Android ASP Astrology Big5 Bitcoin Blowfish Built-in C# Calendar CD-DVD Cheminformatics Chinese Cryptography DES Email Encoding Ethereum Flash GB2312 General H Herong History HTML Java JavaScript JDBC JSP JVM Linux Molecule Movie Music MySQL Neural Network Perl PHP Physics PKI Publication Python REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO

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JDK Documentation Installation
This section describes how to install JDK Documentation on your own local machine. 2022-10-01, ∼854🔥, 0💬

"jar --module-version" - Updating Module Version in JAR
This section provides a tutorial example on how to use 'jar --update --module-version' to update the version number of the Java module stored in a module JAR file. 2022-10-01, ∼850🔥, 0💬

Floating-Point Data Types
This section describes value ranges and storage space sizes of floating-point data types: float and double. 2016-02-15, ∼842🔥, 5💬

💬 2016-02-15 Herong: To Merit Campus, I have to remove links. Advertisement is not allowed in comments

💬 2016-02-15 Merit Campus: You can clear many of your doubts regarding data types in Core Java through Merit Campus, visit: [URL removed]. Not only data ty...

💬 2015-10-31 Herong: Page updated now. Thanks again, Raj.

💬 2015-10-24 Herong: Raj, good catch. It will be corrected later.

💬 2015-10-23 raj: Chief, second point should be "double" but it says "float"

jimage - JIMAGE File Tool Command
This section describes what is 'jimage' (Java JIMAGE Tool) - is a command line tool to view and extract JIMAGE files. 2022-10-01, ∼840🔥, 0💬

jrunscript - What Is It
This section describes what is 'jrunscript' - a command line tool that allows you to run script code that in interactive or batch mode. 2022-10-01, ∼836🔥, 0💬

META-INF/MANIFEST.MF - JAR Manifest File
This section describes the JAR manifest file, META-INF/MANIFEST.MF, which contains information about the JAR file and its contents. 2022-10-01, ∼820🔥, 0💬

Archived: JDK 1.6 keytool - keystore File Tool
This section describes all commands supported in JDK 1.6 'keytool' tool to manage certificates stored in 'keystore' files. 2022-10-01, ∼820🔥, 0💬

"keytool -genkeypair" - Generating Keys and Self-Signed Certificates
This section provides a tutorial example on how to use the 'keytool -genkeypair' command to generate a new pair of keys and self-signed certificate in a new 'keystore' file. 2022-10-01, ∼812🔥, 0💬

jconsole - Command Options and Connection Window
This section describes the 'jconsole' command and its options. The connection window of the JDK 1.6 version is also included. 2022-10-01, ∼801🔥, 0💬

"keytool -keyclone" - Cloning Certificates with New Identities
This section provides a tutorial example on how to use the 'keytool -keyclone' command to clone a certificate with new identity. The cloned certificates with share the same keys with the original certificate. 2022-10-01, ∼800🔥, 0💬

"java --describe-module" - Printing Module Definition
This section provides a tutorial example on how to use 'java --describe-module' command to print out the definition of a given Java module. 2022-10-01, ∼795🔥, 0💬

jhsdb - The Java HotSpot Debugger
This chapter provides tutorial notes on 'jhsdb', the Java HotSpot Debugger. Topics include 'jhsdb' command options; starting HotSpot Debugger in GUI or command line mode; inspecting JVM threads; viewing JVM stack memory. 2022-10-01, ∼792🔥, 0💬

jmc - Java Mission Control
This chapter provides tutorial notes on 'jmc' Java Mission Control tool. Topics include introduction of jmc; launching jmc; viewing JVM dashboard; browsing MBean objects; managing monitoring triggers. 2022-10-01, ∼786🔥, 0💬

MBean Browser on jmc JMX Console
This section provides a tutorial example on how to view details of live objects related to the JVM using the MBean Browser on jmc JMX Console. 2022-10-01, ∼778🔥, 0💬

java - Program Launching Command and Options
This section describes the Java launching tool 'java' and its commonly used command options. 2022-10-01, ∼777🔥, 0💬

"byte" Data Type and Implicit Casting
This section provides a tutorial example on how 'byte' variables can be assigned with 'byte' values with implicit and explicit casting from other compatible types of values. 2022-10-01, ∼770🔥, 0💬

ReverseEchoServer.java - A Multi-Connection Socket Server
This section provides a tutorial example on how to write a network application, ReverseEchoServer.java, that creates a server socket and listens for multiple remote socket connection requests. It creates a new execution thread each time, for each new connection. 2022-10-01, ∼765🔥, 0💬

Archived Tutorials
This chapter contains some outdated tutorial notes and example codes from previous versions of this book. 2022-10-01, ∼763🔥, 0💬

What Is JAB (Java Access Bridge)
This section describes what is JAB (Java Access Bridge) - a technology that exposes the Java Accessibility API to Microsoft Windows environment. JDK comes with 3 JAB tools: jabswitch, jaccesswalker, and jaccessinspector. 2022-10-01, ∼762🔥, 0💬

"jshell> /edit" - Editing Code Snippet
This section provides a tutorial example on how to start the editor to enter and change a long code snippet in 'jshell'. 2020-06-11, ∼761🔥, 2💬

💬 2020-06-11 Herong: Tarun, what platform are you using?

💬 2020-06-11 Tarun Teja: unable to edit my snippet

jmap - Generating Heap Dump File
This section provides a tutorial example on how to generate a heap dump file with the 'jmap -dump:file=name' command. A heap dump file contains all heap objects of JVM process. 2022-10-01, ∼760🔥, 0💬

Search Operation Performance of Different Collection Classes
This section provides a tutorial example on how to do performance comparison on search operations on different collection classes implemented in JDK 1.4.1. HashSet and LinkedHashSet have the best performance on search operations. 2022-10-01, ∼756🔥, 0💬

javac - Java Compilation Command and Options
This section describes what are the commonly used command line options for the Java compiler - 'javac' tool. 2022-10-01, ∼754🔥, 0💬

SSL Socket Communication Testing Programs
This chapter provides tutorial notes and example codes on the SSL socket communication. Topics include SSL socket communication test requirements and programs; using trusted key store to fix self-signed certificates issue; using debug option to see SSL communication handshake details. 2018-08-01, ∼745🔥, 7💬

💬 2017-11-27 Herong: Sandeep, not sure. It uses TCP protocol, lower than HTTP post. But you can try it.

💬 2017-11-22 Sandeep: Can this also read post request from cleint

💬 2017-03-02 Herong: hemanth, you can follow SSL Client Authentication tutorials to see how to enable client authentication.

💬 2017-03-01 hemanth: How do i enable client authentication. I know that i have to set server to need client auth which i did but what about the clien...

💬 2016-06-10 Herong: Algérian, did you find what you were looking for here?

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Android ASP Astrology Big5 Bitcoin Blowfish Built-in C# Calendar CD-DVD Cheminformatics Chinese Cryptography DES Email Encoding Ethereum Flash GB2312 General H Herong History HTML Java JavaScript JDBC JSP JVM Linux Molecule Movie Music MySQL Neural Network Perl PHP Physics PKI Publication Python REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO