Create 3 JLabel For Option / Square And Direction

Apr 30, 2015

I have to create 3 JLabel for Option, Square and Direction. Well, I did but its not in the right place. It should be in the right Panel but i did change the code so its in panelRight1 but its still not changing? Its somehow not working and no matter how i try to change the position of it, it doesnt change at all.

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class CBallMaze extends JFrame implements ActionListener
{
/**
*
*/
private JMenu[] menu = {

[Code] .....

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How To Create New Customer Object Each Time User Chooses 1 As Option

Feb 17, 2015

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;

public class App {
public static void main(String[] args) throws IOException {
Scanner keyboard = new Scanner(System.in);
System.out.println("Please Select an option > ");

[Code] .....

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May 10, 2015

I have to create a square matrix that has a min and max value as well as a size value which is given a integer value in the main method. The matrix has to be filled with random values. Also I have to add that matrix to another one in an addMatrix method and I have to subtract both in a subMatrix method. These are the requirements:

Methods:
Constructor() - receives the row and col size for myMatrix and a max and min values for range of random fill values for the matrix.
RandFill() - fills matrices with random numbers
addMatrix() - receives a matrix object. adds its myMatrix with the received object's myMatrix. The result is placed in this object's myResultMatrix.
subMatrix() - subtracts both matrices

I typed up this code but I'm not sure about some parts of it and I would creating min and max values in the Random method and in the main printing the separate 2 matrices and adding and subtracting them:

import java.util.*;
public class SquareMatrix2 {
public int size;
public int myMatrix [][];
public int myResultMatrix;
public int [][] ResultStatus;

[Code] ....

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JPanel Class Won't Create JLabel

Jun 1, 2014

So I am making a JPanel with two JLabels and it isn't working right.

import java.awt.*;
import javax.swing.*;
public class IntroPanel extends JPanel
{
public IntroPanel() {
setBackground(Color.green);

[Code] ....

For some reason

JLabel 11 = new JLabel("Layout Manger Demonstration");
JLabel 12 = new JLabel ("Choose a tab to see an example of a layout manger.");

add(11);
add(12);

is not registering the JLabel or add functions.

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Dec 17, 2014

I am trying to create two arrays containing JLabels i am really stuck here and i am unable to move on .

[code]
public class display extends javax.swing.JFrame implements Runnable {

/**
* Creates new form display
*/
String[] images = {"1", "2", "3", "4", "5", "6"};
JLabel[] lblArrayComp = {displayC1, displayC2, displayC3, displayC4, displayC5};
JLabel[] lblArrayPalyer = {displayP1, displayP2, displayP3, displayP4, displayP5};

display player = new display();
display computer = new display();

[Code] ....

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Aug 31, 2014

I'm trying to create a cursor for a game that moves square by square. While it will move to the next square, though, it leaves the image of the previous cursor on the last square it was on.

As a visual explanation, this is what the program looks like on launch:

This is what it's suppose to look like after you press the right arrow key once (made by forcibly changing launch coordinates):

And this is what it actually looks like after you press the right arrow key once:

Here is the code for the program:

package cursortest;
import javax.swing.*;
import java.awt.*;
import javax.imageio.*;
import java.io.*;
import java.awt.event.*;
public class CursorTest extends JPanel implements KeyListener{

[Code] ......

I'm fully aware that I could just use g.clearRect on the area and remove it for sure, but I know for a fact I shouldn't have to as I have another program I made a long time ago that tried to do something similar without needing to resort to that.

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Feb 20, 2014

How would I compare the square of the square root of any number. The difference in these values is due to the rounding error in Java.

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Round off error: -4.440892

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List Iterator Execution - Traversing In Forward Direction

Nov 5, 2014

List<Integer> list = new ArrayList<Integer>();
for (int i = 0; i < 5; i++) {
list.add(i * 3);
}
ListIterator<Integer> listItr = list.listIterator();
System.out.println("Traversing in a forward direction");

[Code] ....

Output:--

Traversing in a forward direction
0 3 6 9 12
Traversing in a backward direction
12 9 6 3 0 425

Why 425 is not showing when we are traversing in a forward direction.

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Cannot switch on a value of type Object. Only convertible int values, strings or enum variables are permitted

I'm trying to hide and option using switch statement but this is the error i receive.

public void actionPerformed(ActionEvent e)
{
if(e.getSource() == comboDest1)
{
switch(comboDest1.getSelectedItem())

[Code] .....

