20 most common interview questions and answers for freshers
1. What are the SDLC models present? Ans. Waterfall Model, Spiral Model, Big-bag model, Iterative Model, and V- Model are some of the famous SDLC models. 2. What are the...
How to write string programs in C
A String in C is basically a sequence of characters/symbols which is terminated with a null character \0. E.g., char str = “this is a string” Let us see how...
Cisco interview questions for freshers
Thousands of job seekers apply every year to Cisco where their skills are tested and thoroughly. Here we will be discussing some of the important questions that were commonly asked...
Contest Winner
CONCEPTS USED: Josephus Problem DIFFICULTY LEVEL: Hard PROBLEM STATEMENT(SIMPLIFIED): Given a circular linked list containing N elements from 1 - N arranged in increasing order and an integer M. Your...
20 Must Practice basic C++ Programs for beginners
1. Beginning of any programming language deals with your first “Hello World!”. Can you print this “Hello World!” in C++? Ans. (Main function is always executed first) #include<iostream.h> using namespace...
How to start coding for beginners
Ah! The most popular phase nowadays. Right? Coding has now become an important subject in itself. It not only helps you to clear your thinking process but also increases your...
10 simple c++ programs for beginners
C++ is one the most popular languages in the programming world. In this article we will be looking towards 10 simple programs for beginners in CPP. Adding to numbers in...
A Brief Introduction to Linked Lists
Introduction The linked list is one of the most important concepts and data structures to learn while preparing for interviews. Having a good grasp of Linked Lists can be a...
Top 50 OS interview questions and answers
 Explain the main purpose of the Operating system?Ans. OS is used for communication between the computer systems and their peripherals and also provides an environment for the development and...
What is the difference between core java and advanced java?
Java being one of the most popular languages is sometimes quite intimidating. Most of you must have heard or even used both core java and advanced java concepts at some...
20 Must Practice basic Java Programs for beginners
Write a program to swap two numbers in Java. Ans. Two ways to do this -with third variable and without third variable. public static void swapNumberswithtemp(int a, int b) {...
Aman String
Concepts Used Strings Difficulty Level Easy Problem Statement (Simplified): Find the total number of pairs of indexes (i , j) such as subString(i , j) contains aman atleast once. See...