binarysearch.java

// Java program to demonstrate working of Arrays.
// binarySearch() in a sorted array.
import java.util.Arrays;
  
public class GFG {
    public static void main(String[] args)
    {
        int arr[] = { 10, 20, 15, 22, 35 };
        Arrays.sort(arr);
  
        int key = 22;
        int res = Arrays.binarySearch(arr, key);
        if (res >= 0)
            System.out.println(key + " found at index = " 
                                                  + res);
        else
            System.out.println(key + " Not found");
  
        key = 40;
        res = Arrays.binarySearch(arr, key);
        if (res >= 0)
            System.out.println(key + " found at index = " 
                                                  + res);
        else
            System.out.println(key + " Not found");
    }
}