here is the previous code it was referring to

RUN CODE TEST CASES ASSIGNMENT DOCS GRADE MORE 5 points Status: Not Submitted In this exercise, you will code a modified version of sequential search from the previous example. Here you should implement a method to do sequential search on an ArrayList of doubles and return the index of the search double, or -1 if it isn't found. 8.2.3: Linear Search on Array... public int search(ArrayList list, double key) 2 { return 0; 4 } 1 public class LinearSearchtends ConsoleProgram public void run() int[) arr = (9, 5, 7, 6, 3, 1, 4, 8); int indexi = linearSearch(arr, 6); System.out.printin(index1); 10 int index2 = linearSearch(arr, 5); System.out.println(index2); 11 int index3 - linearSearch(arr, 70); System.out.println(index3); /** * This method takes an array called array and a * key to search for, and returns the index of * key if it is in the array or -1 if it is not * found. */ public int linearSearch(int[] array, int key) { for (int i = 0; i