$3$ Array Algorithms

Process data in an array.

What would be the result of the following code snippet?

int$[]$ ages $=\{50,40,30,20,10\}$; Arrays.sort$($ages$)$; int location $=$ Arrays.binarySearch$($ages$,20)$; System.out.println$($location$)$;

a$.)$

$2$

b$.)$

$4$

c$.)$

$3$

d$.)$

$1$