Java JDK 8 Update 241 (64-bit)

Windows Vista64 / Windows 7 64 / Windows 8 64 / Windows 10 64

Java Development Kit 64-bit (also known as JDK) contains the software and tools that you need to compile, debug, and run applets and applications that you’ve written using the Java programming language. JDK has as its primary components a collection of programming tools, including javac, jar, and the archiver, which packages related class libraries into a single JAR file. This tool also helps manage JAR files, javadoc — the documentation generator, which automatically generates documentation from source code comments, jdb — the debugger, jps — the process status tool, which displays process information for current Java processes, javap — the class file disassembler, and so many other components.

The JDK 64-bit also comes with a complete Java Runtime Environment, usually called a private runtime. It consists of a Java Virtual Machine and all of the class libraries present in the production environment, as well as additional libraries only useful to developers, and such as the internationalization libraries and the IDL libraries. Download Java Development Kit Offline Installer Setup 64bit for Windows

Contents of the JDK:

Development Tools
(In the bin/ subdirectory) Tools and utilities that will help you develop, execute, debug, and document programs are written in the JavaTM programming language.

Runtime Environment
(In the jre/ subdirectory) An implementation of the Java Runtime Environment (JRE) for use by the JDK. The JRE includes a Java Virtual Machine (JVM), class libraries, and other files that support the execution of programs written in the Java programming language.

Additional Libraries
(In the lib/ subdirectory) Additional class libraries and support files required by the development tools.

Demo Applets and Applications
(In the demo/ subdirectory) Examples, with source code, of programming for the Java platform. These include examples that use Swing and other Java Foundation Classes, and the Java Platform Debugger Architecture.

Sample Code
(In the sample subdirectory) Samples, with source code, of programming for certain Java API’s.

C header Files
(In the include/ subdirectory) Header files that support native-code programming using the Java Native Interface, the JVM Tool Interface, and other functionality of the Java platform. Download Java Development Kit Offline Installer Setup 64bit for Windows

Java SE Development Kit (JDK) 8, 9, 11

Информация о программе

Описание

JDK — обязательный пакет инструментов, необходимый для разработки программ на языке Java. Он доступен на 32 и 64 битных операционных системах Windows, MacOSX и Linux. Программное обеспечение стало незаменимым помощником разработчика, поскольку компилирует исходный код в битную структуру и содержит набор библиотек.

JDK или Java Development Kit — официальная программа, выпущенная компанией Oracle. Лицензия доступна для бесплатного скачивания. Особенность софта в том, что он содержит минимальный набор инструментов java-программиста кроме интегрированной среды разработки (IDE). А для работы сред IDE, отвечающих современным требованиям, необходим пакет JDK.

Поскольку в комплект не входит интегрированная среда разработки — платформа для написания и изменения программного кода, разработчику приходится использовать сторонний редактор кода. В набор инструментов JDK входит исполнительная программа JRE, которая запускает приложение, написанное на языке JAVA. С ее помощью разработчик увидит работу программного обеспечения на разных устройствах и операционных системах.

JDK состоит из:

• Набора основных классов;
• Библиотек;
• Компилятора;
• Исполнительной среды;
• Интерпретатора;
• Архиватора;
• Документации и др;

Каждый программист, создающий java-приложения, начинает свой путь с установки этого софта на свой компьютер. На нашем сайте вы сможете скачать JDK 8 версии для x32 и x64 систем Windows, а также JDK версий 9 и 11, которые работают только на 64 битных системах.

JDK 8u241 Update Release Notes

Java™ SE Development Kit 8, Update 241 (JDK 8u241)

January 14, 2020

The full version string for this update release is 1.8.0_241-b07 (where «b» means «build»). The version number is 8u241.

IANA Data 2019c

JDK 8u241 contains IANA time zone data version 2019c. For more information, refer to Timezone Data Versions in the JRE Software.

Security Baselines

The security baselines for the Java Runtime Environment (JRE) at the time of the release of JDK 8u241 are specified in the following table:

JRE Family Version	JRE Security Baseline (Full Version String)
8	1.8.0_241-b07
7	1.7.0_251-b08

Keeping the JDK up to Date

Oracle recommends that the JDK is updated with each Critical Patch Update (CPU). In order to determine if a release is the latest, the Security Baseline page can be used to determine which is the latest version for each release family.

Critical patch updates, which contain security vulnerability fixes, are announced one year in advance on Critical Patch Updates, Security Alerts and Bulletins. It is not recommended that this JDK (version 8u241) be used after the next critical patch update scheduled for April 14, 2020.

Java SE Subscription customers managing JRE updates/installs for large number of desktops should consider using Java Advanced Management Console (AMC).

For systems unable to reach the Oracle Servers, a secondary mechanism expires this JRE (version 8u241) on May 14, 2020. After either condition is met (new release becoming available or expiration date reached), the JRE will provide additional warnings and reminders to users to update to the newer version. For more information, see 23.1.2 JRE Expiration Date in the Java Platform, Standard Edition Deployment Guide.

