Java GC Tutorials - Herong's Tutorial Examples
This book is a collection of tutorial notes and sample codes written by the author while he was learning JVM GC (Garbage Collection) processes. Topics include Java Garbage Collectors, STW (Stop-The-World), Serial Collector, Parallel Collector, Concurrent Collector, G1 Collector, GC Algorithms, Gener... 2018-06-17, 253👍, 1💬
How Secure Is RSA Algorithm?
This section discusses the security of RSA public key encryption algorithm. RSA private key is not 100% secure. But if the private key uses larger value of n = p*q, it will take a very long time to crack the private key. 2017-11-10, 445👍, 2💬
"base64Binary" Datatype Values and Representations
This section describes the built-in primitive datatype, 'base64Binary' that represents binary data represented in Base64 encoding. Whitespaces are allowed and removed. 2017-11-08, 4990👍, 3💬
Building Your Own Web Browser
This section provides a tutorial example on how to use the saveWebArchive() method to save Web page content in WebView to Web archive files in the application's files folder. 2017-11-05, 589👍, 2💬
What Is DSA (Digital Signature Algorithm)?
This section describes the DSA (Digital Signature Algorithm) algorithm, which consists of 2 parts: generation of a pair of public key and private key; generation and verification of digital signature. 2017-10-29, 22676👍, 14💬
HelloServerWsdl.php - SOAP 1.2 Server Application in WSDL Mode
This section describes a tutorial example of a complete SOAP application with both server and client programs using SOAP 1.2 in WSDL mode. 2017-10-26, 8345👍, 11💬
SHA1 Message Digest Algorithm Overview
This section describes the SHA1 algorithm - a 6-step process of padding of '1000...', appending message length, preparing 80 process functions, preparing 80 constants, preparing 5 word buffers, processing input in 512 blocks. 2017-10-26, 10316👍, 6💬
Using SHA1 Message Digest in Java
This section provides a tutorial example on how to use SHA1 message digest algorithm in Java. The JDK JCE package offers the SHA1 algorithm through a generic message digest class, javax.security.MessageDigest. 2017-10-24, 13033👍, 7💬
Running Perl Scripts on Linux Systems
This section provides a tutorial example on how to run Perl scripts on Linux systems. To make a Perl script file executable, you need to add '#!/usr/bin/perl' to the beginning of the script. 2017-10-24, 13471👍, 15💬
XML Tutorials - Herong's Tutorial Examples
This free XML tutorial book is a collection of notes and sample codes written by the author while he was learning XML himself, an ideal tutorial guide for beginners. Topics include DOM, DTD, J2SDK, Java, SAX, Syntax, Templates, XML, XPath, XSD, XSL, XSLT, XSL-FO. 2017-10-15, 5595👍, 2💬
DES Algorithm Java Implementation
This chapter provides tutorial examples and notes about DES algorithm implementation in Java language. Topics include an example Java implementation of DES encryption and decryption algorithm; test cases of single block cleartext and ciphertext. 2017-10-15, 5795👍, 15💬
JSP Document - JSP Page in XML Format
This section describes the syntax of a JSP Document, which is a JSP page written in XML format. Tomcat 7 server can process both JSP Page format and JSP Document format. 2017-10-10, 104👍, 1💬
Meter Based on Earth's Meridian
This section introduces an old definition of 'meter' which uses the Paris meridian line. A 'meter' is about one ten-millionth of the length of a quadrant of the Paris meridian. 2017-10-08, 263👍, 2💬
GetSunSetRiseTime - Usage Description
This section describes the free Web service GetSunSetRiseTime provided by WebserviceX.NET. GetSunSetRiseTime allows you to retrieve sunrise and sunset times for any given location and date. 2017-10-08, 421👍, 4💬
Perl Tutorials - Herong's Tutorial Examples
This Perl tutorial book is a collection of notes and sample codes written by the author while he was learning Perl language himself. Topics include ActivePerl, data types, subroutines, debug, references, objects, open, binary, file, directory, DBM, MySQL, regular expression, RPC::XML, XML::Simple, S... 2017-10-06, 4789👍, 5💬
Using java.net.HttpURLConnection to Send SOAP Messages
This section describes steps to follow if you want to use the java.net.HttpURLConnection class to send out a SOAP XML message. 2017-10-01, 25969👍, 13💬
This section provides a tutorial example on how to write a sample program to create a SSL client soc...
This section provides a tutorial example on how to convert XML documents into pretty print format us...
This section describes the DER (Distinguished Encoding Rules) - A binary format of encoding a data v...
This section provides a list of supported character encodings supported in Java. The list is generat...
This section provides a tutorial example on how to install OpenSSL on a Windows system.