Java BitSet | HackerRank Programming Solutions | HackerRank Java Solutions

Hello Programmers/Coders, Today we are going to share solutions of Programming problems of HackerRank of Programming Language Java . At Each Problem with Successful submission with all Test Cases Passed, you will get an score or marks. And after solving maximum problems, you will be getting stars. This will highlight your profile to the recruiters.

In this post, you will find the solution for Java BitSet-HackerRank Problem. We are providing the correct and tested solutions of coding problems present on HackerRank. If you are not able to solve any problem, then you can take help from our Blog/website.

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Introduction To Java

JAVA was developed by James Gosling at Sun Microsystems Inc in the year 1991, later acquired by Oracle Corporation. It is a simple programming language. Java makes writing, compiling, and debugging programming easy. It helps to create reusable code and modular programs.

Java is a class-based, object-oriented programming language and is designed to have as few implementation dependencies as possible. A general-purpose programming language made for developers to write once run anywhere that is compiled Java code can run on all platforms that support Java. Java applications are compiled to byte code that can run on any Java Virtual Machine. The syntax of Java is similar to c/c++.

Link for the ProblemJava BitSet- Hacker Rank Solution

Java BitSet- Hacker Rank Solution

Problem :

Java’s BitSet class implements a vector of bit values (i.e.:  () or  ()) that grows as needed, allowing us to easily manipulate bits while optimizing space (when compared to other collections). Any element having a bit value of  is called a set bit.

Given  BitSets,  and , of size  where all bits in both BitSets are initialized to , perform a series of  operations. After each operation, print the number of set bits in the respective BitSets as two space-separated integers on a new line.

Problem Statement: Click Here.

Java BitSet- Hacker Rank Solution
import java.util.*;

class Solution {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int m = sc.nextInt();
        BitSet[] bits = {new BitSet(n), new BitSet(n)};

        for (int i = 0; i < m; i++) {
            String operation = sc.next();
            int x = sc.nextInt();
            int y = sc.nextInt();

            switch (operation) {
                case "AND":
                    bits[x - 1].and(bits[y - 1]);
                    break;
                case "OR":
                    bits[x - 1].or(bits[y - 1]);
                    break;
                case "XOR":
                    bits[x - 1].xor(bits[y - 1]);
                    break;
                case "FLIP":
                    bits[x - 1].flip(y);
                    break;
                case "SET":
                    bits[x - 1].set(y);
                    break;
                default:
                    break;
            }
            System.out.println(bits[0].cardinality() + " " + bits[1].cardinality());
        }
    }
}

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