The following code appears in the main method of the same class:

public static int search(ArrayList list, String target) { for (int i = 0; i < list.size(); i++) { if (list.get(i).equals(target)) { return i; } } return -1; } 

The following code appears in the main method of the same class:

ArrayList vals = new ArrayList(); vals.add("define"); vals.add("explain"); vals.add("justify"); vals.add("explain"); vals.add("determine"); vals.add("justify"); System.out.println(search(vals, "explain"));

What is printed when this code is executed?

• 2

• 1

• -1

• 4

• 3