Issue with Float.parseFloat

Hi,
I tried the following code. Float.parseFloat("23d")does not throw an exception. The below code prints output as 23.0.
String s = new String ("23d");
try{
System.out.println(Float.parseFloat(s));
catch(Exception e){
System.out.println("not a number..");
How can I make Float.parseFloat("23d") throw an exception? Please help.
thanks.
roshni.

here the d determine that this is double variable.
so this is not give any exception.
if you use any other character then it throw the exception.

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Null pointer Exception with Float.parseFloat

I need to assign a float value from a database to a variable recurrently throughout a while loop. but i am getting a null pointer exception error:
while ( rs.next() )
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I've also tried:
float corr = Float.parseFloat( String request.getParameter("echo"));
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corr Float.parseFloat((String) request.getParameter("echo"));
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Any ideas Please!!!

Null pointer exception means that the value you are trying to turn into a Float is null. Probably request.getParameter("echo") returns null.
Is "echo" a request parameter, or a field you want to get from the database?
request.getParameter() has nothing to do with a database query.
That is your http request coming from the form submission. It won't change.
If "echo" is meant to be a request parameter, then make sure the parameter is actually present.
If its a database field (stored as a number) then
float corr = rs.getFloat("echo");
should do the trick.
Can the value be null in the database?
Cheers,
evnafets

