This tutorial book based on notes and sample codes collected by the author while he was learning Java tools himself. Topics includes: 'java/javaw' Launcher, 'javac' Compiler, 'javadoc' Document Generator, 'javap' Class File Disassembler, 'jar/jarsigner' Archive Tool, 'jconsole' Console, 'jdb' Debugger, 'jdeps' Dependency Analyzer, 'jdeprscan' Deprecated API Scanner, 'jhat' Heap Analysis Tool, 'jlink' JRE Linker, 'jhsdb' HotSpot Debugger, 'jmap' Memory Dumper, 'jmc' Mission Control, 'jpackage' Binary Package Builder, 'jrunscript' Script Shell, 'jstack' Stack Dumper, 'jstat' Statistics, 'jstatd' Statistics Daemon, 'jvisualvm' Visual VM, 'jwebserver' Web Server, 'keytool' Keystore Tool, 'serialver' serialVersionUID generator. Updated in 2023 (Version v6.23) with JDK 20. For latest updates and free sample chapters, visit https://www.herongyang.com/Java-Tools.

This tutorial book is a collection of notes and sample codes written by the author while he was learning Java Swing and AWT himself. Topics include Swing and AWT (Abstract Windows Toolkit) class library; graphical components: JButton, JCheckbox, JComboBox, JFrame, JLabel, JMenu, JRadioButton, JTextField; frame layouts; menus; dialog boxes; editor pane; Unicode and Chinese. Updated in 2024 (Version v4.32) with JDK 20. For latest updates and free sample chapters, visit https://www.herongyang.com/Swing.

This book is a collection of tutorial notes and sample codes written by the author while he was learning JDK (Java Development Kit) core libraries himself. Topics include Time and Calendar, Internationalization, Unnamed Packages, Collections, Character Set and Encoding, Logging, XML related technologies: DOM, SAX, DTD, XSD, and XSL, Cryptography, Certificates, Key stores, Cipher and Encryption, Socket communication, SSL and HTTPS. Updated in 2024 (Version v6.32) with JDK 20. For latest updates and free sample chapters, visit https://www.herongyang.com/JDK.

This tutorial book is a collection of notes and sample codes written by the author while he was learning Java himself. Topics covered in the book include: Java language basics; execution environment; generic classes and parameterized type; generic methods and type argument inferences; enum types and constants; lambda expressions; annotation types and invocations; Java modules; execution threads and synchronization; memory management and garbage collection. Updated in 2024 (Version v8.22) with JDK 20. For latest updates and free sample chapters, visit https://www.herongyang.com/Java.

This book is a collection of notes and sample codes written by the author while he was learning JVM himself. Topics include JVM (Java Virtual Machine) Architecture and Components; Oracle JVM implementation - HotSpot; Eclipse JVM implementation - Eclipse OpenJ9; java.lang.Runtime - The JVM Instance class; Loading Native Libraries; java.lang.System - Representing Operating System; java.lang.ClassLoader - Loading class files; java.lang.Class - Class reflections; Runtime data areas, heap memory and Garbage Collection; Stack, Frame and Stack overflow; Multi-threading impacts on CPU and I/O; CDS (Class Data Sharing); Micro Benchmark tests on different types of operations. Updated in 2024 (Version v5.13) with HotSpot JVM 20. For latest updates and free sample chapters, visit https://www.herongyang.com/JVM.

This JDBC tutorial book is a collection of notes and sample codes written by the author while he was learning JDBC technology himself. Topics include installing JDK and Derby database server; using Derby JDBC driver; database connection URLs; introduction to Result Set; Meta Data, Prepared Statement, CLOB, and BLOB; connection pooling with DBCP and C3P0. Updated in 2024 (Version v3.13) with minor changes. For latest updates and free sample chapters, visit https://www.herongyang.com/JDBC.

This book is a collection of notes and sample codes written by the author while he was learning Linux systems. Topics include using Cockpit Web portal for admin tasks; managing users and groups; managing files and directories; managing NTFS, CIFS, EXT4, LBA, LVM file systems; using network tools and security firewall; installing CentOS systems; using SELinux (Security-Enhanced Linux) system; DNF/YUM software package manager; SSH Server configuration and client tools; managing vsftpd - Very Secure FTP daemon; managing directory service with OpenLDAP; Updated in 2024 (Version v5.44) with email topics moved to 'Email Tutorials' book. For latest updates and free sample chapters, visit https://www.herongyang.com/Linux.

This book is a collection of notes and sample codes written by the author while he was learning WSDL himself. Topics include introduction to WSDL (Web Services Definition Language); WSDL document structure; 'types', 'interface', 'binding' and 'service' definition elements; differences between style='rpc' and style='document'; using WSDL document with SoapUI; parsing WSDL documents with Python, PHP, Perl, and Java programs. Updated in 2024 (Version v2.22) with Python tutorials. For latest updates and free sample chapters, visit https://www.herongyang.com/WSDL.

This book is a collection of tutorial notes and example codes written by the author while he was learning different data encoding algorithms. Topics include introduction of data encoding algorithms: Base32, Base64, UUEncode; Base64 Encoding Algorithm with W3C Implementation; Base64 Encoding tools and API in Java, Python, PHP and Perl; Base67URL Encoding to be URL and Filename safe; Base32 Encoding Algorithm with Java, PHP and C++ Implementations; URI/URL encoding with Java and PHP example programs; application/x-www-form-urlencoded encoding with Java and PHP example programs; UUEncode Encoding Algorithm with Sun Implementation. Updated in 2023 (Version v5.23) with minor changes. For latest updates and free sample chapters, visit https://www.herongyang.com/Encoding.

This book is a collection of notes and sample codes written by the author while he was learning Android system. Topics include Installing of Android SDK on Windows, Creating and running Android emulators, Developing First Android Application - HelloAndroid, Creating Android Project with 'android' Command, Building, Installing and Running the Debug Binary Package, Inspecting Android Application Package (APK) Files, Using Android Debug Bridge (adb) Tool, Copying files from and to Android device, Understanding Android File Systems, Using Android Java class libraries, Using 'adb logcat' Command for Debugging. Updated in 2023 (Version v3.05) with ADB tutorials. For latest updates and free sample chapters, visit https://www.herongyang.com/Android.