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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, 418🔥, 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, 417🔥, 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, 405🔥, 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, 402🔥, 0💬

jconsole - Connecting to a Remote JMX Agent
This section provides a tutorial example on how to run 'jconsole' to connect to a JMX agent running on a remote machine, and how to see memory usage detail information.
2022-10-01, 398🔥, 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, 397🔥, 0💬

Unicode Signs in Different Encodings
This section provides a tutorial example on how to write sample programs to create some Unicode signs in various encodings and view them in a Web browser.
2022-10-01, 393🔥, 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, 392🔥, 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, 390🔥, 0💬

jimage - The JIMAGE File Tool
This chapter provides tutorial notes on 'jimage', the JIMAGE File Tool. Topics include introduction of JIMAGE file format; 'jimage' command options; viewing and extracting JIMAGE file with 'jimage'; summary of Java file types and related tools.
2022-10-01, 388🔥, 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, 388🔥, 0💬

Deadlock Example - Transferring Funds
This section provides a Java program that simulates the deadlock example - Transferring Funds.
2022-10-01, 388🔥, 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, 382🔥, 0💬

Testing JDK Installation
This section describes how to compile and run Java programs to test JDK installation on Windows system.
2022-10-01, 382🔥, 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, 375🔥, 0💬

Reading RSA Private and Public Key Files
This section provides a tutorial example on running the test program JcaKeyFactoryTest.java to generate, write, read and convert RSA private and public keys.
2022-10-01, 372🔥, 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, 372🔥, 0💬

SSL Specification Overview
This section provides a quick overview of the SSL (Secure Socket Layer) protocol. There are 4 sub-protocols in SSL: Record Protocol, Handshake Protocol, Change Cipher Spec Protocol, and Alert Protocol.
2022-10-01, 366🔥, 0💬

JcaKeyStoreTest.java - 'keystore' Class Test Program
This section provides a tutorial example on how to write a sample program to use the 'keystore' class to open a 'keystore' database file. The sample program also exports one certificate out of the 'keystore' object.
2022-10-01, 365🔥, 0💬

"jdeps --inverse --require ..." - Reverse Dependencies
This section provides a tutorial example on how to use 'jdeps --inverse' command to show reverse dependencies of a given Java module.
2022-10-01, 361🔥, 0💬

What Is Deadlock
This section provides a tutorial example on how to demonstrate a deadlock condition with two Java threads.
2022-10-01, 358🔥, 0💬

Garbage Collection and Unused Objects
This section describes what is garbage collection and what is an unused object.
2022-10-01, 357🔥, 0💬

jconsole - Connecting to a Local JMX Agent
This section provides a tutorial example on how to run 'jconsole' to connect to a JMX agent running on a local machine, and how to monitor the running Java application by reading head memory usage, CPU usage, number of threads and classes.
2022-10-01, 353🔥, 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, 353🔥, 0💬

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