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hi
i have an issue with float input in a textfield.
what i want to do is.
when the user start typing numerics it should accept from right hand side and keep appending value from right hand side.
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if i want to enter 123.45
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tf.addActionListener(new ActionListener() {
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try {
tf.normalize();
Long l = tf.getLongValue();
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import javax.swing.JTextField;
* Created on May 25, 2005
* TODO To change the template for this generated file go to
* Window - Preferences - Java - Code Style - Code Templates
* @author jagjeevanreddyg
* TODO To change the template for this generated type comment go to
* Window - Preferences - Java - Code Style - Code Templates
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.DecimalFormat;
import java.text.ParseException;
import java.text.ParsePosition;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.UIManager;
import javax.swing.text.AbstractDocument;
import javax.swing.text.AttributeSet;
import javax.swing.text.BadLocationException;
import javax.swing.text.Document;
import javax.swing.text.PlainDocument;
import javax.swing.text.AbstractDocument.Content;
public class DecimalFormateGen extends JTextField implements
NumericPlainDocument.InsertErrorListener {
     public DecimalFormateGen() {
     this(null, 0, null);
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     super(null, text, columns);
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     return ((NumericPlainDocument) getDocument()).getFormat();
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     return ((NumericPlainDocument) getDocument()).getDoubleValue();
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     System.out.println("Value is (Double)" + d);
     } catch (ParseException e2) {
     System.out.println(e2);
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     public NumericPlainDocument() {
     setFormat(null);
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     setFormat(format);
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     DecimalFormat format) {
     super(content);
     setFormat(format);
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     format
     .parseObject(content.getString(0, content.length()), parsePos);
     } catch (Exception e) {
     throw new IllegalArgumentException(
     "Initial content not a valid number");
     if (parsePos.getIndex() != content.length() - 1) {
     throw new IllegalArgumentException(
     "Initial content not a valid number");
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     this.format = fmt != null ? fmt : (DecimalFormat) defaultFormat.clone();
     decimalSeparator = format.getDecimalFormatSymbols()
     .getDecimalSeparator();
     groupingSeparator = format.getDecimalFormatSymbols()
     .getGroupingSeparator();
     positivePrefix = format.getPositivePrefix();
     positivePrefixLen = positivePrefix.length();
     negativePrefix = format.getNegativePrefix();
     negativePrefixLen = negativePrefix.length();
     positiveSuffix = format.getPositiveSuffix();
     positiveSuffixLen = positiveSuffix.length();
     negativeSuffix = format.getNegativeSuffix();
     negativeSuffixLen = negativeSuffix.length();
     public DecimalFormat getFormat() {
     return format;
     public Number getNumberValue() throws ParseException {
     try {
     String content = getText(0, getLength());
     parsePos.setIndex(0);
     Number result = format.parse(content, parsePos);
     if (parsePos.getIndex() != getLength()) {
     throw new ParseException("Not a valid number: " + content, 0);
     return result;
     } catch (BadLocationException e) {
     throw new ParseException("Not a valid number", 0);
     public Long getLongValue() throws ParseException {
     Number result = getNumberValue();
     if ((result instanceof Long) == false) {
     throw new ParseException("Not a valid long", 0);
     return (Long) result;
     public Double getDoubleValue() throws ParseException {
     Number result = getNumberValue();
     if ((result instanceof Long) == false
     && (result instanceof Double) == false) {
     throw new ParseException("Not a valid double", 0);
     if (result instanceof Long) {
     result = new Double(result.doubleValue());
     return (Double) result;
     public void insertString(int offset, String str, AttributeSet a)
     throws BadLocationException {
     if (str == null || str.length() == 0) {
     return;
     Content content = getContent();
     int length = content.length();
     int originalLength = length;
     parsePos.setIndex(0);
     // Create the result of inserting the new data,
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     String targetString = content.getString(0, offset) + str
     + content.getString(offset, length - offset - 1);
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     do {
     boolean gotPositive = targetString.startsWith(positivePrefix);
     boolean gotNegative = targetString.startsWith(negativePrefix);
     length = targetString.length();
     // If we have a valid prefix, the parse fails if the
     // suffix is not present and the error is reported
     // at index 0. So, we need to add the appropriate
     // suffix if it is not present at this point.
     if (gotPositive == true || gotNegative == true) {
     String suffix;
     int suffixLength;
     int prefixLength;
     if (gotPositive == true && gotNegative == true) {
     // This happens if one is the leading part of
     // the other - e.g. if one is "(" and the other "(("
     if (positivePrefixLen > negativePrefixLen) {
     gotNegative = false;
     } else {
     gotPositive = false;
     if (gotPositive == true) {
     suffix = positiveSuffix;
     suffixLength = positiveSuffixLen;
     prefixLength = positivePrefixLen;
     } else {
     // Must have the negative prefix
     suffix = negativeSuffix;
     suffixLength = negativeSuffixLen;
     prefixLength = negativePrefixLen;
     // If the string consists of the prefix alone,
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     if (length == prefixLength) {
     break;
     // We can't just add the suffix, because part of it
     // may already be there. For example, suppose the
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     // "$)". If the user has typed "(345$", then it is not
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     // should be added, in this case ")".
     if (targetString.endsWith(suffix) == false) {
     int i;
     for (i = suffixLength - 1; i > 0; i--) {
     if (targetString
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     targetString += suffix.substring(i);
     break;
     if (i == 0) {
     // None of the suffix was present
     targetString += suffix;
     length = targetString.length();
     format.parse(targetString, parsePos);
     int endIndex = parsePos.getIndex();
     if (endIndex == length) {
     break; // Number is acceptable
     // Parse ended early
     // Since incomplete numbers don't always parse, try
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     // First check for an incomplete positive prefix
     if (positivePrefixLen > 0 && endIndex < positivePrefixLen
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     && targetString.regionMatches(0, positivePrefix, 0, length)) {
     break; // Accept for now
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     if (negativePrefixLen > 0 && endIndex < negativePrefixLen
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     if (format.isParseIntegerOnly() == false
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     break;
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     if (errorListener == null) {
     errorListener = l;
     return;
     throw new IllegalArgumentException(
     "InsertErrorListener already registered");
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     if (errorListener == l) {
     errorListener = null;
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this is not working as desired pls help me.
can we use this code and get the desired result or is there any other way to do this.
it is very urgent for me pls help immediately
thanks in advance

