Our SHA-1 Root certificates were included in Java JRE 1.5.0_8(1.5.0, aka 5.0, Update 8):
We are also mentioned in the Release Notes:
Our SHA-2 Root certificates are now included in Java starting with Java JRE 1.8.0_51-b16 (1.8.0 , aka 8.0, update 51 )