WAV File Using Java Eclipse
Mar 26, 2014
I am trying to .wav file using java eclipse ..
[B]import java.io.* ;
import sun.audio.*;
public class AudioDemo{
public static void main(String[] args)
throws Exception
[Code] ....
And I am getting the following errors ...
Exception in thread "main" java.io.FileNotFoundException: E:pppp.wma (The system cannot find the file specified)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(Unknown Source)
at java.io.FileInputStream.<init>(Unknown Source)
at AudioDemo.main(AudioDemo.java:10)
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Aug 11, 2014
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]...
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Feb 27, 2015
i have an older file I was working on 2 months ago and when i try to open it in eclipse I get a message corruption error. I know this is not possible since I was just working on it a while back, and it's the same program version as what i am currently using..Or would I do a file import instead?
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Apr 13, 2014
import java.io.*;
public class ReadNumbers
{
void input()
{
String File_name = "num.txt";
File numbers = new File(File_name);
[code]....
I am using eclipse and I went to file, add new file and named it num.txt:shot.png like show in the picture.
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May 1, 2014
So I downloaded jgrasp and eclipse on a new computer and am trying to figure out how their filing/path system works.In eclipse I created a new project under which I've imported all my files for my comp sci class, so they're all under this one project which is my only project. I attached a pic of what my eclipse workspace looks like. In this project folder is a file I'm trying to run.
I keep getting an error saying "editor" does not contain a main type.When I change my class name to the project folder I end up getting an option to run the program as an applet or an application, but either one I choose I get the same error message. In the bottom it gives me a warning saying
DescriptionResourcePathLocationType
Build path specifies execution environment CDC-1.1/Foundation-1.1. There are no JREs installed in the workspace that are strictly compatible with this environment. CS1050AssignmentsBuild pathJRE System Library Problem
I tried running the program in jgrasp and got this error
----jGRASP wedge2 error: command "javac" not found.
---- This command must be in the current working directory or
---- on the current system PATH or jGRASP PATH to use this function.
---- System + jGRASP PATH is "C:UsersQudrat.MommandiDocuments;C:Windowssystem32;C:Program Files (x86)InteliCLS Client;C:Progra
[code]...
I have the JDK installed in program files, I have the correct versions of eclipse and Jgrasp, and have uninstalled / reinstalled the JDK/Jgrasp/Eclipse so I don't know what the problem is?
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Apr 17, 2015
I am trying web service first time so want to client application which will consume webservice which are hosted online for testing purpose
now i want to call some methods defined in this wsdl [URL]....
can anyone tell how should i invoke methods using stand alone java file no eclipse which jar files should i use ?
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May 31, 2014
I'm programming a game in Eclipse using Java for Android. I was wondering if any good example of a Health bar using Images. All I can find is people using the progress bar, but i feel that's unprofessional looking.
My goal is to layer 2 images. 1 being the frame of the health bar, 1 being the value of the health bar. I figured it would be something like moving the value health bar image few pixels over depending on the variable of health.
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Apr 21, 2015
I'm trying to finish this game of hangman for java in the program eclipse. Currently when I run the program I get this in the text field:
in randomword
in string2Array[Ljava.lang.String;@22998b08
v
i
d
e
o
g
a
m
e
s
New Game
Enter a letter: s
s
???????????
After I try entering a letter it doesn't prompt for the user to enter another, nor does it change the ? mark when the user guesses correctly.
Here's the code :
import java.util.Scanner;
public class Hangman {
int NUMBER_STRIKES = 7;
int strikes = 0;
String userguess= " ";
private ArrayFunctions func = new ArrayFunctions();
String currentWord;
[Code] ....
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Jan 22, 2014
I made just a simple hello world class and i can not seam to make eclipse run it in any way not even the console.
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Oct 26, 2014
I am following a tutorial to write a 2d game from scratch in java but when I compile and run my code the application (JFrame) doesn't come up on my screen, it just runs for a second and terminates itself for some reason.
package com.thecherno.rain;
import java.awt.Canvas;
import java.awt.Dimension;
import javax.swing.JFrame;
public class Game extends Canvas implements Runnable{
private static final long serialVersionUID = 1L;
[code]....
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Aug 15, 2014
im wanting to create a console gui that opens with my program game and people can type stuff in it to run commands as well as a debug option to show when errors happen and have a command to list all availble command.
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Apr 18, 2014
I wondering how could i randomize a number 2 with 90% and 4 with 10% , with java eclipse?
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Jan 10, 2015
it will shows this kind of error
com.microsoft.sqlserver.jdbc.SQLServerException: The connection to the host localhost, named instance sqlexpress has failed. Error: "java.net.SocketTimeoutException: Receive timed out". Verify the server and instance names, check that no firewall is blocking UDP traffic to port 1434, and for SQL Server 2005 or later verify that the SQL Server Browser Service is running on the host.
at com.microsoft.sqlserver.jdbc.SQLServerException.ma keFromDriverError(SQLServerException.java:171)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.g etInstancePort(SQLServerConnection.java:3174)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.p rimaryPermissionCheck(SQLServerConnection.java:937 )
at com.microsoft.sqlserver.jdbc.SQLServerConnection.l ogin(SQLServerConnection.java:800)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.c onnect(SQLServerConnection.java:700)
at com.microsoft.sqlserver.jdbc.SQLServerDriver.conne ct(SQLServerDriver.java:842)
at java.sql.DriverManager.getConnection(Unknown Source)
at java.sql.DriverManager.getConnection(Unknown Source)
at jdbc.JdbcSQLServerConnection.main(JdbcSQLServerCon nection.java:25)
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Apr 24, 2015
try to make a game in this code i am trying to make the basics i have made a mouse it should move the game code is
import java.applet.Applet;
import java.awt.*;
public class Game extends gameLoop {
public void init()
{
setSize( 854 , 480);
Thread th = new Thread (this);
[code]...
