Installer Java For Mac

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Mac

Introduction

Java is the most widely used general purpose, secured, robust, object-oriented language which was developed by Sun Microsystems in 1990. Java is portable which means it follows write once run anywhere paradigm. The latest version is java9 which was released on September 21,2017. In this tutorial, we will learn the installation process of Java on MacOS.

  1. To run the installer command, we must have the super user privileges. For that purpose, sudo is used which prompts the user to fill the admin password. The command installs brand new Java 9 on our MacOS. 4) Checking java version. To confirm, whether java is installed on the computer or not, we may use the java -version command as shown below.
  2. Java is a runtime environment maintained by Oracle that you must install on your Mac to be able to run applications written using the Java programming language. Moreover, Java allows developers to make apps available on multiple operating systems at the same time because Java-based 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. One of the functions of Java Preferences was to set the current version of the JRE. Under Oracle Java, only a single version of the JRE can be.

Prerequisites

  • MacOS
  • Login as an administrator in terminal

Installation

There are the following steps used to install Java on MacOS.

Install

1) Download The latest version

We can visit the official website of oracle by simply pasting the link in the browser's search bar: http://www.oracle.com/technetwork/java/javase/downloads/jdk9-downloads-3848520.html and download the disk image file for MAC Operating System.

2) Mount the dmg file

The downloaded file is in .dmg format that is disk image file. On Mac Operating system, we can't install the dmg files by using installer command.

Installer command is used with the files that are in package format. To get the file in the desired format, we need to mount the file by using following command.

Machine

Hdiutil command is used with the option -mount to get the disk image file mounted. When we run this command, we'll get a mounted file with the same name but in the .pkg format. This file is located inside Volumes directory.

3) Install the Package

Installer command is used to install the package. This can be done as shown below.

This command is used with the target option which represents the location where the package is to be installed. In this case, we are installing the package in the root directory. To run the installer command, we must have the super user privileges. For that purpose, sudo is used which prompts the user to fill the admin password. The command installs brand new Java 9 on our MacOS.

4) Checking java version

To confirm, whether java is installed on the computer or not, we may use the java -version command as shown below.

5) Unmount the Disk Image File

Hdiutil command with unmount option is used to unmount the disk image file. Unmounting frees the volume which was used to store the package when we were installing the package.

Now if we search for the pkg file in the Volumes directory then we are not going to find it.

Extra Info

Installer Java For Mac Os

To use the java complier, we can simply type javac in the terminal. To Execute the java files, we can use java tool by simply typing, java <file-name> .

This is how, we can use java on MacOS installing through terminal.


Next TopicHow to Install Python on Mac

Install Java Mac 10.6.8


Java, a runtime environment that works 'behind the scenes' to let you use many Web sites, online services, and applications, is no longer built in with Macintosh operating systems. Apple's October 2012 software update removes the Java plugin from all Web browsers.

Following recent security vulnerabilities with Java, we recommend that Mac OS X users check their version of Java and keep it up-to-date. If Java is not installed, we recommend that you postpone installing it until absolutely necessary. If you currently have Java installed on your computer, but are not using it, we recommend disabling it. More...

Java Update Mac Sierra

Follow the instructions below to download and install the latest version of Java for Mac.

Installer Java For Mac Installer

  1. Verify whether you have the current version of Java through the Java Web Site:
    http://www.java.com/en/download/installed.jsp
  2. If you do not have the current version of Java, go to the Download Java for Mac OS X page: http://www.java.com/en/download/mac_download.jsp?locale=en
  3. Review the End User Agreement, then click Agree and Start Free Download. The file will save to the Downloads folder of your computer.
  4. On your computer, locate and open (double-click) the Java for Mac installer (jre-7u9-macosx-x64.dmg). A Finder window will open and display the contents of the installer.
  5. Double-click the JavaForMacOSX10.7.pkg file and follow the wizard’s prompts to install the program on your computer.
    Note: You may be asked to enter your computer’s administrator password as part of the installation process. This is not your UMass Amherst IT Account NetID or password, it is the password you use to log into your Mac. If you do not have administrator privileges for your computer, contact your IT administrator.
  6. A confirmation message will appear when the installation is complete. Click Close to exit the Java installer.

Error Java Installer Download Failed

You should now be able to use Java-dependent web sites, applications, and resources on your computer and online. If you continue to have problems, contact the IT Help Center.