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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Archived Tutorials
This chapter contains some outdated tutorial notes and example codes from previous versions of this book. 2022-10-01, ∼637🔥, 0💬

"jpackage -t pkg" - Package for macOS
This section provides a tutorial example on how to use 'jpackage -t pkg' command to generate a binary distribution package from Java application JAR file in *.pkg format for macOS computers. 2023-03-08, ∼636🔥, 1💬

💬 2023-03-08 Andy: For me, this produced a pkg that installs a app image on my MAC, but the installed program cannot be executed, because it says t...

Testing JDK Installation
This section describes how to compile and run Java programs to test JDK installation on Windows system. 2022-10-01, ∼635🔥, 0💬

Searching for Instances with OQL Statements
This section provides a tutorial example on how to write an OQL (Object Query Language) query statement to search for object instances with specific conditions. 2022-10-01, ∼635🔥, 0💬

Compiling Hello.java - My First Java Program
This section provides a tutorial example on how to compile a Java program using the 'javac' tool without any options. 2023-07-26, ∼634🔥, 1💬

Using JAR Files in Java Class Paths
This section provides a tutorial example on how to use JAR files in class paths during Java compilation and execution time. 2022-10-01, ∼630🔥, 0💬

What Is "keystore"?
This section provides a quick introduction of 'keystore' - a database file used to store private keys and public key certificates. 'keystore' file can be managed by the KeyStore class or the 'keytool' command. 2022-10-01, ∼629🔥, 0💬

Listing Java Tools in JDK
This section provides a list of Java tools included in the Oracle JDK package for Windows systems. 2022-10-01, ∼629🔥, 0💬

Converting Secret Keys to and from Byte Arrays
This section provides a quick introduction of the SecretKeySpec class and the KeySpec interface. They can be used to convert secret keys into byte arrays to store them in external files. 2024-02-03, ∼628🔥, 1💬

JAB (Java Access Bridge) for Windows
This chapter provides tutorial notes on JAB (Java Access Bridge) tools. Topics include introduction of JAB (Java Access Bridge); using 'jabswitch' to enable JABB; using 'jaccesswalker' to view GUI component tree; using 'jaccessinspector' to examine GUI accessible information. 2022-10-01, ∼627🔥, 0💬

Partial Date and Time Objects and Classes
This section provides a tutorial example on how to use Date-Time classes that represents partial date and time objects like java.time.LocalDate, java.time.LocalDate, etc. 2022-10-01, ∼623🔥, 0💬

jdeps - The Java Class Dependency Analyzer
This chapter provides tutorial notes on 'jdeps', the Java Class Dependency Analyzer. Topics include 'jdeps' command options; showing package or class level dependencies of a given class or jar file; showing package or class level reverse dependencies of a given Java module. 2022-10-01, ∼623🔥, 0💬

jinfo - VM Option Value Checker
This section provides a tutorial example on how to use the 'jinfo' tool to view the current value of a given HotSpot VM option. 2022-10-01, ∼618🔥, 0💬

java.util.DecimalFormat.parse() - Parsing Strings to Number Objects
This section provides a tutorial example on how to use the java.util.DecimalFormat.parse( )method to parse or convert numeric strings to number objects. 2022-10-01, ∼617🔥, 0💬

Class and Interface Hierarchy
This section describes Java class and interface hierarchical relationships to support object inheritance: superclass-subclass relation, superinteface-subinterface relation, and interface-class relation. 2022-10-01, ∼617🔥, 0💬

Running EncodingSampler.java with UTF-8, UTF-16, UTF16-BE
This section provides a tutorial example on how to run the character encoding sample program with UTF-8, UTF-16, and UTF16-BE encodings, which are all Unicode character set encodings. 2022-10-01, ∼614🔥, 0💬

Listing Instance Counts of All Classes
This section provides a tutorial example on how to list object instance counts of all loaded classes in a Java heap dump file through the 'jhat' Web server. 2022-10-01, ∼605🔥, 0💬

Archived: Downloading and Installing Java 8
This section describes how to download and install Java 8 (Java Standard Edition Development Kit 1.8) on Windows. 2022-10-01, ∼605🔥, 0💬

Literal Formats for Integers
This section describes 4 literal formats for integer values: decimal, hex, octal and binary integer literals. The default integer literal data type is 'int'. 2022-10-01, ∼602🔥, 0💬

javac - Using CP1252 to Process Source File
This section provides a tutorial example showing how 'javac' processing Java source code files with CP1252 encoding. 2022-10-01, ∼599🔥, 0💬

Java Tools Included in JDK
This chapter provides tutorial notes on Java tools included in the Oracle JDK package. Topics include downloading and installing the latest JDK version on Windows; using 'javac' and 'java' tools to compile and run Java program; listing Java tools in the 'bin' sub-directory of Java home directory. 2022-10-01, ∼597🔥, 0💬

jlink - The JRE Linker
This chapter provides tutorial notes on 'jlink', the JRE Linker. Topics include introduction of jlink; building JRE with java.base only; building application JRE; generating application launching scripts. 2022-10-01, ∼596🔥, 0💬

"import" Statements Processed by "javac"
This section provides a tutorial example on how the 'javac' tool process two types of 'import' statements differently when loading required class types. 2022-10-01, ∼595🔥, 0💬

"jaccessinspector" - Accessible Information Examiner
This section provides a tutorial example on how to use 'jaccessinspector' to examine accessible information of objects that trigger events in a Java GUI application on Windows computers. 2025-09-24, ∼594🔥, 2💬

💬 2025-09-24 Herong: Dolly, what is your operating system? and what is your Java version?

💬 2025-09-23 Dolly: what to do if jaccessinspector application always crashed

<< < … 3 4 5 6 7 8 9 10 11 12 13 … > >>   ∑:488  Sort:Date

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