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How to Check Java Version on a Mac

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. Click . It's the Apple icon in the upper-left of the...
Method 1 of 3:

Checking Your System Preferences

  1. How to Check Java Version on a Mac Picture 1How to Check Java Version on a Mac Picture 1
    Click
    How to Check Java Version on a Mac Picture 2How to Check Java Version on a Mac Picture 2
    . It's the Apple icon in the upper-left of the top menu bar. This opens a drop-down menu.
  2. How to Check Java Version on a Mac Picture 3How to Check Java Version on a Mac Picture 3
    Click System Preferences. It's the second option from the top of the drop-down menu.
  3. How to Check Java Version on a Mac Picture 4How to Check Java Version on a Mac Picture 4
    Click the Java icon. It's the icon with the blue coffee cup and orange steam. Clicking it opens the Java Control Panel in a new window.
    1. If you don't see the Java icon, you do not have Java installed.
  4. How to Check Java Version on a Mac Picture 5How to Check Java Version on a Mac Picture 5
    Click the Update tab at the top. This screen will tell you if you what version of Java you have, and if you need to update Java.
    1. If there is an update available, follow the instructions to update to the latest recommended version of Java. You can also check the box for "Check for Automatic Updates" so your version will always be updated to the latest versions when they are available.
Method 2 of 3:

Reviewing the Java Website

  1. How to Check Java Version on a Mac Picture 6How to Check Java Version on a Mac Picture 6
    Open the Safari browser on your Mac. It's the app with an icon that looks like a blue compass.
  2. How to Check Java Version on a Mac Picture 7How to Check Java Version on a Mac Picture 7
    Go to https://www.java.com/en/download/installed.jsp in Safari. Type https://www.java.com/en/download/installed.jsp in the address bar and press ⏎ Return.
  3. How to Check Java Version on a Mac Picture 8How to Check Java Version on a Mac Picture 8
    Click Verify Java Version. It's a red button in the center of the page. This may prompt a pop-up window asking if you want to run Java on this page.
  4. How to Check Java Version on a Mac Picture 9How to Check Java Version on a Mac Picture 9
    Click Run, to confirm. The website will detect what version of Java you are running and recommend an update if needed.
Method 3 of 3:

Getting Information from Your Terminal

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    Click Spotlight
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    in the top-right of the menu bar. This will open a search bar allowing you to search your computer.
  2. How to Check Java Version on a Mac Picture 12How to Check Java Version on a Mac Picture 12
    Enter Terminal in the search bar. As you type, search results will filter below the search bar.
  3. How to Check Java Version on a Mac Picture 13How to Check Java Version on a Mac Picture 13
    Double-click Terminal
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    . It's the icon of a small black box with a white command prompt in the corner. This will open your Mac's Terminal.
  4. How to Check Java Version on a Mac Picture 15How to Check Java Version on a Mac Picture 15
    Type java -version and press ⏎ Return. This command will tell you what version of Java your Mac is currently running.
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