6.4.7 I'm not sure how to start this. Please answer every part using the given format, thank you.

Write a method called findMultipleOfThree that returns the index of the last value in the array that is a multiple of 3. If no index of 3 exists, return -1 For example, in the array [4, 7, 9, 7, 12] the last multiple of three is '12', which occurs at index 4. Sample output: The following index holds the LAST multiple of 3: 4 TB Status: Not Submitted 6.4.7: Find the Last Multiple... Sve Sum Continue E ES 1 public class LastMultipleOfThree 2.1 3 4 public static void main(String[] args) 5- 6 int numbers1 - 76, 75, 3, 17, 12, 22, 7); 7 System.out.print("The following index holds the LAST multiple of 3: LastMutipleorThree.java } 9 10 11 12 13 14 15) public static int FindMultipleOfThree(int arr) { // your code goes here! 1 So 31 MacBook Pro 3: 5% 2 3 $ 4 5 6 7 8 Q W E R. T Y