1. OS X Mountain Lion - Apple. The requirements for Mountain Lion and El Capitan are: OS X v10.6.8 or later; 2GB of memory; 8GB of available space; and the supported models are: iMac (Mid 2007 or newer) MacBook (Late 2008 Aluminum, or Early 2009 or newer) MacBook Pro (Mid/Late 2007 or newer) Xserve (Early 2009) MacBook Air (Late 2008 or newer).
2. Java for Mac OS X 10.6 Update 17 delivers improved security, reliability, and compatibility by updating Java SE 6 to 1.6.065. This update enables per-website control of the Java plug-in within Safari 5.1.9 or later.
3. How to install Java JDK (Java Development kit 12) on Mac OS. Download and install Java on Mac OS X. We will also update the JAVAHOME environment variable ne.

This document instructs you on how to set up a Java programming environment for your Mac OS X computer. It also provides a step-by-step guide for creating and compiling a Java program in IntelliJ and executing it from the command line. You will need a Mac running Mac OS X 10.13 (High Sierra) to Mac OS X 10.15 (Catalina).

Oracle recommends that the JDK is updated with each Critical Patch Update (CPU). In order to determine if a release is the latest, the following 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 15.0.1) be used after the next critical patch update scheduled for January 19, 2021.

What's New:

• The full version string for this update release is 15.0.1+9 (where '+' means 'build'). The version number is 15.0.1.

IANA Data 2020a

• JDK 15.0.1 contains IANA time zone data version 2020a. For more information, refer to Timezone Data Versions in the JRE Software.

New Features

security-libs/javax.net.ssl

• Improve Certificate Chain Handling
  • A new system property, jdk.tls.maxHandshakeMessageSize, has been added to set the maximum allowed size for the handshake message in TLS/DTLS handshaking. The default value of the system property is 32768 (32 kilobytes).
  • A new system property, jdk.tls.maxCertificateChainLength, has been added to set the maximum allowed length of the certificate chain in TLS/DTLS handshaking. The default value of the system property is 10. JDK-8245417 (not public)

Other notes:

core-libs/javax.naming

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Added Property to Control LDAP Authentication Mechanisms Allowed to Authenticate Over Clear Connections

• A new environment property, jdk.jndi.ldap.mechsAllowedToSendCredentials, has been added to control which LDAP authentication mechanisms are allowed to send credentials over clear LDAP connections - a connection not secured with TLS. An encrypted LDAP connection is a connection opened by using ldaps scheme, or a connection opened by using ldap scheme and then upgraded to TLS with a STARTTLS extended operation.
• The value of the property, which is by default not set, is a comma separated list of the mechanism names that are permitted to authenticate over a clear connection. If a value is not specified for the property, then all mechanisms are allowed. If the specified value is an empty list, then no mechanisms are allowed (except for none and anonymous). The default value for this property is 'null' ( i.e. System.getProperty('jdk.jndi.ldap.mechsAllowedToSendCredentials') returns 'null'). To explicitly permit all mechanisms to authenticate over a clear connection, the property value can be set to 'all'. If a connection is downgraded from encrypted to clear, then only the mechanisms that are explicitly permitted are allowed.
• The property can be supplied to the LDAP context environment map, or set globally as a system property. When both are supplied, the environment map takes precedence.

Note: none and anonymous authentication mechanisms are exempted from these rules and are always allowed regardless of the property value.

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If you would like to learn Java programming, the best way is by writing Java codes by yourself. To compile the Java codes then you need Java Development Kit (JDK). It can be Oracle JDK or OpenJDK. This post guides you how to install Oracle JDK 8 on Mac OS X 10.10 Yosemite. It should be also applicable for previous version of OS X such as OS X Maverick, Mountain Lion, and OS X Lion. At the time of this post written, the latest version of JDK is JDK 8 Update 25.

Basically I previously had written an article how to install Java SE 7 / JDK 7 on Mac OS X Lion. I just would like to rewrite on the newest version.

1. Download Oracle JDK 8 from Oracle website. You need to accept license agreement to be able to download the file. Make sure you select the Mac OS X x64 platform (jdk-8u25-macosx-x64.dmg).

2. Double-click the downloaded file ‘jdk-8u25-macosx-x64.dmg’ and follow the on-screen installation.

3. Once it is successfully installed, it is installed inside /Library/Java/JavaVirtualMachines folder.

4. Verify that the system is now using JDK 8.

5. If you would like to uninstall JDK 8, simply remove the jdk1.8.0_25.jdk

Hopefully this tutorial helps you on installing JDK 8 / Java SE 8 on Mac OS X 10.10 Yosemite.