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A do-while loop is a control flow statement that ensures the loop's body is executed at least once before the condition is evaluated. This makes it different from other loops like the while loop, where the condition is checked before the loop body executes.
Example in C
#include <stdio.h>int main() {int i = 0;do {printf("%d ", i);i++;} while (i < 5);return 0;}Output:
0 1 2 3 4Explanation
Structure
Initialization: Initialize any loop control variables before entering the loop.
Do Block: Contains the code that will be executed at least once.
While Condition: Specifies the condition that must be true for the loop to continue iterating.
Execution Flow
Example in JavaScript
let i = 0;do {console.log(i);i++;} while (i < 5);Output:
01234Important Considerations
Do While loop Syntax - GeeksforGeeks
Feb 14, 2024 · Do While loop Syntax in C#: Syntax: do {// Code block to be executed at least once} while (condition); Explanation of the Syntax: In C#, the do while loop operates similarly to C, C++, and Java. The code block enclosed …
Difference between For, While and Do-While Loop in Programming
Apr 12, 2024 · The syntax of a while loop is straightforward: # Code to be executed while the condition is true. The do-while loop is similar to the while loop, but with one key difference: it …
C Do/While Loop - W3Schools
The do/while loop is a variant of the while loop. This loop will execute the code block once, before checking if the condition is true, then it will repeat the loop as long as the condition is true. The …
C while and do...while Loop - Programiz
In this tutorial, we will learn about while and do..while loop. The syntax of the while loop is: // the body of the loop . How while loop works? The while loop evaluates the testExpression inside the parentheses (). If testExpression is …
Java Do/While Loop - W3Schools
The do/while loop is a variant of the while loop. This loop will execute the code block once, before checking if the condition is true, then it will repeat the loop as long as the condition is true. The …
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Syntax of do while Loop - Online Tutorials Library
The for loop, on the other hand, is an automatic loop. Syntax of do while Loop. The syntax of do-while loop in C is −. do { statement(s); } while(condition); How do while Loop Works? The loop …
Loops in C: For, While, Do While looping Statements …
Aug 8, 2024 · A while loop is the most straightforward looping structure. While loop syntax in C programming language is as follows: Syntax of While Loop in C while (condition) { statements; } It is an entry-controlled loop. In while loop, a …
Do-while loop in C – Full explanation with examples …
Aug 11, 2019 · Learn how to use the do-while loop in C, a loop that executes the statements first and then checks the condition. See the syntax, examples and flow chart of the do-while loop and compare it with while and for loops.
do while loop in C Language with example programs …
We are going to use the do while loop to calculate the sum of the N (user-provided number) numbers. // 'sum' is the variable where we maintain the sum so far. First of all, We are asking the user for the number of digits the user wants …
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