New Features

security-libs/javax.security
➜ Allow SASL Mechanisms to Be Restricted

A security property named jdk.sasl.disabledMechanisms has been added that can be used to disable SASL mechanisms. Any disabled mechanism will be ignored if it is specified in the mechanisms argument of Sasl.createSaslClient or the mechanism argument of Sasl.createSaslServer . The default value for this security property is empty, which means that no mechanisms are disabled out-of-the-box.

security-libs/javax.crypto:pkcs11
➜ SunPKCS11 Provider Upgraded with Support for PKCS#11 v2.40

The SunPKCS11 provider has been updated with support for PKCS#11 v2.40. This version adds support for more algorithms such as the AES/GCM/NoPadding cipher, DSA signatures using SHA-2 family of message digests, and RSASSA-PSS signatures when the corresponding PKCS11 mechanisms are supported by the underlying PKCS11 library.

Other notes

security-libs/java.security
➜ New Checks on Trust Anchor Certificates

New checks have been added to ensure that trust anchors are CA certificates and contain proper extensions. Trust anchors are used to validate certificate chains used in TLS and signed code. Trust anchor certificates must include a Basic Constraints extension with the cA field set to true. Also, if they include a Key Usage extension, the keyCertSign bit must be set.

A new system property named jdk.security.allowNonCaAnchor has been introduced to restore the previous behavior, if necessary. If the property is set to the empty String or «true» (case-insensitive), trust anchor certificates can be used if they do not have proper CA extensions.

The default value of this property, if not set, is «false».

Note that the property does not apply to X.509 v1 certificates (since they don’t support extensions).

This property is currently used by the JDK implementation. It is not guaranteed to be supported by other Java SE implementations.

JDK-8230318 (not public)

security-libs/java.security
➜ Exact Match Required for Trusted TLS Server Certificate

A TLS server certificate must be an exact match of a trusted certificate on the client in order for it to be trusted when establishing a TLS connection.

JDK-8227758 (not public)

security-libs/java.security
➜ Added LuxTrust Global Root 2 Certificate

The following root certificate has been added to the cacerts truststore:

security-libs/java.security
➜ Added 4 Amazon Root CA Certificates

The following root certificates have been added to the cacerts truststore:

core-libs/java.rmi
➜ Improve Registry Support

The java.rmi.Remote marker interface identifies interfaces containing methods that can be invoked remotely by using the following specification:

• Methods declared in interfaces that directly or indirectly extend java.rmi.Remote can be invoked remotely
• Methods declared in interfaces that do not extend Remote directly or indirectly cannot be invoked remotely

This affects remote objects in the java.rmi.registry.Registry and any other remote object.

JDK-8230967 (not public)

Bug Fixes

The following are some of the notable bug fixes included in this release:

client-libs/2d
➜ Support for OpenType CFF Fonts

Previously, Oracle JDK 8 did not include OpenType CFF fonts (. otf fonts) into the standard logical fonts (such as «Dialog» and «SansSerif»). This resulted in missing glyphs when rendering text. In the most extreme cases where only CFF fonts were installed on the system, a Java exception could be thrown.

Several Linux distributions were affected by this issue because they rely on CFF fonts to support some languages, which is common for CJK (Chinese, Japanese, and Korean) languages.

Oracle JDK 8 now uses these CFF fonts, and this issue has been resolved.

core-libs/java.io:serialization
➜ Better Serial Filter Handling

The jdk.serialFilter system property can only be set on the command line. If the filter has not been set on the command line, it can be set can be set with java.io.ObjectInputFilter.Config.setSerialFilter . Setting the jdk.serialFilter with java.lang.System.setProperty has no effect.

JDK-8231422 (not public)

This release also contains fixes for security vulnerabilities described in the Oracle Critical Patch Update. For a more complete list of the bug fixes included in this release, see the JDK 8u241 Bug Fixes page.

Jdk 8u241 windows x64

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Java SE Development Kit 8 Downloads

Thank you for downloading this release of the Java™ Platform, Standard Edition Development Kit (JDK™). The JDK is a development environment for building applications, applets, and components using the Java programming language.

The JDK includes tools useful for developing and testing programs written in the Java programming language and running on the Java platform.

Important Oracle JDK License Update

The Oracle JDK License has changed for releases starting April 16, 2019.

The new Oracle Technology Network License Agreement for Oracle Java SE is substantially different from prior Oracle JDK licenses. The new license permits certain uses, such as personal use and development use, at no cost — but other uses authorized under prior Oracle JDK licenses may no longer be available. Please review the terms carefully before downloading and using this product. An FAQ is available here.

Commercial license and support is available with a low cost Java SE Subscription.

Oracle also provides the latest OpenJDK release under the open source GPL License at jdk.java.net.

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Java Development Kit (64bit) 8 Update 241

Oracle — 210.92 MB (Freeware)

Version: 8 Update 241

Size: 210.92 MB

Date Added: Jan 14, 2020

License: Freeware

Languages: Multi-languages

Publisher: Oracle

OS: Windows All

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Java Platform, Standard Edition (Java SE) lets you develop and deploy Java applications on desktops and servers, as well as in today’s demanding embedded environments. Java offers the rich user interface, performance, versatility, portability, and security that today’s applicationsrequire.

The JDK is a development environment for building applications, applets, and components using the Java programming language.

The JDK includes tools useful for developing and testing programs written in the Java programming language and running on the Java platform.