Java Programs - Solved 2025 ICSE Computer Science Paper

import java.util.Scanner;
class Search{
    public static void main(String[] args){
        Scanner in = new Scanner(System.in);
        char a[] = {'A', 'H', 'N', 'P', 'S', 'U', 'W', 'Y', 'Z', 'b', 'd'};
        System.out.print("Character to be searched: ");
        char key = in.nextLine().charAt(0);
        int low = 0;
        int high = a.length - 1;
        int mid = 0;
        while(low <= high){
            mid = (low + high) / 2;
            if(key == a[mid])
                break;
            else if(key < a[mid])
                high = mid - 1;
            else
                low = mid + 1;
        }
        if(low > high)
            System.out.println("Search is not successful");
        else
            System.out.println("Search is successful");
    }
}