Hurricane Java Project - Unknown Format Conversion Exception
Mar 9, 2015
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)
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Dec 8, 2014
It doesn't work and I always get UnknownFormatConversionException...
public class studentPoll {
{
public static void main( String[]args)
{
int[] responses = { 1, 2 , 5, 4, 3 , 5, 2, 1 , 3, 3, 1, 4, 3, 3, 3,
2, 3, 3, 2, 14 };
[Code] .....
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Dec 2, 2014
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.
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Jul 27, 2014
I want to use the result of the conversion. Can i do that??
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
public class App2 extends Applet {
Label x,y,z;
TextField a,b,c;
Button p,q,r;
[Code] ....
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Aug 3, 2014
I want to convert a date which can be of any date formats into yyyy-mm-dd format...My code is below.
String[] date_formats = {
"MM/dd/yyyy",
"dd/MM/yyyy"
,"dd-MM-yyyy",
};
String dateReceived = "13/11/2012";
for (String formatString : date_formats){
[Code] .....
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Jun 6, 2013
I have a piece of code as below for date format conversion.
DateFormat formatter1 ;
DateFormat formatter2 ;
Date date = new Date();
formatter1 = new SimpleDateFormat("yyyy-mm-dd");
date = formatter1.parse("1952-12-10");
System.out.println("before format, date is " + date);
formatter2 = new SimpleDateFormat("dd-MMM-yy");
formatter2.format(date);
System.out.println("after format, date is " +formatter2.format(date));I would like to change 1952-12-10 become 10-DEC-52, h
However, I am getting below output:
before format, date is Thu Jan 10 00:12:00 MYT 1952
after format, date is 10-Jan-52
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Mar 6, 2014
Ok Im trying to create a code right now that will take a table of rectangular coordinates and convert them to Polar coordinates in the constructor. I will eventually calculate the total distance between all points in the calculateDistancePolar method but for now I am using it to test.
It doesnt like line 29 and 31 of the class Polar and I cannot figure out why.
public class Test {
public static void main(String[] args) {
double[][] coords = {{86.92, 2.47},{70.93, 27.81},{97.74, 34.36},{30.90, 35.14},{51.66, 31.70},{0.830, 21.77},{55.91, 66.62},{32.92, 75.23},{65.26, 72.53},{83.90, 4.710}};
System.out.println("X,Y Coordinates are:");
outputArray(coords);
Polar myTest = new Polar(coords);
[Code] .....
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Mar 21, 2014
I have a date in the following String format "2013-03-28,19:37:52.00+00:00" and post processing I am converting this to following String as per prevailing logic "2013-03-28,19:37:52.00+0000" (This is existing code and no changes have been Made here for last few years) And the using this SDFormat i.e new SimpleDateFormat("yyyy-MM-dd,HH:mm:ss.Sz") for conversion to Date Object
We are suddenly getting this exception now can't figured out what has changed ?
java.text.ParseException: Unparseable date: "2013-03-28,19:37:52.00+0000"
at java.text.DateFormat.parse(DateFormat.java:357)
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Sep 30, 2014
The problem I'm trying to resolve now is getting my ActionEvent to send the value input in the JTextArea out to be calculated, then to display the result in my result JLabel.
Here is an image of the GUI :
The basic procedure the teacher is asking for is the user is supposed to enter a temperature in the input. The user then clicks the input scale, and then on the output scale selection the converted value is to be displayed in the output area.
As I mentioned my problem is in the sending of the input value to my calculation area, and getting the value to display in the JLabel.
How should I approach this solution? Do I need to have a listener after the JTextArea of the input box? Will that allow me to limit the input values to numbers only?
final JTextArea inputText = new JTextArea("" + (char)176,1,4);
//ReadConsole equivalent to specific input was a number?
Here is the section of code my ActionListener is:
//celOut represents the Celcius output scale JRadioButton.
celOut.addActionListener (new ActionListener () {
@Override
public void actionPerformed(ActionEvent e) {
//if the Celcius Input Scale is selected.
if(cel.isSelected())
[Code] ....
All the calculations are required to occur in a separate java file, which what I think is tripping me up. How do I send a value from the JTextArea into the Calc.celToFahr method?
//contents of my Calc.java calculation class.
public class Calc {
public static double celToFahr(double cel){
return cel * (9./5.) + 32.;
}
public static double fahrToCel(double fahr){
return (fahr - 32.)*(5./9.);
}
}
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Dec 26, 2014
I have a requirement to convert 'unix time stamp' to 'Date time format'
Input (Unix time stamp) : 1426013480000
Output should show : 3/10/2015 2:51 PM EST (or) 10th March 2015 2:51PM EST
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Feb 17, 2014
The problem occurs at the second to last line of text in this code.
* 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 reversing_digits;
import java.util.Scanner;
public class Reversing_digits {
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
[Code] ....
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Apr 16, 2014
I am working on a program that will allow a user to input grades for a class of four students who have taken two tests. Based on the grades entered, the program will calculate the averages of the two tests for each student and display it along with their respected letter grades.
