Re: Discrepancy in current hour

Rhino <>
Sat, 20 Mar 2010 21:21:31 +0000 (UTC)
Lew <> wrote in news:ho35l0$j7k$

Rhino said :

How do I get the Java routines to get the right time WHILE STILL

Lew wrote:

Provide an SSCCE!

Rhino wrote:

You're kidding, right? If not, how do I provide an SSCCE of what the
clock on my PC is doing?

No, I mean of the Java code, duh.

I don't appreciate the "duh". I'm not an idiot but I'm not a psychic
either. I didn't understand what you meant.

I don't think there's anything wrong with the date routines themselves
since they've been working fine for ages. But I did post them in the
original question.

I could do some screen shots, assuming I can think of some place to
put them where you can see it but short of that, I don't know how to
honour your request.....

By honoring the actual request.

Obviously, any SSCCE isn't going to show you the screens that come up
when I click on the Windows clock so this example only shows you the Java
code that I am running to display the current time.

import java.util.Calendar;
import java.util.GregorianCalendar;

public class TestHour {

public static void main(String[] args) {

    new TestHour();

public TestHour() {

    System.out.println("The current hour on the 12 hour clock is: " +
getCurrentHour12HourClock() + ".");
    System.out.println("The current hour on the 24 hour clock is: " +
getCurrentHour24HourClock() + ".");
    System.out.println("The current time is: " + getCurrentTime() +

public int getCurrentHour12HourClock() {

    GregorianCalendar now = new GregorianCalendar();
    return now.get(Calendar.HOUR);

public int getCurrentHour24HourClock() {

    GregorianCalendar now = new GregorianCalendar();
    return now.get(Calendar.HOUR_OF_DAY);

public String getCurrentTime() {

   GregorianCalendar now = new GregorianCalendar();
   int intCurrentHour = now.get(Calendar.HOUR_OF_DAY);
   int intCurrentMinute = now.get(Calendar.MINUTE);
   int intCurrentSecond = now.get(Calendar.SECOND);

   String strCurrentHour = pad(intCurrentHour, '0', 'L', 2);
   String strCurrentMinute = pad(intCurrentMinute, '0', 'L', 2);
   String strCurrentSecond = pad(intCurrentSecond, '0', 'L', 2);

   return strCurrentHour + ":" + strCurrentMinute + ":" +

public String pad(long input, char padChar, char padPosition, int
finalLength) {

   String strInput = String.valueOf(input);

   if (padPosition != 'L' & padPosition != 'l' & padPosition != 'T'
                & padPosition != 't') {
     throw new IllegalArgumentException("Type of padding must be 'L',
'l', 'T', or 't'.");

   if (finalLength < strInput.length()) {
            throw new IllegalArgumentException("The value you are
padding is already longer than the final length you want.");

   int numPadChars = finalLength - strInput.length();
   StringBuffer strbuffPaddedString = new StringBuffer();
   if (padPosition == 'L' | padPosition == 'l') {
        for (int ix = 0; ix < numPadChars; ix++)
   } else {
       for (int ix = 0; ix < numPadChars; ix++)

    return (strbuffPaddedString.toString());



This is the output I got when I ran the SSCCE a few moments ago (at 5:11

The current hour on the 12 hour clock is: 6.
The current hour on the 24 hour clock is: 18.
The current time is: 18:11:39.

Do you agree that the Java code should give me the correct hour?

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