How to Change Java Home Symlink

/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