import java.util.Arrays; public class Main { public static void main(String[] argv) { String[] sortedArray = new String[] { "a", "b", "c", "d" }; int index = Arrays.binarySearch(sortedArray, "c"); index = Arrays.binarySearch(sortedArray, "e"); int[] sortedIntArray = new int[] { 1, 2, 3, 5, 7 }; index = Arrays.binarySearch(sortedIntArray, 6); } }