/Library/Java> ll /Library/Java/JavaVirtualMachines
total 0
drwxr-xr-x 3 root wheel 96B Sep 6 16:47 jdk1.7.0_80.jdk
drwxr-xr-x 3 root wheel 96B Jul 12 2017 jdk1.8.0_131.jdk
/Library/Java> ll
total 0
drwxr-xr-x 2 root wheel 64B Jul 15 2017 Extensions
lrwxr-xr-x 1 root wheel 64B Jul 12 2017 Home -> /Library/Java/JavaVirtualMachines/jdk1.8.0_131.jdk/Contents/Home
drwxr-xr-x 4 root wheel 128B Nov 12 23:48 JavaVirtualMachines
/Library/Java> sudo rm Home
/Library/Java> ll
total 0
drwxr-xr-x 2 root wheel 64B Jul 15 2017 Extensions
drwxr-xr-x 4 root wheel 128B Nov 12 23:48 JavaVirtualMachines
/Library/Java> sudo ln -s /Library/Java/JavaVirtualMachines/jdk1.7.0_80.jdk/Contents/Home
/Library/Java> ll
total 0
drwxr-xr-x 2 root wheel 64B Jul 15 2017 Extensions
lrwxr-xr-x 1 root wheel 63B Jan 16 16:22 Home -> /Library/Java/JavaVirtualMachines/jdk1.7.0_80.jdk/Contents/Home
drwxr-xr-x 4 root wheel 128B Nov 12 23:48 JavaVirtualMachines