How To Compile 2 Classes Of Labels In One In JPanel
Sep 18, 2014
I am having a pretty bad time with this y goto to classes one form labels with a certain image and the other for another images of the same kind but what i have to do is to use a third class in which both classes have to compile and appear in the right place. Ineed an example or something because i don't get it what to do?
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Jan 22, 2015
package demoServlet4;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class ListenerTest extends HttpServlet
{
public void doGet(HttpServletRequest request, HttpServletResponse response)
[Code] ....
Above is the code for three classes. class Dog compiles fine but other two classes cannot find Dog.
Following is the classpath and the JAVA_HOME
classpath = .;C:Program FilesApache Software FoundationTomcat 8.0libservlet-api.jar;C:Program FilesApache Software FoundationTomcat 8.0libjsp-api.jar
JAVA_HOME= C:Program FilesJavajdk1.8.0_25bin;
I am using javac -d WEB-INFclasses WEB-INFclassesdemoServlet4ListenerTest.java and javac -d WEB-INFclasses WEB-INFclassesdemoServlet4MyServletContextListener.java to compile the classes.
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Jan 24, 2015
numHitslocs
public class simpleDotCom {
int numHits=0;
int[] locationCells;
public void setlocationCells(int[] locs){
locs=locationCells;
[Code] ....
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May 5, 2015
I'm very new to Java, and I am creating a program that takes multiple user input to create one face. I have a class for the eyes, nose, lips, and headshape. For some reason, my program is not drawing the graphics. ***for question purposes, I have only included my head shape class and my test class****
my "test" class:
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
public class FaceTest
{
public static void main(String[] args)
{
String head = JOptionPane.showInputDialog("Would you like a circle, square, rectangle shaped head?: ");
[Code] ....
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Jun 9, 2014
I am making a game in java and i want to make a title screen. What I am trying to do is make a jpanel and load another jpanel when a button is pressed in one of the japenls. Here is the code for the runner
import java.awt.BorderLayout;
import javax.swing.JFrame;
public class Runner extends JFrame {
// Have these set up so they can be seen everywhere
public static final int GAMEWIDTH = 540;
public static final int GAMEHEIGHT = 710;
static boolean loading = false;
[Code] ....
here is the code for the jpanel that loads the other jpanel
import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.Rectangle;
[Code] ...
How do load a jpanel when a button is pressed in another jpanel
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Apr 2, 2014
I am working on a keypad for a phone app for school. I cannot get the numbers from the keys to show up in the textField. I have made multiple tweaks, but think maybe my case statement is the problem?We did a calculator application in the class, so I have based my code off of that. Although the telephone keypad seemed much simpler to code, I can't seem to get the numbers to show up.
public void actionPerformed(ActionEvent e) {
//test for button clicks
foundKey = false;
//search for clicked key
for (int i=0; i<keys.length && !foundKey; i++)
[Code] ....
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Oct 31, 2014
I've created a chat program, but now I need to show messages in different colors depending if the message is received or sent. I was wondering if I can use jlabel to do this but in this case I need that jlabels to scroll in a jpanel. how to do this or maybe using a rtf ?
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Nov 14, 2014
I have a listbox where data is displayed. The problem is when two items in the list have the same label, I am not able to get the correct item details; the item details are different.
I am using MyFaces 2.0 on Tomcat 6.
<!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:f="http://java.sun.com/jsf/core"
xmlns:h="http://java.sun.com/jsf/html">
<h:head>
<title>A JSF List</title>
[Code] ....
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Apr 27, 2015
I'm not understanding why the Jtextfield and Jlabel are not appearing on the dialog window.
public class CreateQuote extends JDialog {
private final JPanel contentPane = new JPanel();
private JLabel interestRate;
private JLabel numberofYears;
private JButton tupac;
[Code] .....
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May 19, 2014
When i run the program it doesn't show all the text fields and labels and stuff but when i click btnTest_1 and go back to btnTest everything appears...
Java Code:
import javax.swing.*;
public class Frame extends JFrame{
private JTextField textField;
private JTextField textField_1;
public Frame(){
setTitle("Multifunctual Calculator");
[Code] ....
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May 28, 2014
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] .....
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Jun 17, 2014
I have a Main() class that extends JPanel and I'm trying to add Card() that also extends JPanel.When I add a Card() or Main() object to the JFrame directly, it works fine. The problem arises when I try to add a Card() object to the Main() object.
I edited the code a little bit to make it easier to read so hopefully it's fine.
Main() code:
public class Main extends JPanel implements Runnable {
// HARDCODED OPTIONS
public static final int WIN_WIDTH = 1200;
public static final int WIN_HEIGHT = 800;
public static final int GRID_X = 9;
public static final int GRID_Y = 5;
[Code] ...
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Oct 18, 2014
How to create text fields, labels and input boxes on a GUI, we haven't covered these in class as of yet, but I want my project to stand out so I'd like to know how to build a GUI now.
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May 1, 2015
I need to format the items(buttons, labels and textfields) to make them look like the picture in the attachment.Here is my code:
import javax.swing.JFrame;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
[code]....
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Oct 6, 2014
Write a program to request a student number and their marks in 4 subjects. The program must print the student number, total marks and average mark. All outputs should be printed with suitable labels
This is the error am getting
Scanner get = new Scanner (System.in) - got a red line
int student number, total marks, average mark - got a yellow bulb with a red exclamation mark on it.
I just dont understand where the errors is where what the system dont have ... I am using netbeans ....
