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"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, ∼696🔥, 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, ∼692🔥, 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, ∼676🔥, 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, ∼669🔥, 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, ∼662🔥, 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, ∼661🔥, 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, ∼660🔥, 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, ∼657🔥, 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, ∼648🔥, 0💬

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, ∼643🔥, 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, ∼638🔥, 0💬

Binding Sockets to Specific Ports
This section describes how to bind a socket to a specific port. Binding multiple client sockets to the same port is not allowed.
2022-10-01, ∼623🔥, 0💬

Archived: Downloading and Installing JDK 1.7
This section describes how to download and install Java SE 7 Update 7 (JDK 7u7) on a Windows system.
2022-10-01, ∼623🔥, 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, ∼612🔥, 0💬

"jdeps jar_file" - Dependencies of JAR File
This section provides a tutorial example on how to use 'jdeps' command to show package level dependencies of a given JAR file.
2022-10-01, ∼609🔥, 0💬

java - Program Launching Command and Options
This section describes the Java launching tool 'java' and its commonly used command options.
2022-10-01, ∼608🔥, 0💬

"javap -c -private" - Disassembling Java Bytecode Class
This section provides a tutorial example of how to disassemble Java bytecodes with 'javap -c -private' command. The disassembled codes are JVM execution instructions.
2022-10-01, ∼608🔥, 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, ∼600🔥, 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, ∼593🔥, 0💬

jhat - Starting Web Server on a Heap Dump File
This section provides a tutorial example on how to start 'jhat' as a Web server on a Java heap dump file allowing you to browse Java heap objects.
2022-10-01, ∼583🔥, 0💬

java.time.Period - Periods in Days and Months
This section describes the java.time.Period class that represents a calendar period measured in years, months, and/or days.
2022-10-01, ∼581🔥, 0💬

Single-Element Annotation Invocation
This section provides a tutorial example on how to use the shorthand format for a single annotation element named as 'value' in annotation invocation statements.
2022-10-01, ∼580🔥, 0💬

Launching jmc (Java Mission Control)
This section provides a tutorial example on how to launch 'jmc' (Java Mission Control) and manage its JVM browser, details and Web browser panels.
2022-10-01, ∼568🔥, 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, ∼566🔥, 0💬

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