Jar Not Working As Expected
Feb 2, 2014
the problem which im facing when executing jar file is it is not working same as when i run file using the IDE.When run jar file, it won't open the new frame even the user and pass combination correct.But when i'm compiling using the IDE, it works as charm. The main menu popped up after i logged in.I've tried Clean and Build and it's not working too.
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Mar 11, 2014
I am trying to get a scrollPane working correctly, but not having any luck. The picture drawn in the center panel is quite large and goes off the screen. I visited URL... but I am missing something vital. Both tracks show, but there is no knob to do the scrolling.
public DViewer() {
super();
frame = new JFrame();
frame.setSize(Toolkit.getDefaultToolkit().getScreenSize());
frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
[code]....
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Aug 6, 2014
I am currently working on a Java project, below are my attempts at coding so far:
public class MyZoo
{
// zoo identifier
private String zooId;
// a number used in generating a unique identifier for the next animal to be added to the zoo
private int nextAnimalIdNumber;
// zstorage for the Animal objects
private TreeMap<String, Animal> animals;
[Code] ....
I currently cannot get the printAllAnimals() method to work as it should.
When executing the method printAllAnimals(), it does not do anything, when it is supposed to use the Collection object c, so that animals stored in the zoo can easily be checked.
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Jan 6, 2006
When do you get the error <identifier> expected? I've written a small application where input is accepted by a textfield and based on some condition a dialog should be displayed saying "invalid i/p". But am not able to correct ths particular error ....
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Dec 15, 2014
I am absolutely new to Java. I am creating a Servlet and getting the error interface is expected here.
I am using IntelliJ 14.
My Servlet code is as follows:-
package ERPdetector;
import javax.servlet.http.*;
import javax.servlet.*;
import java.io.*;
public class ErpServlet implements HttpServlet {
[Code] ....
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Feb 27, 2015
my code keeps saying identifier expected Here's my code
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
import java.awt.BorderLayout;
import javax.swing.JFrame;
import javax.swing.JButton;
import javax.swing.JLabel;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
[code]....
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Aug 9, 2014
I created a superclass Ships and under that a class CivilShips. Under that HumanBulkFreighter.
I declared variables in Ships and CivilShips and wanted to have them set in HBF to a specific value. When I know try to compile them I get the following:
HumanBulkFreighter.java:2: error: <identifier> expected
cargo=1500;
^
HumanBulkFreighter.java:3: error: <identifier> expected
size=200;
[Code] ....
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Aug 7, 2014
import java.io.*;
class addition {
public static void main(String[] args) {
int num1,num2,sum;
try {
DataInputStream x=new DatainputStream(system.in);
[Code] ,,,,,
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Jun 22, 2014
I have a problem with my code. It gives me the error I put as title:
backgroundA.setOnClickListener(new View.OnClickListener(){
public void onClick(View view){
if (j < 2){
int randomInt1 = random1.nextInt(Deck.length());
int drawableIDA = Deck.getResourceId(randomInt1, -1);
[Code] ....
This error is in the first line and I have also one in the last, where eclipse looking for a @ (O.o). Also I will insert the variable choice1.
final Button choice1 = (Button) findViewById(R.id.A);
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Sep 18, 2014
I am writing a short program to find the zodiac of a given birth date. I am checking to see if a calendar object falls between to other objects to see if the date falls within a certain zodiac sign. To accomplish this, I have the user enter a date, then that date is compared to dates taken from an array. The problem is sometimes the comparison doesnt seem to work work, giving the wrong zodiac. For example if I enter 03/28/1968, it finds Aries, as expected. However if I enter 03/20/1968, it returns Aries also, when it should return Pisces. Here is the sample code.
private static String determineSign(Date birthdate, String[][] zodiac) throws ParseException {
// TODO Auto-generated method stub
Date date = birthdate;
for (int row = 0; row < zodiac.length; row++)
{
DateFormat date3 = new SimpleDateFormat("MM/dd");
Calendar compDate3 = Calendar.getInstance();
[Code] .....
