Java is a general-purpose, secure, robust, object-oriented language developed by Sun Microsystems in 1990. Java is portable which means it follows to write once run anywhere paradigm. Many of the useful application are build on Java and required Java runtime environment. If you are preparing your system for the developing new java applications, you need to install JDK on your machine.
The latest version is Java 14 which was released in March 2020. This tutorial helps you to install Java 14 latest version or Java 11 LTS on macOS Sierra or High Sierra.
Step 1 – Prerequisites
We will download and install java on MAC OS. If you wish to install java on Windows you may skip this tutorial and may refer our tutorial Install JDK on Windows and Set Environment Path on Windows. But make sure that it’s version is either 8 or 9 as JMeter4.0 does not support Java 10 and Java 7 or it’s prior versions. What's new in Java for Mac OS X 2017-001: This package is exclusively intended for support of legacy software and installs the same deprecated version of Java 6 included in the 2015-001, 2014-001, and 2013-005 releases.
Before starting the installation of Java using this tutorial you must have the following prerequisites
- Terminal: You must have Mac Terminal access and little knowledge about working with the terminal application. Ao login to your Mac system and open terminal
- Homebrew: This tutorial relies on Homebrew, So you must have homebrew installed. Homebrew can be installed with a single command.
For more instruction visit Homebrew installation tutorial.
Step 2 – Install Homebrew Cask
On Mac systems, Homebrew is the package manager, and Homebrew Cask is the app manager built on top of Homebrew. You Execute command to update brew cache and tap the caskroom/cask.
Step 3 – Install JAVA with Homebrew Cask
At the time of writing this tutorial the available version, Java 11 LTS and Java 14 latest for the installation.
- Check Available Versions – Use the following commands to view the details about java versions to be install.
- Installing Java – Next, install the Java version of your choice using one of the below commands. You can also install both versions if required.
The installation process may take some time to complete depending on your network speed.
- Check Version – Once the installation finished, verify the installed Java version.
All done. You have successfully installed Java on your macOS system.
Conclusion
In this tutorial, you have learned to install Java on macOS systems using homebrew.
How to install Java
Checking to see if Java is installed
For everyone:
Java Download For Macbook
•Open a terminal window (or a command prompt window if you are using Windows--NOT Cygwin)
•Type 'java -version' and press enter. Then, type 'javac -version' and press enter.
•For each of these you should see some text, and then the numbers '1.6.0_##'. (It doesn't really matter what's after the “_”, as long as the first part says 1.6.0). If you do, then you're all set for class.
•If you see numbers other than 1.6, or get an error message, follow the steps below to install Java on your computer.
Setting up Java 6 on PC and Mac
For PC (Windows and some Unix)
Download/Install
1.Go to: http://www.oracle.com/technetwork/java/javase/downloads/index.html
2.In the Java Platform, Standard Edition box, click on the Download JDK button.
3.Click the 'Download' button under 'Download Java SE Develepment Kit'.
4.On the download page under the 'Platform' pull-down menu select 'Windows' if you have a 32-bit OS or 'Windows x64' if you have a 64-bit OS. Then click 'Continue'.
5.A download page will pop-up. Click on the file under 'Java SE Development Kit'.
6.Locate where you downloaded the installation file on your computer and double-click it to start installing.
7.Keep clicking Next until the installation is complete.
Setting the Path- Windows
1.Right-Click the Computer icon from the Start Menu or the Desktop and select Properties.
2.Go to the Advanced tab in XP (or click Advanced system settings in Vista) and click the Environment Variables button.
3.In the User variables for <name> section at the top, look for the variable Path (not PATH).
4.If the Path variable already exists, click Edit. If it doesn't exist, click New.
Variable name: Path
Variable value: Add YOUR_JAVA_BIN_PATH (should be ;C:Program FilesJavajdk1.6.0_17bin;. ) to the end
(Make sure the path starts and ends with a ;.)5.In the System Variables section, look for the variable CLASSPATH.
6.If the CLASSPATH variable already exists, click Edit. If it doesn't exist, click New.
Variable name: CLASSPATH
Variable value: Add ;. to the end, if it's not already there7.Keep clicking OK until the System Properties window closes.
8.Close all open programs (you might have to restart) for these changes to take effect.
9.Now you should be able to compile programs with just 'javac' and run programs with 'java' without having to be in the java bin directory. Open a new terminal window and repeat the 'Checking to see if Java is installed' section to make sure everything works.
For MAC OSX 10.5 (Leopard)
1.Updates to Java are included in Mac OS X's Software Updates. If you are running an old version of Java, you should use the Software Update tool to get the latest version.
2.Once you have updated, follow the instructions below for making Java 6 the default installation.
Java Runtime Mac Os
Make Java 6 the Default
How To Download Java For Mac
1.Open the Java Preferences utility which can be found by going to /Applications/Utilities/ or doing a search for Java Preferences.
1.There should be two lists present in the Java Preferences window - the top one is labeled 'Java Applet Plugin' and the bottom one is labeled 'Java Applications'. In the bottom window, and drag the version named 'Java SE 6' to the top if it is not already so.
2.Exit Java Preferences.
3.Open a new terminal window and repeat the 'Checking to see if Java is installed' section to make sure everything works.