What is do while loop in C++ with example?

What is do while loop in C++ with example?

C++ do-while Loop Example

• #include
• using namespace std;
• int main() {
• int i = 1;
• do{
• cout<
• i++;
• } while (i <= 10) ;

How do you do a simple while loop in C++?

C++ do…while Loop

1. The body of the loop is executed at first.
2. If the condition evaluates to true , the body of the loop inside the do statement is executed again.
3. The condition is evaluated once again.
4. If the condition evaluates to true , the body of the loop inside the do statement is executed again.

What is an example of a while loop?

A “While” Loop is used to repeat a specific block of code an unknown number of times, until a condition is met. 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”.

What is do while loop in C?

iteration-statement: do statement while ( expression ) ; The expression in a do-while statement is evaluated after the body of the loop is executed. Therefore, the body of the loop is always executed at least once. The expression must have arithmetic or pointer type.

How do you write a while loop in C++ program?

C++ While Loop Example

1. #include
2. using namespace std;
3. int main() {
4. int i=1;
5. while(i<=10)
6. {
7. cout<
8. i++;

When would you use a Do While loop?

This kind of loop is most often used when the test doesn’t make any sense until the statements have been performed at least once. For most purposes, the while loop is preferable. For example, the user can be asked for a password by: String input; do { System.

What are the types of loops in programming?

Loops are supported by all modern programming languages, though their implementations and syntax may differ. Two of the most common types of loops are the while loop and the for loop. A while loop is the simplest form of a programming loop.

What is an example of a loop in programming?

The exact looping process and initial structuring varies between programming languages. In SQL, for example, a programmer may script these structures and execute them either as a server nested loop that is called remotely or as one on a client machine that is executed locally.

Do while function?

The while statement creates a loop that executes a specified statement as long as the test condition evaluates to true. The condition is evaluated before executing the statement. The source for this interactive example is stored in a GitHub repository.

What is while in C?

The while statement, in C#, is an iteration statement that allows for the execution of an embedded statement conditionally for zero or more times.