Now I can get the program to compile successfully, but after inputting the grades in, I get the error message saying that it cannot format given object as a number. I am using 4 arrays to execute this program and maybe that's why I'm having the trouble? I'm not sure because I am still fairly new at this stuff and can't sen to resolve it.
I was having problems for a while and then finally got excited when I got it to compile without any errors and now I'm getting an error inside my program. All I need to do is format the numbers of the grades into something like: 000, and each of the averages as 000.0. I understand how to do it because I have done it in another program I've done in the past. I just don't know how to fix this error that is coming up.
here is my code:
import java.util.Scanner;
import java.text.DecimalFormat;
public class TestAverage
{
/**
* A program that will store and process 2 test scores for a class of 4 students.
* The program will prompt for the test scores as shown above in the sample run.
* After all the data is entered,the program will display the score for test 1, test 2 .
* The average of the 2 tests and the letter grade for the class for each student in a tabular format.
*
*
[code]....
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Mar 8, 2014
This is the exception message I am getting when I run the program and I select a job from the check box and enter an hour amount.
import javax.swing.*;
import java.awt.*;
public class HourPanel extends JPanel {
private double hours;
String textField;
[Code] .....
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Feb 1, 2015
I'm getting a NumberFormatException while executing the below statements.
Calendar cal = Calendar.getInstance();
int year = cal.get(Calendar.YEAR);
int month = cal.get(Calendar.MONTH);
int day_of_month = 15;
long m_time = Long.parseLong((month + 1) + "/" + day_of_month + "/" + year);
and
long m_time = Long.parseLong(String.valueOf((month + 1) + "/" + day_of_month + "/" + year));
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Apr 7, 2014
I'm doing this project in JSP.net, with html. and in one of the web pages, what I'm doing is that, a person is transferring an amount to someone else, and if the transfer amount is more than the account balance, then he cannot transfer. else, save details in a table.
Here's the code I've used
<%
String t1=request.getParameter("text1");
String t2=request.getParameter("text2");
java.util.Date date1 = new java.util.Date();
SimpleDateFormat ft = new SimpleDateFormat ("dd/MM/yyyy");
int tamt = Integer.parseInt(t2);
int bamt = 0;
[Code] .....
But when i enter the fields and click the submit button in the form, to save it in the table, i get the error:
"org.apache.jasper.JasperException: java.lang.NumberFormatException: null"
(I've attached a screen shot of the error) : NumberFormatException.bmp (750.98K)
What does this mean? how do i find the line in the code that has the error?
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Feb 9, 2015
Everything is working great except for my back button at line 172. It works good but if I try to click the "insert" button again. It gives me the java.lang.NumberFormatException error. Other than that it works fine, the "insert" button still works.
package userDatabasePack;
import java.sql.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class Database{
//Variables
private String username2, insertUser, insertPassword;
private int insertUserId;
[Code] ....
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Feb 17, 2015
I'm a independent IT contractor. On 2 systems this week I've experienced an issue when attempting to download JAVA the file is of an unknown type in IE. See attached. Alternative browsers on the same machine function properly.
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Apr 12, 2014
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
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Jun 26, 2014
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?
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Oct 30, 2014
When I try to convert this value, "Testingu2120" (along with UTF coed u2120)comes as a string as part of SOAP response. I need to convert this UTF-8 characters in to a symbol, in this case it is SM (Service Mark) symbol and show it on the UI.
How can we achieve this in JAVA?
I have four different UTF-8 character set to convert.
TM - u2122
SM -u2120
R - u00AE
C - u00A9
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Jul 12, 2014
I am new to java. I have written a function in C#,how can i convert it into Java.
public AsymmetricKey readKey(String filename)
{
StreamReader reader = new StreamReader(filename);
String modulus64 = reader.readLine();
String exponent64 = reader.readLine();
byte[] modulusBytes = base64Decode(modulus64);
byte[] exponentBytes = base64Decode(exponent64);
BigInteger modulus = new BigInteger(modulusBytes);
BigInteger exponent = new BigInteger(exponentBytes);
AsymmetricKey key = new AsymmetricKey(modulus, exponent);
[code]....
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Apr 21, 2015
I'm having trouble getting the text entered in my JTextField to be converted to the conversion formula. The line I'm getting error in is:
String text = text.getText();
Also I created another JTextField in which I want the answer to be displayed in, but I'm not too sure how to go about that.
This is my attempt at it, but it doesn't work because it doesn't make sense;
result.setText1(Integer.toString(celsius));
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
public class TempConversion extends JFrame
{
private final JLabel ask;
private final JLabel result;
private final JTextField text;
private final JTextField text1;
[code]....
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May 27, 2014
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...
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Apr 23, 2015
I am trying to get the excel spreadsheet data and converting it in someway to java. I'm looking for something that will print out the java code itself that way I can embed it into future projects.
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Jul 1, 2014
How to convert to bpel file into java objects?
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Nov 20, 2014
I 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.
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