Hi camickr
i learned how to format the code now, and u also responded for my testarea problem , iam very much thankful to u, and now i repeat the same problem what i have with a text field.
actually i have window with a textfield on it and while end user starts entering data in it , it should be have as follows
when the user start typing numerics it should accept from right hand side and keep appending value from right hand side.
first the default value should be as 0.00 and as the user starts entering
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if i want to enter 123.45
user starts entering
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i'm looking for people with problems on iphone 5 with 8.3 because i'm still on ios7 and considering to upgrade
but if you have problem with turning off the phone,
you can set up "assistive touch" from setting > general > accessibility > assistive touch (down the bottom)
you can also set this on the accessibility shortcut for the triple click on the home button to show/hide the assitive touch
you'll see a black circle floating on the screen somewhere. you can move this thing around if it blocks what you want to see/tap
now to turn off your phone you can tap the assistive touch button > device > tap and hold the 'lock screen' icon until the power off slider comes up.
so you don't really have to fix the lock button

Float.parseFloat

I am compiling my code with jdk 1.3 and getting this error when I compile:
Error: cannot resolve symbol: method parseFloat (java.lang.String) in class java.lang.Float
My class path:
.;C:\jdk13\lib\;C:\jdk13\lib\tools.jar;C:\jdk13\lib\dt.jar;C:\jdk13\jre\lib\rt.jar;C:\jdk13\jre\lib\i18n.jar
And here is my method...
public void setGrandTotal(String f){
this.grandTotal=Float.parseFloat(f.trim());
Can some one tell me why can not resolve parseFloat
Thank you

When I compile your method in isolation, it compiles fine. Have you checked for syntax errors above it in the code? Does the code compile clean if you comment out that method?
Normally you do not need to specify the java libraries in your classpath. Have you tried compiling with "javac -classpath . file" ?

Stack Bar with floating series, invisible or transparent series

In Excel, I have several stack bar diagrams that have invisible, hidden series that make the remaining visible series appear to be floating. What is the best way to do this in Xcelsius. The only solution I have found is to use the "iTheme" theme, and make the invisible series the same color as the Plot Area. Is there another method or theme?
I am not a fan of the "iTheme". I have experiemented with other themes, but other themes' texture, gradient makes it impossible to fully hide the invisible series.
Is there another theme out there with a "flat", no gradient feel, with no shadow, or series border (or a series border you can control)?

hello Ultim4t3, maybe that's an issue with hardware acceleration - please try [[Upgrade your graphics drivers to use hardware acceleration and WebGL|updating your graphics driver]] or in case there is no new version available at the moment or this doesn't solve the issue, disable hardware acceleration in the firefox ''menu ≡ > options > advanced > general'' (that setting will take a restart of the browser to take effect).

I'm having some issues with Edit in Audition

This past week my friends and I shot my friend's final film project. We recorded external audio at 192000 Hz, 12288kbps, 32-bit float. I synced up all the audio and sent the project to my friend. When he used Edit in Audition so that he can mix and clean up the audio, it had been exported at 8000 Hz, 512kbp, 32-bit float and everything sounds muffled. I'm more familier with Premiere then he is, so I tried, and I had the same results.
I know Audition can import and export that kind of audio so I'm assume it's a problem on the Premiere end. Is there any settings that I'm missing or is it impossible for Premiere to extract at that quality? Even if it's the latter, is there a way it can be set to extract at higher than 8000 Hz at 512kbps?

From what I can tell, it's a problem with Premiere exporting, not Audition importing though. I have the 192000 Hz, 32 bit files working just fine in the Premiere timeline so it doesn't appear to have to much of an issue with editing it, it just exports it at a much lower quality when sending it to Audition
It seems like the only way I can keep that audio quality is to sync sound in Audition and that's not ideal for me.

