while loop in c example program

The simplest of three loops in C Language is the C while loop.In common language while has fairly obvious meaning: the while-loop has a condition:. Let us write a C program to print natural numbers from 1 to 10 using while loop. Syntax of while loop in C programming language is as follows: This is the basic difference between while loop and do while loop. The do-while loop . 3. While loop in C programming Loop executed 1 time Loop executed 2 time Loop executed 3 time Loop executed 4 time Control came out from while loop. Here the C statements can be executed only if condition is True or satisfied. 4.1. The "While" Loop . The only difference is that in do-while loop, the test condition is evaluated at the end of loop. In this tutorial, we will learn the syntax of while loop, its execution flow using flow diagram, and its usage using example programs. Usually the condition changes during the execution of the statement so next time while checking the condition we may get a False output. while (condition) { statements; } If the statements are executed while the condition has the value “true” (1).The first important thing about this while loop is that has a conditional expression (something like (a > b) etc… While loop is very useful, when the number of times the statements in the loop has to be executed is not known in advance. The for loop While Loop in C. A while loop is the most straightforward looping structure. These are three methods by way of which we can repeat a part of a program. while loop in C programming Using while loop we will check the condition first and then execute the statement. Here the C statements can be executed once even if condition is not satisfied. The variable n initialized with value 1, and then printf statement executed and displayed the message “While loop in C programming” to the screen. 2. The Loop Control Structure in C programming. 'C' programming language provides us with three types of loop constructs: 1. While loop in C starts with the condition, if the condition is True, then statements inside the while loop will be executed. C Do-While Loop. The general form of for statement is as under: C While Loop. The while loop in C Programming is to repeat a block of statements for a given number of times until the given condition is False. do while loop in C programming Using do while loop we will execute the statement first and then check the condition. Loops in C/C++ come into use when we need to repeatedly execute a block of statements.. During the study of ‘for’ loop in C or C++, we have seen that the number of iterations is known beforehand, i.e. Condition is a boolean expression which evaluates to either true or false. A "While" Loop is used to repeat a specific block of code an unknown number of times, until a condition is met. Read more about C While Loop. C While loop statement lets programmers to execute a block of statements repeatedly in a loop based on a condition. Program using the while loop For example, if we want to ask a user for a number between 1 and 10, we don't know how many times the user may enter a larger number, so we keep asking "while the number is not between 1 and 10". the number of times the loop body is needed to be executed is known to us.The while loop in C/C++ is used in situations where we do not know the exact number of iterations of loop … while loop in c language i.e syntax, flow chart and simple example program The do-while loop is similar to while loop. The while loop . Write a program in C to multiply two numbers without actually using the * operator but have to use both the while and do-while loops. They are: Using a for Loop; Using a while Loop; Using a do-while Loop; C for Loop. The specified condition determines whether to execute the loop body or not. Example program to demonstrate while loop. 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January 8, 2021