The while loop evaluates the test expression inside the parenthesis (). A while loop has no built-in loop control variable as there is with the for loop; instead, an expression needs to be specified similar to a test expression specified in a for loop. The while loop is mostly used in the case where the number of iterations is not known in advance. The Do While loop in C Programming will test the given condition at the end of the loop. In this article. Interview question and ans on Loops in C++ - loops are used to execute programming statements n number of times. while (condition) {. There are 3 loops in C++, for, while, do-while. Loops are handy because they save... C# While Loop. The syntax of the while loop is: while (condition) { // body of the loop } Here, A while loop evaluates the condition; If the condition evaluates to true, the code inside the while loop is executed. To perform a particular task or to run a specific block of code several times, the... 2. Mail us on hr@javatpoint.com, to get more information about given services. If the given condition is false, then it … The statements defined inside the while loop will repeatedly execute until the given condition fails. The while loop is mostly used in the case where the number of iterations is not known in advance. If the number of iteration is not fixed and you must have to execute the loop at least once, it is recommended to use do-while loop. In the example below, the code in the loop will run, over and over again, as long as a variable ( i) is less than 5: Running a while loop without a body is possible. In general, a while loop allows a part of the code to be executed multiple times depending upon a given boolean condition. The C while loop is used when you want to execute a block of code repeatedly with a checked condition before making an iteration. The process goes on until the test expression is evaluated to false. */ while(i<=6) { cout<<"Value of variable i is: "<
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