Variable Scope In programming, scope of variable means the boundary of code within which the variable can be accessed. It is the visibility of variable. Ther… Read more »

Header File Header file in c is a separate file with .h extension. Header file contains functions used by different source file commonly. Its advantage is re-u… Read more »

Function in c++ A function in C/C++ is a separate block of code which only runs when it is called. A function is called by its name. Function is written to p… Read more »

Why we need array in C++ Suppose you have to calculate average of four numbers. What will you do? You will declare four int variables to store four numbers, th… Read more »

for loop Loop is used when we need to execute a code block multiple times. For loop in C/C++ is very specialized while loop. What is loop? Loop as for loop is … Read more »

Why we need do while loop We have seen that there may be certain situations when the body of while loop does not execute even a single time. It happens when co… Read more »

Loop in C++ A loop in programming languages is used to repeatedly execute a statement(s) as long as a given condition is true. In C++, three types of loops are… Read more »

Switch Statement In switch statement, first expression inside parenthesis is evaluated and its value is compared with different switch cases inside switch body… Read more »

If else Statement In if statement, body code is executed only if condition is true. However, no code is executed when condition is false. For this C++ provide … Read more »

If Statement In C/C++, statement is used to execute a particular block of code if a certain condition is true. Three types of statements are used in C/C++  If … Read more »

String A string in c/c++ is a variable used to store text string surrounded by double quote (“).  Write a C++ Program to cover following concepts of C++ strin… Read more »

Logical Operators Using conditional operators we can check single condition whether true or false. If there are multiple conditions (compound condition) than l… Read more »

Ternary Operators Ternary operators are also called conditional operators or comparison operators or relational operators. These operators are used to check wh… Read more »