This topic includes the following sections:
Java Jdk 6 free download - Java Runtime Environment (JRE) (64-Bit), DJ Java Decompiler, Java SE Development Kit 8, and many more programs. This wikiHow will teach you how to check what version of Java you have installed on your Mac by checking the System Preferences, using the Java website, or by using your Mac's Terminal. It's the Apple icon in the upper-left of the.
System Requirements for Installing the JDK on macOS
The following are the system requirements for installing the JDK on macOS:
Any Intel-based computer running macOS.
You cannot install Java for a single user. Installing the JDK on macOS is performed on a systemwide basis for all users. Administrator privileges are required to install the JDK on macOS.
Determining the Default JDK Version on macOS
When starting a Java application through the command line, the system uses the default JDK.
You can determine which version of the JDK is the default by entering
java -version in a Terminal window. If the installed version is 12 Interim 0, Update 0, and Patch 0, then you see a string that includes the text
12. For example:
To run a different version of Java, either specify the full path, or use the
java_home tool. For example:
$ /usr/libexec/java_home -v 12 --exec javac -version
Installing the JDK on macOS
Jdk 6 Mac
- Download the JDK
Before the file can be downloaded, you must accept the license agreement.
- From either the browser Downloads window or from the file browser, double-click the
.dmgfile to start it.A Finder window appears that contains an icon of an open box and the name of the
- Double-click the
JDK 12.pkgicon to start the installation application.The installation application displays the Introduction window.
- Click Continue.
- Click Install. A window appears that displays the message: Installer is trying to install new software. Enter your password to allow this.
- Enter the Administrator user name and password and click Install Software.The software is installed and a confirmation window is displayed.
.dmgfile if you want to save disk space.
Uninstalling the JDK on macOS
Java Jdk 6 MacYou must have Administrator privileges.
Do not attempt to uninstall Java by removing the Java tools from
/usr/bin. This directory is part of the system software and any changes will be reset by Apple the next time that you perform an update of the OS.
- Go to
- Remove the directory whose name matches the following format by executing the
rmcommand as a root user or by using the
For example, to uninstall 12 Interim 0 Update 0 Patch 0:
$ rm -rf jdk-12.jdk
Installation FAQ on macOS Platform
This topic provides answers for the following frequently asked questions about installing JDK on macOS computers.
1. How do I find out which version of Java is the system default?
When you run a Java application from the command line, it uses the default JDK. If you do not develop Java applications, then you do not need to worry about this. See Determining the Default JDK Version on macOS.
2. How do I uninstall Java?
See Uninstalling the JDK on macOS.
3. After installing Java for macOS 2012-006, can I continue to use Apple's Java 6 alongside the macOS JDK for Java 12?
If you want to continue to develop with Java 6 using command-line, then you can modify the startup script for your favorite command environment. For bash, use this:
$ export JAVA_HOME=`/usr/libexec/java_home -v 12`
Some applications use
/usr/bin/java to call Java. After installing Java for macOS 2012-006,
/usr/bin/java will find the newest JDK installed, and will use that for all of the Java-related command-line tools in
/usr/bin. You may need to modify those applications to find Java 6, or contact the developer for a newer version of the application.
4. Can I restore Apple Java after uninstalling Oracle Java?
Go back to Apple Java using the following instructions:
Uninstall Oracle Java by deleting the plug-in file. From a command-line, enter:
$ sudo rm -rf '/Library/Internet Plug-Ins/JavaAppletPlugin.plugin'
Create a symlink using the following command, entered on a single line:
$ sudo ln -s /System/Library/Java/Support/CoreDeploy.bundle/Contents/JavaAppletPlugin.plugin '/Library/Internet Plug-Ins/JavaAppletPlugin.plugin'
5. What happened to the Java Preferences app in Application Utilities?
The Java Preferences app was part of the Apple Java installation and is not used by Oracle Java. Therefore, macOS releases from Apple that do not include Apple Java will not include Java Preferences.Download1 Screenshots
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The next Java platform by Sun MicrosystemsJava SE Development Kit is an extensive collection of tools designed for developing Java based software and applications.
JDK offers full support for command line and has a Java code editor, providing developers a powerful environment to create and test their applications.
The OpenJDK Community offers the public access to a large collection of projects with the common goal of experimenting and evolving the JDK platform. However some parts of the community are available only to members of this JDK project who have the Researcher project role and agreed to the Java Research License (JRL) terms.
Source snapshots of JDK7 and JDK 6 under the JRL license are available through subversion repository, accessible only with JDK Researcher or JDK Contributor role for JDK project.
Java SE Development Kit contains:
- Development Tools located in the bin/subdirectory for developing, executing, debugging and documenting programs.
- Java Runtime Environment located in the jre/subdirectory, containing a Java Virtual Machine, class libraries and other files that enable the execution of Java based programs.
- Additional class libraries and support files located in the lib/subdirectory.
- Demo Applets and Applications located in the demo/subdirectory, containing Java platform programming examples with source code.
- Sample Code (in the sample subdirectory) – programming samples for a number of Java API’s.
- C Header Files (in the include/subdirectory) that supports native-code programming through Java Native Interface, JVM Tool Interface and other Java platform functionalities.
- Source Code (inside src.zip) containing source files for all classes contained by the Java core API (source files for the java.*, javax.* and certain org.* packages, but not for com.sun.* packages).
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