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ShellSort 1.4 (Downloads: 230)
ShellSort is a simple sort suitable for 2000 or less elements. ShellSort is a simple sort suitable for 2000 or less
elements. It sorts using a comparision routine you provide
to compare two elements to be sorted.
You can test it with:
java.exe com.mindprod.shellsort.TestShellSort...
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CreditCard Validator 1.8 (Downloads: 403)
Verifies that credit card number is valid. The CreditCard Validator will help you tell:
1. if a credit card number is valid,
2. which credit card vendor handles that number.
It is a simple Applet to demonstrate the use of the ValidateCreditCard class.
It validates the prefix and the checkdigit. It does *not* contact the credit card company to ensure that number has actually been issued and that the account is in good standing.
It will also tell you which of ...
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Encodings 1.6 (Downloads: 249)
Applet to list all supported encodings (character sets) supported by Java. Applet to list all supported encodings (character sets)
supported by your browser/java.
To install, Extract the zip download with WinZip,
(or similar unzip utility) into
any directory you please, often C:\ -- ticking off the (user
folder names) option. To run as an application, type:
java -jar C:\com\mindprod\encodings\encodings.jar
adjusting as necessary to account for where the jar file is....
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Password 1.7 (Downloads: 551)
Generates random passwords that are hard to guess. Generates random passwords that are hard to guess. It uses a crytographic quality random number generator. The passwords are generated locally in a Java Applet. They are never transmitted over the Internet, even in encrypted form.
You can also run it as a standalone program, invoking it with
java com.mindprod.password.Password
or
password.jar
You can also run it online at the mindprod.com website without installing it....
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Insult 1.9 (Downloads: 333)
Generates insults typical of those posted by Republicans in newsgroups. Generates insults typical of those posted by Republicans in
the alt.politics.bush newsgroup.
Java Applet that can also be run as an application.
You can run it without installing it at
mindprod.com/applet/insult.html
To install, Extract the zip download with WinZip, (or similar unzip utility) into
any directory you please, often C:\ -- ticking off the (user
folder names) option. To run as an application,...
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Holiday Calculatior 4.7 (Downloads: 738)
Calculate when 66 holidays occur in any given year. Calculates when various holidays occur in any given year BC or AD.
Designed to be cannibalised to include the calculation routines in your
own programs. You might use it to prepare paper calenders well in
advance or electronic calendars. You might also use the logic in computer
programs that compute payrolls, bus schedules, or club meetings. You
might use it in writing novels or researching historical events. It can
als...
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Sound 1.4 (Downloads: 249)
Create/synthesize sounds mathematically in Java. Sound lets you mathematically create sounds in Java.
You define your sounds in terms of 16-bit linear code for
the waveform, -- an array of samplings. The U_Law.class will
then convert that to (or from) *.AU mu-law 8-bit encoding
format which you can then play with
AudioPlayer.player.start(bis) in an application or with
Applet.getAudioClip in an Applet.
This is just a sample program. You would insert your own m...
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Wavelength 1.3 (Downloads: 267)
Wavelength creates Color objects given the light wavelength or the frequency Wavelength creates Color objects given the wavelength or
the frequency of the light rather than the usual RGB or HSB.
instead of:
Color c = new Color(255, 0, 0);
use the frequency in nanometers, and gamma 0.0. .. 1.0.
(gamma is intensity/brightness.)
Color c = Wavelength.wvColor( 400.0f, 0.80f );
The visible range of the spectrum is 380..780 nanometers.
Smaller is bluer.
or using frequency in Terahe...
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Wassup 2.5 (Downloads: 468)
Wassup let's you know what's up with your Java environment. Wassup let's you know what's up with your Java environment.
It will tell you the System Properties, as many as the
Security system will let you peek at. This includes such
things as which JVM is running, which version of Java, which
vendor. It may be run as either an Applet or an application.
When you run Wassup as an application it shows you
considerably more information. The Java sandbox considers it
a security risk to rev...
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TimeZones 1.9 (Downloads: 220)
Displays all the TimeZone on your machine supported by Java Displays all the TimeZoneon your machine supported by
Java, with their standard time and daylight saving time
offsets from GMT, along with the their ID (programmer) names
and display names. It also displays UTC time, local time, and
your default TimeZone and whether daylight savings is
currently in effect....
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CMOSSave 4.6 (Downloads: 338)
Check CMOS for corruption and automatically restore it. CMOSSave CMOSRest CMOSChk restore corrupted CMOS from
backup and check that CMOS has not been tampered with.
Naive users sometimes meddle with CMOS settings. We need a
fast way to put the scores of subtle CMOS configuration
settings back the way they were.
Power surges can corrupt CMOS. We need a way for a naive
user to quickly restore all the CMOS settings.
If the battery fails, the contents will be los...
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JDisplay 4.5 (Downloads: 419)
JDisplay displays colorised program listings in web pages. JDisplay displays Java, HTML, bat, SQL, ini, csv, xml, mft
properties... files a variety of colours, fonts, sizes
and weights to help make them more presentable and readable.
Why would you use it? For the same sorts of reasons you use
colours and fonts in an IDE like IntelliJ or Eclipse. They
make the code much easier to understand.
There is no server-side code used. Java utilities parse the
code snippets i...
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Base64 1.9 (Downloads: 301)
Java classes to encode/decode Base64 and Base64u Base64 is a freeware way of encoding 8-bit characters using
only ASCII printable characters similar to UUENCODE.
UUENCODE embeds a filename where BASE64 does not. You will
see BASE64 used in encoding digital certificates, in
encoding user:password string in an Authorization: header
for HTTP. The spec is described in RFC 2045.
Don't confuse Base64 with x-www-form-urlencoded which
is handled by java.net.URLEncoder.encod...
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Primes 1.4 (Downloads: 477)
calculates the prime numbers 1..N, tells you if N is prime etc. calculates the prime numbers 1..N, tells you if N is prime etc.
Prints tables of primes.
Computes the prime just below or above N.
It is useful in computing optimal Hashtable sizes.
Java source included....
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Masker 1.9 (Downloads: 291)
Hides email addresses from spammers as PNG image files. Produces PNG files (image files similar to GIFs, but
smaller) that contain your email address. When you post them
on your website, it is harder for spammer to harvest them.
You can include the generated image files in the HTML on
your website with: code like this:
[a href="../image/mailto/roedy.png"]email me[/a]
(pretend [] are angle brackets)
or
[mg src="image/mailto/r...
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Screws 1.3 (Downloads: 241)
CMP Screws and Screwdrivers draws eight types of screw heads. CMP Screws and Screwdrivers draws eight types of screw
heads. It is a teaching example for how to use Java Canvas,
fillRect, fillOval, fillPoly and AffineTransform to draw.
Java source is included for you to cannibalise.
It draws 8 types of screw heads.
To run as an application, type:
java -jar C:\com\mindprod\screws\screws.jar
adjusting as necessary to account for where the jar file is....
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BOOTSave 2.8 (Downloads: 282)
BootSave saves/restores the master boot sector BootSave saves/restores the master boot sector on the
hard disk. Suite of three utilities BootSave, BootRest and
BootChk. Protects against damage to the partition table or
boot sector done by rogue programs, viruses or accidents
with tools like Norton NU.
The BootSave suite will work under DOS, Windows 3.x, Windows
95/98/ME, OS/2, but not NT, Windows 2000, XP, Vista or Windows 7.
These OSes block low level disk I/O as...
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