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    while loop

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    Original:
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    Exécute une boucle .
    Original:
    Executes a loop.
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    Utilisé lorsque le code doit être exécuté plusieurs fois tant qu'une condition est présent .
    Original:
    Used where code needs to be executed several times while some condition is present.
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    Syntaxe

    while ( cond_expression ) loop_statement

    Explication

    cond_expression doit être une expression dont le résultat est convertible en bool. Il est évaluée avant chaque exécution de loop_statement, qui est exécutée seulement si le cond_expression évalue à true .
    Original:
    cond_expression shall be an expression, whose result is convertible to bool. It is evaluated before each execution of loop_statement, which is only executed if the cond_expression evaluates to true.
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    Si l'exécution de la boucle doit être mis fin à un certain moment,
    instruction break
    Original:
    break statement
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     peut être utilisé comme terminaison déclaration .
    Original:
    If the execution of the loop needs to be terminated at some point,
    instruction break
    Original:
    break statement
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     can be used as terminating statement.
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    Si l'exécution de la boucle doit être poursuivie à la fin de la boucle,
    instruction continue
    Original:
    continue statement
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     peut être utilisé comme raccourci .
    Original:
    If the execution of the loop needs to be continued at the end of the loop body,
    instruction continue
    Original:
    continue statement
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     can be used as shortcut.
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    Mots-clés

    while

    Exemple

    #include <iostream>

int main()
{
    int i = 0;
    while (i < 10) i++;
    
    std::cout << i << '\n';
    
    int j = 2;
    while (j < 9) {
        std::cout << j << " ";
        j += 2;
    }
}

    Résultat : 

    10
2 4 6 8