CS3 issue with ProRes files with projects over 8bpc

Strange issue with ProRes clips I have had in AE projects in the past. Running CS3 on an Intel Mac with 10.5.8. If I bring an SD clip encoded in ProRes and I have the project set to anything over 8bit (16 or float) the clip just turns to noise, both in a comp and in the project viewer window. I can open the clip in AE (double click) and it appears just fine, same with just opening from the desktop. HD clips encoded into ProRes don't have any issue. The strange thing is that I have had some of this material in past projects with no problem. Nothing has really changed on this box since this cropped up. I've trashed prefs and resaved interpretation rules file, with no success. I also stripped out QT components to make sure I was not having a codec conflict. Has anyone run into something similar?
I have a very similar set up at home and I am not having any issue with these same files.

Todd,
I do not. I did see a post of yours earlier regarding CS5 and AJA. Other issues I should look for?

Issue with comparator

Hello All,
I am having a warning issue with my code. I am trying top implement the comparator into my code. Here is the warning..
EarthquakeDataSet.java:88: warning: [unchecked] unchecked call to compare(T,T) as a member of the raw type java.util.Comparator
               if (c.compare(array[low], array[start_high]) == 1)
The appropriate code line is:
if (c.compare(array[low], array[start_high]) == 1) Basically I have Class A, Class B and private static Class C (inner class to B). I have mergesort in A, so in B i have a public method that returns an object instance of C.
A: import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;
import java.util.Comparator;
import javax.swing.JOptionPane;
public class EarthquakeDataSet
     private int nNumRecordsProcessed; // tracks number of records actually stored in array container
     private EarthquakeRecord[] reqrCollection; // reference to array which will be allocated when processing the file
     public EarthquakeDataSet() {
     public long ProcessFile(String sFileName) throws Exception {
          Scanner scanInput = null;
          // use a try-block when opening the file to guard against file-not-found errors
          try {
               scanInput = new Scanner(new File(sFileName));
          } catch (FileNotFoundException e) {
               throw new Exception("Error opening file:" + sFileName);
          int nMaxNumRecords = Integer.parseInt(JOptionPane.showInputDialog("Maximum Number of Records: "));
          nNumRecordsProcessed = 0; // nNumRecordsProcessed may be less then nMaxNumRecords if the array is larger than needed
          long lStartTime = System.currentTimeMillis();
          reqrCollection = new EarthquakeRecord[nMaxNumRecords];
          try {
               while (nNumRecordsProcessed < nMaxNumRecords && scanInput.hasNext()) {
                    String sRawRecord = scanInput.nextLine();
                    reqrCollection[nNumRecordsProcessed] = new EarthquakeRecord(sRawRecord);
                    //System.out.println("test " + reqrCollection[nNumRecordsProcessed].toString() +"\n");
                    nNumRecordsProcessed++;
          } catch (Exception e) {
               throw new Exception("Input failure at record: " + nNumRecordsProcessed);
          //Comparator c;
          //EarthquakeRecord.CreateDepthObject();
          Comparator c = EarthquakeRecord.CreateDepthObject();
          mergeSort_srt(reqrCollection, 0, 50, c);
          for(int j = 0; j < 50; j++)
               System.out.println("test11 " + reqrCollection[j].toString());
          return System.currentTimeMillis() - lStartTime; // calculate the elapse time
     public String toString() {
          return "Number of Records: " + nNumRecordsProcessed;
     public void mergeSort_srt(EarthquakeRecord array[],int lo, int n, Comparator c)
              int low = lo;
              int high = n;
              if (low >= high)
                     return;
          c = EarthquakeRecord.CreateDepthObject();
              int middle = (low + high) / 2;
              mergeSort_srt(array, low, middle, c);
             mergeSort_srt(array, middle + 1, high, c);
              int end_low = middle;
              int start_high = middle + 1;
          System.out.println(c.toString());
              while ((lo <= end_low) && (start_high <= high))
                     if (c.compare(array[low], array[start_high]) == 1)
                       low++;
               else
                       EarthquakeRecord Temp = array[start_high];
                       for (int k = start_high- 1; k >= low; k--)
                            array[k+1] = array[k];
                    array[low] = Temp;
                          low++;
                          end_low++;
                          start_high++;
          reqrCollection = array;
}B has following method...
public static CompareDepth CreateDepthObject()
          CompareDepth cd2 = new CompareDepth();
          return cd2;
     }and C private static class CompareDepth implements Comparator <EarthquakeRecord>
          public int compare(EarthquakeRecord erq1, EarthquakeRecord erq2)
               if(erq1.getDepth() < erq2.getDepth())
                    return 1;
               else if(erq1.getEpicentre() > erq2.getEpicentre())
                    return -1;
               else return 0;
     }I know I have a problem setting and passing the reference to the comparator that I want. Ne ideas ??

