Define a class to initialize the following data in an array. Search for a given character input by the user, using the Binary Search technique. Print “Search…

ICSE Class 10 Computer Applications PYQ · 2025 Paper · Section B

6Written · 2025 · Section B · 2025 Paper

Define a class to initialize the following data in an array.
Search for a given character input by the user, using the Binary Search technique.
Print “Search successful” if the character is found otherwise print “Search is not successful”.
‘A’, ‘H’, ‘N’, ‘P’, ‘S’, ‘U’, ‘W’, ‘Y’, ‘Z’, ‘b’, ‘d’

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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.next().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");
    }
}
BlueJ output of Search.java BlueJ output of Search.java
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