Posts by **Harsh Gupta**

**Author Biographical Info: **Not available

We are given an array of positive integers and our task is to find the numbers which appear prime number of times and whose frequency is greater than or equal to a given number .... Read More

There are several ways to check whether the entered string is a number or not in Java program. Here I have mentioned three methods to do so. METHOD-1: We can parse String to Double.... Read More

In this tutorial, we will learn const_cast in C++ with examples. There are 4 types of casting operators as follows: 1. const_cast 2. static_cast 3. dynamic_cast 4. reinterpret_cast.... Read More

Bit plays a very important role while solving programming problems. In this article, we have discussed how to check whether the kth bit of a number is set or not in Python. We have.... Read More

In this article, we will learn Brian and Kerningham Algorithm to count the number of set bits of a number in Java. Java program to count set bits in an integer using Brian and Kern.... Read More