defined types:
private int beginDate;
private int duration;
private String name;
[Code] .....
I have not attached the data file because it contains a total of 360 lines of hurricane information.
I created a new project at eclipse with this code pasted inside a domApli container in a java file, I tried to run it but it wont work,
package domApli;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Prg2 extends JFrame implements ActionListener{
JLabel lblNom;
JLabel lblEdad;
JTextField txtNom;
[code]...