This is the class that creates the table used for the zodiac dates -
public class ZodiacTable {
static final int ROWS = 12;
static final int COLUMNS = 3;
//private ArrayList<String> zodiacNames;
private String[][] zodiacNames;
[Code] ....
I cant seem to see why it returns the wrong zodiac..
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Jun 22, 2014
I have a problem with my code. It gives me the error I put as title:
backgroundA.setOnClickListener(new View.OnClickListener(){
public void onClick(View view){
if (j < 2){
[Code]...
This error is in the first line and I have also one in the last, where eclipse looking for a @ (O.o). Also I will insert the variable choice1.
final Button choice1 = (Button) findViewById(R.id.A);
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Aug 6, 2014
I'm working through Head First Java, and I'm struggling with the chapter 6 magnet exercise on page 161. I've checked my answer countless times, and it appears to match the book's code, but when I try to run it on my computer I'm getting an error. It says:
error: <identifier> expected
System.out.println^(" "); and
error: illegal start of type
System.out.println(^" ");, both for line 32.
I cannot seem to figure out what is different about my code!!
import java.util.*;
public class ArrayListMagnet {
public static void main (String [] args) {
ArrayList<String> a = new ArrayList<String>();
a.add (0, "zero");
a.add(1, "one");
a.add(2, "two");
a.add(3, "three");
[Code] .....
Also, I'm not sure if this has anything to do with the above errors, but I'm getting a third error message for line 34 saying:
error: class, interface, or enum expected
}^.
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Aug 22, 2014
I am having problems with writing a simple program to see if a number is divisible by 6.
public void run() {
println("This program will display all numbers divisible by");
println(" 6 between 1 and 100.");
int x =1;
boolean divide =(x%6==0);
[Code] ....
It is telling that every number is not divisable by 6?
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May 9, 2015
Need to write two files but getting an expected exception error.
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.Scanner;
import java.io.FileWriter;
public class TestingPanel extends JPanel
[Code] ....
TestingPanel.java:49: error: unreported exception IOException; must be caught or declared to be thrown
FileWriter outputFileQuestions = new FileWriter("Test.txt");
^
TestingPanel.java:50: error: unreported exception IOException; must be caught or declared to be thrown
FileWriter outputFileAnswers = new FileWriter("Answers.txt");
[Code] ....
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Feb 20, 2015
When I run my program and choose option 2 to get contact details I am expecting it to display as follows (First Name, Last Name): Contacts how have been entered:
0) John Doe
1) George Smith
2) Nancy Davis
Please enter the number corresponding to the contact you would like to view:
Instead for a personal contact it is displaying as follows:Contacts who have been entered:
0) Doe 1 F St. (last name, address)
Please enter the number corresponding to the contact you would like to view:
Instead for a business contact it is displaying as follows:Contacts who have been entered:
0) 1 F St. jd@gmail.com (address, email)
Please enter the number corresponding to the contact you would like to view:
Then when I enter the number to display the contact for personal it is returning me only first name and business is only returning me first and last name. It should be returning the full contact info that was put in during the add contact step. I thought I programmed everything properly but it isn't displaying what I want to seeMy code is listed below.
ContactList
/*
* 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 contactlist;
import java.util.ArrayList;
import java.util.Scanner;
[code]....
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Apr 6, 2014
I'm getting an "identifier expected" error for the following code for comparing 2 wallets and printing each pair of banknotes. Here's the code.
public void printBankNotePairs(Wallet other)
{
StringBuffer myBuffer = new StringBuffer("Pairs: ");
for(int i = 0; i < count; i++)
{
for(int j = 0 + i; j < other.length; j++)
[Code] .....
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Apr 10, 2014
I am developing an application to share my client screen with server, it is working well on swing. But i want to develop as web application, i am trying to using applet. But i am facing the fallowing problem..,
1) The Applet screen also open and project also running well on server mechine. But unable to see the client screen on the server.
