Question $3$: Java uses call by value. What is the value that is being passed into routine by the method call in the following?

double$[]$ rats $=\{1\mathrm{.}2,3\mathrm{.}4,5\mathrm{.}6\}$;

routine$($ rats $)$;

A copy of the array rats

The value of the elements of Rats

A reference to the array object rats

$1\mathrm{.}2$