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java.time.format.DateTimeFormatter - Date-Time Strings
This section provides a tutorial example on how to use the java.time.format.DateTimeForma tterclass to print date-time objects into strings, or to parse date-time string back as objects.
2022-10-01, 779🔥, 0💬

Converting java.util.Date to java.time.Instant
This section provides a tutorial example how to migrate Java code from the old java.util.Date class to the new java.time.Instant class.
2022-10-01, 777🔥, 0💬

Creating, Compiling and Executing Java Programs
This section describes the process of Java program creation, compilation and execution. JDK 'javac' and 'java' commands are also described.
2022-10-01, 773🔥, 0💬

Using CertificateFactory Class to Read in Certificates
This section provides a tutorial example on how to write a sample program to read in certificate files with the java.security.cert.Certificate Factoryclass.
2022-10-01, 733🔥, 0💬

Archived: Downloading and Installing JDK 1.5.0 on Windows
This section provides a tutorial example on how to download and install JDK (or J2SE) 1.5.0 on a Windows XP system. A simple Java program was entered, compiled, and executed with the new JDK installation.
2022-10-01, 717🔥, 0💬

HttpsEchoer.java - A Better HTTPS Server
This section provides a tutorial example on how to write a better HTTPS test program, HttpsEchoer.java. It handles connections abandoned by the client correctly.
2022-10-01, 711🔥, 0💬

rotateLeft() - Left Rotating All Bits in a Byte Array
This section provides a tutorial example on how to perform a left rotation of all bits in a byte array - rotateLeft().
2022-10-01, 693🔥, 0💬

Instance Variables for Enum Constants
This section provides a tutorial on how to define instance variables and methods for enum constants.
2022-10-01, 689🔥, 0💬

Looking Up Method Signature with javap Command
This section provides a tutorial example of how to lookup method signatures in a class file or JAR file with the 'javap' command.
2022-10-01, 670🔥, 0💬

Explicit and Implicit Type Casting
This section describes type casting supported in Java: up casting (widening reference conversion) and down casting (narrowing reference conversion). Cast operation can be written explicitly with the cast operator (T), or implicitly with no operator.
2022-10-01, 668🔥, 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, 633🔥, 0💬

Install JDK with "yum" Command
This section provides a tutorial on how to download and install JDK packages using 'yum' command on CentOS systems. It will automatically install dependencies.
2022-10-01, 620🔥, 0💬

JDK Documentation Installation
This section describes how to install JDK Documentation on your own local machine.
2022-10-01, 616🔥, 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, 610🔥, 0💬

javap - Java Disassembler Command and Options
This section describes what are the commonly used command line options for the Java bytecode class disassembler - 'javap' tool.
2022-10-01, 606🔥, 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, 605🔥, 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, 587🔥, 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, 574🔥, 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, 572🔥, 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, 571🔥, 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, 543🔥, 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, 539🔥, 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, 536🔥, 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, 525🔥, 0💬

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