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What is Do While loop with example?
The do while loop checks the condition at the end of the loop. The do while loop is an exit controlled loop, where even if the test condition is false, the loop body will be executed at least once. An example of such a scenario would be when you want to exit your program depending on the user input.
How do you make a while loop in C explain?
A while loop in C programming repeatedly executes a target statement as long as a given condition is true.
- Syntax. The syntax of a while loop in C programming language is − while(condition) { statement(s); }
- Flow Diagram. Here, the key point to note is that a while loop might not execute at all.
- Example. Live Demo.
How can you tell how many times a loop will run?
The outer loop executes 2 times and each time the outer loop executes the inner loop executes 3 times so this will print 2 * 3 = 6 stars. The formula for calculating the number of times the inner loop executes is the number of times the outer loop repeats multiplied by the number of times the inner loop repeats.
What is an example of while loop?
A while loop is a control flow structure which repeatedly executes a block of code indefinite no. of times until the given condition becomes false. For example, say, you want to count the occurrence of odd numbers in a range. Some technical references call it a pre-test loop as it checks the condition before every iteration.
Do WHILE loop syntax?
Following is the syntax of a do…while loop − do { // Statements }while (Boolean_expression); Notice that the Boolean expression appears at the end of the loop, so the statements in the loop execute once before the Boolean is tested.
What does while loop mean in Python?
While Loop: In python, while loop is used to execute a block of statements repeatedly until a given a condition is satisfied. And when the condition becomes false, the line immediately after the loop in program is executed.
Do WHILE LOOP CPP?
In this tutorial, we will learn about Nested do while loop in Cpp language In C programming language, one do-while loop inside another do-while loop is known as nested do -while loop initially, the initialization statement is executed only once and statements (do part) execute only one. Then, the flow of control evaluates the test expression.