Java tutorial
import java.util.Arrays; public class Main { public static void main(String[] args) { // initializing sorted char array char charArr[] = { 'a', 'c', 'd', 'e', 'f' }; // value to search char searchVal = 'e'; // entering the range of index int retVal = Arrays.binarySearch(charArr, 1, 5, searchVal); System.out.println("The index of e is : " + retVal); } }