tanmay.kansara wrote:
hey
here is my main
public class EarthquakeTest {
     public static void main(String[] args) {
          EarthquakeDataSet eqds = new EarthquakeDataSet(); // create object that will manage the collection of EarthquakeRecord objects
          try {
               String sFileName = JOptionPane.showInputDialog("Filename: "); // prompt user for file name
               long lElapseTime = eqds.ProcessFile(sFileName);// open file and parse all data into EarthquakeRecord objects
               System.out.printf("File Processing: Elapsed time: %f \n", ((float)lElapseTime)/1000.0);
          } catch (Exception e) {
               System.out.println("File not found.");
}I do have two pop up boxes that pop up, first one for Filename and second one for number of Entries to sort...
thanks
tanmayRighto... I think I can post my main method without being accused of "spoon feeding" you...
[again, this code is not compiled, and obviously not tested]
public class EarthquakeTest
private static final long NANOS = 1000000000L; // 10^9
public static void main(String[] args) {
    try {
      String filename = JOptionPane.showInputDialog("Filename: ");
      if (filename==null) return; // user pressed cancel.
      long start = System.nanoTime();
      EarthquakeManager manager = new EarthquakeManager();
      manager.loadFile(filename);
      manager.sort(new EarthquakeManager.MagnitudeComparator());
      manager.print(System.out);
      long stop = System.nanoTime();
      System.err.println("took "+((stop-start)/NANOS));
    } catch (Exception e) {
      e.printStackTrace();
}The main method says what is happening, but not how... We get a manager, load a user-specified file into the list of quakes, sort, and then print-oput the list... and we're also saying how long the load and sort process took. All good.
Cheers. Keith.

Issues with Creative Cloud for teams deployment workflow

The Adobe Creative Cloud for teams IT Deployment Guide lists out steps for IT admins to deploy the CS6 applications and then have their end-users license the trial software with their Adobe IDs once they have been invited to the team. There are two major issues with this document.
First, the media that is on the FTP is not for North American English. We are working to get that posted on the FTP site ASAP. In the meantime, you can find the CS6 MC media from: http://www.adobe.com/downloads/
[Note: Getting media from that page requires the use of the Adobe Download Assistant which is very consumer focused. Sorry about that.]
Second, in order to have the ability to login properly with a Creative Cloud for Teams account the system needs to have the latest copy of Adobe Application Manager installed. If you do not do this step the end user will be prompted for a serial number.
Unfortunately the Adobe Application Manager can’t be packaged with AAMEE nor is it a native installer. I know, I know! Here are the links to the Adobe Application Manager installers:
Windows: http://www.adobe.com/support/downloads/detail.jsp?ftpID=4773
Mac: http://www.adobe.com/support/downloads/detail.jsp?ftpID=4774
It can be installed from command line by:
Win: <Path to Setup.exe>Set-up.exe –mode=silent –action=install
Mac: <path to ASU> /ASU/Install.app/Contents/MacOS/Install –mode=silent –action=install
Jody Rodgers | Sr. Product Manager | Creative Cloud for Enterprise | Adobe Systems

Hi Boncker,
I see that you have an active Subscription under your account . Please launch any of the installed product and when you get the trial prompt , please click on License this software and then Enter the Adobe Id & Password for the account that you have accepted the invite .
Please do let us know if that worked for you or not .
Cheers,
Kartikay Sharma

Issue with Float.parseFloat

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