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Jul 24, 2014

I'm trying to hide a JComboBox option depending if the a user has picked a certain option from a previous JComboBox.

.setVisible(false). doesn't work

String[] Dest = new String[] {"Select Destination","Crete", "Paris", "Croatia"};
String[] Accomodation = new String[] {"Select your Accomodation","Hotel", "Villa", "Bed & Breakfast","Youth Hostel"};
String[] Night = new String[] {" Select number of Nights", "7","10","14"};
final JComboBox<String> comboDest1 = new JComboBox<String>(Dest);

[Code] ....

I know setVisible isn't the way it's done but i don't know how to do it

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Nov 19, 2014

This code works perfectly except for option C and E. Why it just returns me to the main menu?

public class BasicStatisticsCalculator {
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static int[] numbers=new int[NUMBER_OF_ELEMENTS];

[code]....

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import java.util.*;
public class VS
{
public static void main(String[] args) {
Scanner Input = new Scanner(System.in);
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<tbody>
<c:forEach items="${users}" var="user">
<tr>
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</tr>
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Here is my current form below form method

="POST" action='UserController?action=edit&albumId=${album.albumId}' name="frmAddAlbum">
<label for="album id">Format : </label>
<select name="action" selected=<c:out value="${album.format}" /> >
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[code]....

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Implement a printer driver that handles incoming print jobs. The driver will behave in the following manner:

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Dec 12, 2014

public static void main(String[] args) {
String[] images = new String[5];
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images[1] = "M.png";
images[2] = "H.png";
images[3] = "D.png";
images[4] = "S.png";

[code]....

There is my code so far, on the line JOptionPane.showInputDialog(null, "Give us a word starting with "+text[i]+":", "tut", 2, image, ?, null);, eclipse gave me 2 extra arguments following the icon and I'm not sure what exactly goes into the 2nd to last, the "selectionValues" argument.

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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:

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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:

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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:

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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 23, 2015

I'm having another issue. I have 2 java source files(see below). They are place in the same directory. How do I compile them using classpath?

I have already tried 1st attempt :

javac -cp com.companyname.interview.DuplicateReplace.java DuplicateReplaceTest.java [did not work!]
2nd attempt: javac -cp DuplicateReplace.java DuplicateReplaceTest.java [again, did not work!]
package com.companyname.interview;
public class DuplicateReplace { /* code */}

[Code] ....

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Aug 11, 2014

This is what I have so far, but how do I ask the user for the number or rows and give the user the option to repeat the program?

public class Pyramid {
public static void main(String[] args) {
int myLevel;
int i, j , k;
myLevel = 6;
for (i = 1; i <= myLevel; i++) {

[Code] ....

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Nov 25, 2014

I'm having a small issue with my output on my code. here is what my output is: The magic value for your square is 34, which means that every row, column and diagonal of your square must add up to that number.

Please enter the 4 values for row 0, separated by spaces: 1 2 15 16
Please enter the 4 values for row 1, separated by spaces: 13 14 3 4
Please enter the 4 values for row 2, separated by spaces: 12 7 10 5
Please enter the 4 values for row 3, separated by spaces: 8 11 6 9
Checking square for problems:
DIAG: VALID
ROWS: VALID
COLS: VALID
RANG: VALID
MAGIC: No

MAGIC should be YES. However i keep getting it saying no.This is the correct output..The magic value for your square is 34, which means that every row, column and diagonal of your square must add up to that number.

Please enter the 4 values for row 0, separated by spaces: 1 2 15 16
Please enter the 4 values for row 1, separated by spaces: 13 14 3 4
Please enter the 4 values for row 2, separated by spaces: 12 7 10 5
Please enter the 4 values for row 3, separated by spaces: 8 11 6 9

Checking square for problems:
DIAG: VALID
ROWS: VALID
COLS: VALID
RANG: VALID
MAGIC: YES

Here is my code..

import java.util.Scanner;
public class pdonahue_Magic {
public static void main(String args[]) {
int[][] theSquare = new int[4][4];
Scanner s = new Scanner(System.in);
System.out.println.

("The magic value for your square is 34, which means that every row, column and diagonal of your square must add up to that number.");

System.out.print("Please enter the 4 values for row 0, separated by spaces: ");
theSquare[0][0] = s.nextInt();
theSquare[1][0] = s.nextInt();
theSquare[2][0] = s.nextInt();
theSquare[3][0] = s.nextInt();

[code]....

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