checkNotNull
Ensures that an object reference passed as a parameter to the calling method is not null.
Parameters
reference
an object reference.
message
the exception message to use if the check fails; will be converted to a string using String.valueOf(Object)
Throws
if reference is null.
Ensures that an object reference passed as a parameter to the calling method is not null.
Parameters
reference
an object reference.
Throws
if reference is null.