To do this, you can use the Do While loop until the next number is less than or equal to 10. In programming, loops are used to repeat a block of code. This means that the do...while loop will execute its statements at least once, even if the condition is false. 3.1. ADVERTISEMENT. Reference > Language > Structure > Control structure > Dowhile do...while [Control Structure] Description. The do while loop stops execution exits when a boolean condition evaluates to false. The general DO-loop has a form as follows: DO statements END DO Between DO and END DO, there are statements. If there is not a condition to end the loop, the computer will be sent through an infinite loop. Do While Loop Examples. General DO-Loop with EXIT. This is a more effective way to construct the loop with the condition at the beginning to be checked before the procedure is executed. But, to use it properly, you need to be very careful, since it may never stop. The below flowchart will help you understand the functioning of the do-while loop. begin (9600); // count up to 25 in 5s do { sum = sum + 5; Serial. It’s the opposite of do until in this manner, but everything else is the same. Learn everything you need to know in this tutorial. If it is true, the code executes the body of the loop again. If you run the above example, the loop will execute for infinite and print the number repeatedly with an increment of the value.. Java Do While Loop. This tutorial will show the Do Loop. The do while loop differs significantly from the while loop because in do while loop statements in the body are executed at least once even if the condition is false. In this tutorial, you will learn about while loop and do...while loop with the help of examples. Here's the basic syntax for a do while loop: The variable money and newCounter are initialized with an initial value of 10000 and 0 respectively. In the first syntax “Do Until” loop checks the condition first and gets the condition result is TRUE or FALSE. do-while (PHP 4, PHP 5, PHP 7, PHP 8) do-while loops are very similar to while loops, except the truth expression is checked at the end of each iteration instead of in the beginning. These statements are executed over and over without any chance to get out of the DO-loop. Loops are control flow statements that allow code to be executed repeatedly based on a given condition. As per the syntax, Do run the defined condition While the selected statement is TRUE and Do exit from the loop when the exit condition is TRUE. In its essence, the DoW loop takes control from the implicit loop structure of the data step to an explicit do loop with the Set Statement inside the loop. Do [Perform Some Task] Loop Until [condition] Both look very similar, and there is one simple differentiation is there. This type of loop runs until the statement at the beginning resolves to FALSE. Syntax #1 Do Until [condition] [Perform Some Task] Loop. In the case of while loop the condition is checked first and if it true only then the statements in the body of the loop are executed. Do While Loop: Example 2. Contrast with the while loop, which tests the condition before the code within the block is executed, the do-while loop is an exit-condition loop. In this quick article, we will discuss how to use a do-while loop with examples. Statement of while loop can also be a Boolean expression. Last Revision: Searching... Last Build: 2020/12/22 . Following is the example of using a Do-While loop in Visual Basic programming language to execute the block of statements based on our requirements. print ("sum = "); Serial. Statement 2 defines the condition for the loop to run (i must be less than 5). Note: In a do...while loop the condition is tested AFTER executing the statements within the loop. As discussed in the last tutorial about while loop, a loop is used for repeating a block of statements until the given loop condition returns false.In this tutorial we will see do-while loop. Do While also works when the condition becomes TRUE. It is another loop like ‘for’ loop in C. But do-while loop allows execution of statements inside block of loop for one time for sure even if condition in loop fails. 3.2. If the underlying condition is true, then the control returns to the loop otherwise exit it. In while loop, the statement is executed until the condition is true, it will stop as soon as it is false. The DO WHILE statement executes statements in a DO loop repetitively while a condition is true, checking the condition before each iteration of the DO loop. Suppose you want to add the first ten positive integers using the Do While loop in VBA. Syntax: do { // loop body update_expression } while (test_expression); CONTINUE READING BELOW. The only difference is that Do-While Loop in Java executes the code block at least once since it checks the condition at the end of the loop. Copy and paste it into the module. This post is devoted to exploring the DoW Loop by example and the flexibility that it holds. The do while loop also contains one condition which can true or false. The loops are the While, Do Loop, and For loop. Do-While Loop in Java is another type of loop control statement. In the following, I will use the example data below. A do while loop is almost exactly the same as a do until loop—there’s just one crucial difference. If you do not know the number of times you need to execute a block of code, then you will be using Do While loops. Syntax. In this example the Do Loop will format cells with a green background. The statement is given in the do while loop, the statement execute for one time after that it only gets executed when the condition is true. Dim myNumber As Integer = 0 Do myNumber += 1 Console.WriteLine(myNumber) Loop While myNumber < 10 Do Until myNumber = 10 myNumber += 1 Console.WriteLine(myNumber) Loop Console.ReadLine() This is similar to the above example, however this time when the first loop executes and reaches 10, the second loop will not execute because myNumber is already 10. Do Until Loop Although not used very often on this site, you might find yourself in a situation where you want to use the Do Until Loop in Excel VBA . In this example, we are trying to replicate the functionality of the Example of the Do while loop illustrated above however using the do until loop. Syntax #2. In this example, we have checked the value of the variable, and when the value is equal or greater than 7, the code entered the IF…ELSE block and executed the BREAK statement, and so it exited the loop immediately. This process is repeated as long as the expression evaluates to true. Loops in Java come into use when we need to repeatedly execute a block of statements. Syntax do { //statement block } While(condition); 3.3. Edit This Page. Java do-while loop is an Exit control loop. Statement 3 increases a value (i++) each time the code block in the loop has been executed. Syntax. Therefore, unlike for or while loop, a do-while check for the condition after executing the statements or the loop body. Warning Make sure that the loop has a condition that will end the loop. For example, if we want to print a table of particular numbers then with without loops, we had to do calculations multiple times and write different print statements, but with the help of loop, we can write 2-3 lines of code specifying the conditions for the table to print with different iterative variables. As soon as the number is greater than 1o, your loop would stop.