MAC OS Setup JDK summary

Start tossing Mac Pro, find some information on the Internet, I also tried a bit, special here to do a summary.

• The location of the JDK in your Mac

OSX default JDK

/System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK/Home

This is actually a symbolic link, which points to:

/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home

OS x comes with a JRE

/System/Library/Frameworks/JavaVM.framework/Versions/Current

Oracle's JDK7

/Library/Java/JavaVirtualMachines/jdk1.7.0_xx.jdk/Contents/Home

Oracle's JRE7

/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home

OPENJDK7

/Library/Java/JavaVirtualMachines/jdk1.7.0.jdk/Contents/Home

• Setting environment variables

Set global variables for all users in your Mac:

Vi/etc/profile-This place is permanently active after modification and for all system users

Setting environment variables for the current user in Mac: (recommended)

VI. bash_profile

　　　

Set Java_home, PATH, and save exit after setting.

Console input source. bash_profile, the configuration information is in effect.

Check environment variables: Echo $PATH

Echo $JAVA _home

MAC OS Setup JDK summary