2) The problem may be to display the JDesktopPane or JInternalFrame.
My working Server Code extends withe JFrame..Java Code:
package remoteserver;
import java.awt.BorderLayout;
import java.awt.Container;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
import javax.swing.JApplet;
import javax.swing.JDesktopPane;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
[code]....
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Aug 29, 2014
Why in my program keys are not working, what I forgot to write?
import javax.swing.JFrame;
public class Main {
public static void main(String args[]) {
JFrame frame = new JFrame("Stickman");
frame.setDefaultCloseOperation(frame.EXIT_ON_CLOSE);
frame.setSize(450, 490);
[code]....
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Mar 5, 2014
I got my code into a jar, but when I run it I get his message:I just used Eclipse to make my jar and I thought I did it right but I guess not.
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Apr 24, 2014
I wrote a piece of code:
for(int i = 0; i < x; i++){
System.out.println("Enter students full name:");
sName[i] = result.fullName(sc.nextLine());
sExam[i] = result.examName("VB");
System.out.println("Enter students exam score:");
int scor = sc.nextInt();
sScore[i] = result.examScore(scor);
sGrade[i] = result.examGrade(scor);
}
When i run it i get:
Enter number of students:
1
Enter students full name:
Enter students exam score:
The problem is, i cant enter "full name", program is just jumping to the next step "exam score".
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Oct 9, 2014
I am working on a fairly simple program where I have a colour change three times using the red green blue spectrum. The problem is that I keep getting a result of zero no matter what I do.
import java.awt.*;
class RectangleMain
{
public static void main (String[] args) {
ColouredRectangle blocky = new ColouredRectangle(50, 100, 20, 40, Color.red);
System.out.println(blocky.getColour());
blocky.mixColour(Color.blue);
[code]...
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May 31, 2014
I'm programming a game, but the keyListener doesn't work. Here is the source code:
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
public class InputHandler implements KeyListener{
public InputHandler(Game game) {
game.addKeyListener(this);
[code]....
My Question is: Why will it not say "up", if I press "w"?
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May 5, 2014
I'm having a problem where an if statement isn't working. In the Person class boolean olderThan ignores my if statement so it always returns false and I just don't get why that's happening.
import java.util.Calendar;
public class Person {
private String name;
private MyDate birthday;
public Person(String name, int pp, int kk, int vv) {
this.name = name;
[code].....
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Feb 25, 2015
I have added a Simple Jar file in Eclipse Proect->BuildPath->jar file but class Inside that are not showing in My project this is my Project Structure and I have all ready checked in Order and Export..But jar file is not working.
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Sep 7, 2014
I am learning out design patterns and doing a little fun project on Model Control View (MCV). I got the concept down, it is pretty simple for the most part. However my buttons are not working.
Here is the code:
public class Controller
{
private Model model;
private View view;
Controller(Model model, View view) {
this.model = model;
this.view = view;
[code]....
It runs but nothing. My other questions is how can I make a box that will print the results.
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Apr 4, 2014
I need to find out if one array list is a sub-sequence of another. The elements in the first list all need to be in the second list and must be in the same order. So s1<n, t, a> is a sub-sequence of s2<q, n, f, r, t, d, a>, but s1<a, a, t> is not a sub-sequence of s2<a, t, a>. I need to use iterators to go through each list, and I should only go through each list once (since it has to be in the same order) so nested loops don't seem like they would work because it would start at the beginning of one list every time it moved to another element in the outer loop's list.I seem to have an issue where the itr1. next()
is ignored when in an if statement.
My current code just stalls and will never stop running. I've also switched things around and put the not equal check after the if it is equal and it throws a NoSuchElementException.
import dataStructures.*;
public class Subsequence3
{
public static void main(String[] args)
{
ArrayList<Character> s1 = new ArrayList<Character>();
s1.add('n');
s1.add('p');
s1.add('a');
[code]....
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