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Jul 10, 2014
Currently I try to integrate a JavaFX BarChart into my existing Java application. Therefore I need a BufferedImage of my BarChart, so that I can render that snapshot on a Graphics instance.
I adapted the existing BarChartSample.java (Chart Sample | JavaFX Tutorials and Documentation) and removed all animations. The code itselfs works fine but I identified one problem -> my TickLabels are missing
The TickLabels are visible If I use JDK 1.7u51 but if I change to JDK 1.8u05.... than the stlye of my BarChart will be changed and my tick labels are not visible.
Did I missed something or is that a bug?
using JDK 1.7u51
[URL] .....
using JDK 1.8u05
[URL] .....
My adapted code is the following:
package barchartsample;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.FutureTask;
[Code] .....
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Apr 18, 2014
How do you call classes within other classes? Or can you only call classes through the main?
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Feb 14, 2015
I'm doing an aggregation exercise that's suppose to find the volume and surface area of a cylinder. What I'm trying to do is pass values from one class, to a second class, and that second class passes values to a third class.
This may be a clearer explanation: The first class is the main program which sends values to the second and third class. The second class is used do calculations for a circle (a pre-existing class from another assignment). The third class grabs the values that the second class calculated and calculates those values with the one that was passed from the first class to the third class. The first class then prints the outcome.
Problem is when the program gets to the third class, it just calculates the value from the first class with the default constructor from the second class. It's like the second class never received the values from the first class. I think I'm missing a step, but I don't what it is.
First Class:
package circle;
import java.util.Scanner;
public class CylinderInput
{
static Scanner in = new Scanner(System.in);
public static void main(String[] args)
{
//user defined variable
[Code]...
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May 6, 2014
I'm doing a project and my code won't compile.
import javax.swing.*;
import java.awt.event.*;
public class BookStore extends JFrame{
private JPanel panel;
private JLabel question; //This will be where the question is.
private JTextField NumofBooks; //this is where the user will enter the number of books
private JButton OKButton,ClearButton,ExitButton; //Will give the user the points, cancel the points, and exit
private final int WINDOW_WIDTH = 310; //Need to make it visible
private final int WINDOW_HEIGHT = 100;
[code]....
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Mar 5, 2015
i would like to ask what does exactly do the command mvn compile. What is happening with the code, when i write this command? And why is it necessary for running the code?
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May 15, 2014
This is my TagHandler class
package foo;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.SimpleTagSupport;
import java.io.IOException;
[Code] ....
But it is not able to find all the classes referenced in the code. While compiling I am mentioning the servlet-api.jar
My compilation statement is this
C:Tomcat 7.0webappsSimpleCustomTagsWEB-INF>javac -cp "C:Tomcat 7.0libservlet-api.jar;.;" classesfoo*.java
It says package javax.servlet.jsp.JspException and javax.servlet.jsp.tagext.SimpleTagSupport does not exist.
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Apr 1, 2015
I created Myproject folder. Inside I have 3 folders:
/lib
/src
/bin
Inside src there is a .java file:
public class hello_world{
public static void main(String[] args){
System.out.println("Hi, from hello_world");
seba.st.hello_world_package test1 = new seba.st.hello_world_package();
test1.packFunc();
}
}
inside lib is a packEx.jar file which I created from this .java file:
package seba.st;
public class hello_world_package{
public void packFunc(){
System.out.println("hi from pack_func!");
}
}
I am trying to run this program from terminal with this command
javac -d bin -sourcepath src -cp lib/packEx.jar src/hello_world.java
and I get this error:
src/hello_world.java:11: error: cannot find symbol
test1.packFunc();
^
symbol: method packFunc()
location: variable test1 of type hello_world_package
1 error
What am I doing wrong ? How can I compile and run this program from terminal?
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Nov 20, 2014
if(false){}
but this is not
for(;false;){}
both will in theory never go in more interestingly this will compile
for(;false == false;){}
To me it seems like this is a parsing issue that could have been solved by the people who originally wrote the parser but they made a decision that there must be a relational operator in the condition declaration.
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Nov 15, 2014
import java.util.Calendar;
import java.util.GregorianCalendar;
public class CalendarCalc {
public CalendarCalc (){}
private static void printCalendarMonthYear (int month, int year)
[Code] .....
IDE is telling me this:
Exception in thread "main" java.lang.Error: Unresolved compilation problem:
The method printCalendarMonthYear(int, int) is undefined for the type CalendarDisplay
at CalendarDisplay.main(CalendarDisplay.java:46)
Btw, I have a main class. This is just the class responsible for doing calculations.
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Jul 5, 2014
i am trying to work through the Murach's Java Servlets and JSP book. I am stuck however. I keep getting a HTTP Status 500 - Unable to compile class for JSP.
I am using Eclipse Kepler, JDK 1.7, and Tomcat v7.0 server.
Its a fairly simple program that takes in user information, first name, last name, and an email and processes the information, saving the data to a text file.
------------------------------------------------
I have two Java classes: User and UserIO
-------------------------------------------------
//User.java
package business;
public class User {
private String firstName;
private String lastName;
private String emailAddress;
public User(String firstName, String lastName, String emailAddress){
[code]....
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Mar 19, 2014
I am making a simple mod/hack for a game programmed in Java. I located the .class file I needed and deobfuscated it and then decompiled it. After that I went in and made a very simple adjustment that I wanted to make. Unfortunately I can across a problem when trying to compile the file! The file won't compile because there are errors. The reason there are errors is because this is just one file out of an entire game. I know this my seem weird, but is there some way I can compile the file with the errors.
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