Java tutorial
import java.util.Arrays; public class Main { public static void main(String[] args) { // initializing sorted double array double doubleArr[] = { 5.4, 5.5, 9.2, 9.3, 35.4 }; // value to search double searchVal = 5.4; // entering the range of index int retVal = Arrays.binarySearch(doubleArr, 1, 3, searchVal); System.out.println("The index of element 5.4 is : " + retVal); } }