Java tutorial
import java.util.Arrays; public class Main { public static void main(String[] args) { int intArray[] = { 1, 2, 4, 5 }; Arrays.sort(intArray); int searchValue = 2; System.out.println(Arrays.binarySearch(intArray, searchValue)); searchValue = 3; System.out.println(Arrays.binarySearch(intArray, searchValue)); } }