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The do...while loop is a variant of the while loop with one important difference: the body of do...while loop is executed once before the condition is checked. Its syntax is: do { // body of loop; } while (condition);
Syntax. do { // code block to be executed. } while (condition); The example below uses a do/while loop. The loop will always be executed at least once, even if the condition is false, because the code block is executed before the condition is tested: Example. int i = 0; do { cout << i << "\n"; i++; } while (i < 5); Try it Yourself »
The basic syntax of C++ do while loop is as follows: do{ //code }while(condition); The condition is test expression. It must be true for the loop to execute. The { and } mark the body of do while loop. It comes before the condition. Hence, it is executed before the condition.
Syntax: do. { // loop body. update_expression; } . while (test_expression); Note: Notice the semi – colon (“;”) in the end of loop. The various parts of the do-while loop are: Test Expression: In this expression, we have to test the condition.
The C++ do-while Loop Examples is distinct from the other loop types in C++ because it ensures that the code inside the loop will be executed at least once, regardless of the situation. Other loop types include for, while, and others.
In this tutorial we will see do-while loop. do-while loop is similar to while loop, however there is a difference between them: In while loop, condition is evaluated first and then the statements inside loop body gets executed, on the other hand in do-while loop, statements inside do-while gets executed first and then the condition is evaluated.
The do while loop is a variant of the while loop that executes the code block once before checking the condition. Then it will repeat the loop as long as the condition is true. Syntax. Here's the basic syntax for a do while loop: do { // body of the loop} while (condition);
A do while statement is a looping construct that works just like a while loop, except the statement always executes at least once. After the statement has been executed, the do-while loop checks the condition.
Syntax. Explanation. When control reaches a do statement, its statement will be executed unconditionally.
The do-while loop is a “post-test loop:” It executes the code block once, before checking if the applicable condition is true. If the condition is true, then the program will repeat the loop. If the condition proves false, the loop terminates. do { // code. } while (condition);