va code 8. Given an existing ArrayList named friendList, find the first index of a friend named Sasha and store it in a new variable named index. 9. Given that an ArrayList of Integers named numberList has already been created and several values have already been inserted, write the statement necessary to insert the value 25 at the end of the list. 10. Declare an integer array named evens and fill it with even numbers from 2 through 10 in one statement. 11. Given an existing array named pet
Java code
8. Given an existing ArrayList named friendList, find the first index of a friend named Sasha and store it in a new variable named index.
9. Given that an ArrayList of Integers named numberList has already been created and several values have already been inserted, write the statement necessary to insert the value 25 at the end of the list.
10. Declare an integer array named evens and fill it with even numbers from 2 through 10 in one statement.
11. Given an existing array named pets, find the size of the array and store it in a new variable named numPets.
12. Given an existing ArrayList named contactList, find the number of contacts in the ArrayList and store it in the existing variable named numContacts.
![Fill in the blank to complete the following method that takes an
array of integers and returns the average as a double:
public static double getAverage (int[] array) {
double avg = 0;
for (-
avg + array[1];
avg /- array.length;
return avg;](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc3acae65-05d5-4940-8762-2c9a874e450a%2Fc9fe4e5a-37cd-4f1a-84b8-86e579abd32d%2F8igzqa6_processed.jpeg&w=3840&q=75)
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