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Oct 28, 2014
I've got a problem in Eclipse. The below code is a part of my program, used for (re)starting a new game. The 'public static int' statement gives the error 'This method must return a result of type int'..
public static int playAgain(){
boolean validInput = false;
do {
System.out.println("Would you like to play a game? Please answer 'yes' or 'no'.");
String playAgain = input.next();
[Code] ....
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Nov 1, 2011
I'm developing a JavaEE system with several applications on a Weblogic AS (10.3.5) using Eclipse indigo with OEPE plugin. I turned my computer off, turned it back on, started the eclipse, and all of a sudden I get class-path errors all over the place (didn't change a thing).
Now let me get this straight:
1. Say I have an application with one EAR project that contains an EJB project and an EJBClient project (both in the deployment assembly).
2. I have written a new regular Java project, and I want to use it in both the EJB and EJBClient projects (it needs to be visible to them).
3. As far as I know, I can simply add this Java project to the EAR project's deployment assembly, and it will be visible to the EJB and EJBClient projects.
4. This has been working for me so far, but now I get class-path errors and I have to add this Java project to the build path of each project.
How should I set the class-path when using JavaEE technology in Eclipse?
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Oct 29, 2014
how to change the color of an output element in Eclipse? Can't seem to find it anywhere on the internet.For example, a response to my question 'What color do you want?' could be 'red'. I added an if-statement, which states if input = red, start using a red colored 'X' as string for further output.How do I obtain the color red for my X?? Or isn't it possible changing the color of output elements?
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Oct 11, 2014
I have recently revisited a program I wrote a few years ago, that runs absolutely fine in the console in Eclipse. However, when I export it as a Runnable Jar File, then open the file on my Desktop, nothing happens.How do I get the program to export so that when I open the file, a window opens that acts as the console (so the program can run in it)?
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Feb 5, 2014
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.
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Jul 20, 2014
Code:
package button;
import javax.swing.*;
import java.awt.event.*;
public class Actions extends JFrame implements ActionListener
{
JPanel pnl = new JPanel();
[Code] ....
Errors:
Exception in thread "main" java.lang.Error: Unresolved compilation problems:
The type Actions must implement the inherited abstract method ActionListener.actionPerformed(ActionEvent)
event cannot be resolved
event cannot be resolved
at button.Actions.<init>(Actions.java:4)
at button.Actions.main(Actions.java:9)
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Jan 2, 2015
I downloaded this code from Head First Java. But when I tried running it on Eclipse, it gives this error message.
import javax.sound.midi.*;
public class MiniMiniMusicApp { // this is the first one
public static void main(String[] args) {
MiniMiniMusicApp mini = new MiniMiniMusicApp();
mini.play();
[code]....
and this was the error message: Jan 02, 2015 8:10:36 PM java.util.prefs.WindowsPreferences <init>Could not open/create prefs root node Software Java SoftPrefs at root 0x80000002. Windows RegCreateKeyEx(...) returned error code 5.
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Jun 19, 2015
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] ....
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Apr 28, 2014
Here attached my java code am trying to display .swf or .fla files from this code but am not able to retrieve .swf or .fla files.
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Apr 10, 2014
I've made a simple program in Java (Eclipse) that converts Fahrenheit to Celsius.The class is:
Java Code: package ehu.student;
public class ConversorTemperaturas {
/*--------------------------------------------------------------*/
/*Clase que dado una temperatura en Fahrenheit la canvierte en C*/
/*--------------------------------------------------------------*/
public float farenheit2celsius (float d){
float celsius, aux;
[code]...
When I write t.farenheit2celsius(25.6), appears the following error: "The method farenheit2celsisus(float) in the type ConversorTemperaturas is not applicable for the arguments (double)"If i change in the class the type float for double there is not problem. Why can't i use the type float?
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Jan 8, 2015
The game is too have two players, each user clicks a button and two dices will roll, if a user rolls a double they win.
firstly I have started with two imageview's and a button I am trying to randomise two images by clicking one button I have managed to randomise one image in one box but I am struggling to randomise both image views here is my code so far.
import java.util.Random;
import android.app.Activity;
import android.os.Bundle;
[Code]....
That code is only generating a random dice image in one of the image views I have hit a brick wall
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Sep 3, 2014
I currently use Eclipse to maintain our Java application. I recently upgraded from Java 6 to Java 7. I updated my Eclipse projects to use the Java 7 .jar files. I can run the application from Eclipse via the Run Configuration.
I can also run the Ant build and it completes successfully. When I install the application on my desktop, I receive the "Java Virtual Machine Launcher: Could not find main class..." error. My CLASSPATH is set to ".".
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