Updating java on mac os x
Adobe and Apple have worked together to ensure that you can install Java at OS install time.Or it can be installed later before you install Adobe applications.Many Adobe applications depend on the Oracle Java Runtime Environment (JRE) for some features to work.Apple recently changed the way it includes Java in Mac OS, and with Lion, Java is no longer preinstalled.Click Repair Now or Update button to update the location and resolve the issue.When prompted for password, enter your system password to complete.
Are you assuming that because there is not Pref Pane, it isn't installed?
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This is primarily because the font rendering on Java 6 has full subpixel LCD antialiasing, whereas Java 7 and 8 does not.(If you're curious about the difference: Java 6 performs rendering with Quartz, where in addition to slightly changing the colors, the fonts are rendered with subpixel LCD antialiasing.
This might be the JDK bug tracking this: https://bugs.net/browse/JDK-8023794).