$ java -version java version '10.0.2.1-ea' Java(TM) SE Runtime Environment (build 10.0.2.1-ea+13) Java HotSpot(TM) 64-Bit Server VM (build 23.2-b04, mixed mode) Note: If you have not yet installed Apple's Java OS X 2012-006 update, then you are still using a version of Apple Java 6 that includes the plug-in and the Java Preferences application. Download Java for OS X 2017-001 Java for macOS 2017-001 installs the legacy Java 6 runtime for macOS 10.13 High Sierra, macOS 10.12 Sierra, macOS 10.11 El Capitan, macOS 10.10 Yosemite, macOS 10.9 Mavericks, macOS 10.8 Mountain Lion, and macOS 10.7 Lion. Now see how to download and install JDK 8 & JRE in Mac OS without any confusion. The Java SE Development Kit 8 has many releases from JDK 8 to JDK 8u241. Here in this blog we will see the installation of JDK 8u241 on MacOS 10.15 Catalina. Installation of the 64-bit JDK on Mac Platforms. When you download the Java Development Kit (JDK), the associated Java Runtime Environment (JRE) is installed at the same time. The JavaFX SDK and Runtime are also installed and integrated into the standard JDK directory structure.
Install the binary files provided by Oracle
- Download JDK 8 from Oracle WebSite. [jdk-8u65-macosx-x64.dmg for Mac].
- Double click on jdk-8u65-macosx-x64.dmg and follow the screen instructions.
- Once the JDK package is installed check the below output
- Verify JDK version
- Set the JAVA_HOME in your .bash_profile or .zshrc(If you are using Zshell)
- If the above path creates an issue while using maven, please replace the
JAVA_HOME
with the below path
Jdk installation
- Check if any older version exists on the machine. If exists uninstall it.
- Goto Java SE download site @ http://www.oracle.com/technetwork/java/javase/downloads/index.html.
- Run the downloaded installer (e.g., 'jdk-8u{xx}-windows-x64.exe'), which installs both the JDK and JRE.
- By default, the JDK will be installed in directory 'C:Program FilesJavajdk1.8.0_xx', where xx denotes the upgrade number; and JRE in 'C:Program FilesJavajre1.8.0_xx'.
Configure environment variables
Verify JDK installation
- Open command prompt (Start > in serach bar > type cmd.exe)
- Issue 'path' command to list the contents of the PATH environment variable. Check to make sure that your <JAVA_HOME>bin is listed in the PATH.Don't type prompt>, which denotes the command prompt!!! Key in the command (highlighted) only.
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- Issue the following commands to verify that JDK/JRE are properly installed and display their version:
Write hello world program
- Create a directory to keep your works, e.g., 'd:myProject', or 'c:myProject', or any directory of your choice. Do NOT save your works in 'Desktop' or 'Documents' as they are hard to locate. The directory name shall not contain blank or special characters. Use meaningful but short name as it is easier to type.
- Launch a programming text editor (such as TextPad, or NotePad++, or Sublime Text, or Atom). Begin with a new file and enter the following source code. Save the file as 'Hello.java', under your work directory (e.g., d:myProject).
Compile and Run hello world program
To compile the source code 'Hello.java':
- Start a CMD Shell (Click the 'Start' button ⇒ 'run...' ⇒ Enter 'cmd').
- Set the Current Drive to the drive where you saved your source file 'Hello.java'. For example, suppose that your source file is saved in drive 'd', enter 'd:' as follow:
- Navigate to d:myProject folder
- Type dir
- Invoke the JDK compiler 'javac' to compile the source code 'Hello.java'.
- The output of the compilation is a Java class called 'Hello.class'. Issue a dir (List Directory) command again to check for the output.
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- To run the program, invoke the Java Runtime 'java':
Latest release
IBM SDK, Java Technology Edition, Version 8
The IBM ® SDK, Java ™ Technology Edition, Version 8 ™ is the latest release of the IBM Developer Kit and is fully compatible with the Oracle Platform Java Standard Edition (Java SE) 8 application programming interfaces (APIs).
Earlier releases
These downloads are intended for established users, and contain the latest IBM fixes and Oracle updates to the Java SE application programming interfaces (APIs). To take advantage of new capabilities in the SDK, users are encouraged to move to the latest version.
Java Platform Standard Edition (Java SE)
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