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Example of DO with WHILE, UNTIL. The WHILE and UNTIL options make successive executions of the do-group dependent upon a specified condition. That is, the statements DO WHILE (A=B) and DO UNTIL (A¬=B) are not equivalent. In the following example, if A¬=B, when the DO statement is first encountered, the do-group is not executed at all Flowchart do-while loop: Example 1: This program will try to print Hello World 5 times. Dry-Running Example 1: The program will execute in the following manner. 1. Program starts. 2. i is initialized with value 1. 3. Execution enters the loop 3.a) Hello World gets printed 1st time. 3.b) Updation is done In the following example, the do...while loop iterates at least once and reiterates until i is no longer less than 5

Example of DO with WHILE, UNTI

  1. Syntax. Following is the syntax of a do...while loop −. do { // Statements }while (Boolean_expression); Notice that the Boolean expression appears at the end of the loop, so the statements in the loop execute once before the Boolean is tested. If the Boolean expression is true, the control jumps back up to do statement, and the statements in.
  2. Syntax. The syntax of a do...while loop in C++ is −. do { statement (s); } while ( condition ); Notice that the conditional expression appears at the end of the loop, so the statement (s) in the loop execute once before the condition is tested. If the condition is true, the flow of control jumps back up to do, and the statement (s) in the.
  3. g with the help of some examples. In computer program
  4. Example The following example uses Dowhile loop to check the condition at the beginning of the loop. The statements inside the loop are executed, only if the condition becomes True. Private Sub Constant_demo_Click() Do While i < 5 i = i + 1 msgbox The value of i is : & i Loop End Su
  5. Example: Iterating array using do-while loop Here we have an integer array and we are iterating the array and displaying each element using do-while loop
  6. C# while loop. The while keyword is used to create while loop in C#. The syntax for while loop is: while (test-expression) { // body of while } How while loop works? C# while loop consists of a test-expression.; If the test-expression is evaluated to true, . statements inside the while loop are executed
  7. For and while loops are examples of an entry controlled loop as the test condition is checked before entering the loop body. Lesson Summary. The do while loop checks the condition at the end of.

Java do-while loop with Examples - GeeksforGeek

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Visual Basic Do While Loop Example. 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. Module Module1. Sub Main () Dim i As Integer = 1. Do. Console.WriteLine (i value: {0}, i) i += 1. Loop While i <= 4 The DO UNTIL statement executes statements in a DO loop repetitively until a condition is true, checking the condition after each iteration of the DO loop. The DO WHILE statement evaluates the condition at the top of the loop; the DO UNTIL statement evaluates the condition at the bottom of the loop. Note: If the expression is false, the. A do while loop is similar to while loop with one exception that it executes the statements inside the body of do-while before checking the condition. On the other hand in the while loop, first the condition is checked and then the statements in while loop are executed For Example: i = i + 1; Syntax of do-while loop: Here, two keywords are used for the do-while loop statement is do and while. If the condition is true in the do-while loop, the statement executes again, and if the condition returns false, execution stops, and control passes to the next statement An example of where Until and While are useful is for checking objects. When an object has not been assigned it has the value Nothing. So when we declare a workbook variable in the following example it has a value of nothing until we assign it to a valid Workbook Dim wrk As Workboo

In the following example, if the average list price of a product is less than $300, the WHILE loop doubles the prices and then selects the maximum price. If the maximum price is less than or equal to $500, the WHILE loop restarts and doubles the prices again Sub Do_While_Loop_Example1 () Dim k As Long Do While k <= 10 Cells (k, 1).Value = k Loop End Sub Ok, we are done. For better understanding lets test this code one by one by pressing F8 key once. First press F8 key, it will highlight the macro name by yellow color Do While Java Syntax. do { //body of the code } while (condition); Here the condition is a Boolean expression that appears at the end of the loop. If the expressions are evaluated to true, the control jumps back to the do statement, and the loop is executed again. The process repeats till the Boolean expression is evaluated as false. Exampl The do...while loop will execute the code block first, and then checking if the condition is true, then it will repeat the loop as long as the condition is true. The do...while loop works in the same manner as the while loop, with the exception that the condition is tested at the end of the loop, so the do loop will always run at least once

Following is the example of using the break keyword in a do-while loop to terminate the loop's execution in the c# programming language. Console.WriteLine(Press Enter Key to Exit..); If you observe the above example, whenever the variable ( i) value becomes 2, we terminate the loop using the break statement Remarks. Use a Do...Loop structure when you want to repeat a set of statements an indefinite number of times, until a condition is satisfied. If you want to repeat the statements a set number of times, the For...Next Statement is usually a better choice.. You can use either While or Until to specify condition, but not both.. You can test condition only one time, at either the start or the end. Boucle do - while. La boucle do / whileDescription. La boucle do / while (faire tant que en anglais) fonctionne de la même façon que la boucle while, à la différence près que la condition est testée à la fin de la boucle, et par conséquent la boucle do sera toujours exécutée au moins une fois

dowhile - JavaScript MD

do while loop in java - Tutorialspoin

  1. Example. A DO WHILE loop will continue to loop unless the WHILE-part is met.This makes it easy to run forever and eat up all time from one CPU core. DO WHILE expression:. END. expression is any combination of boolean logic, comparisons, variables, fields etc that evaluates to a true value. /* This is a well defined DO WHILE loop that will run as long as i is lower than 10*/ DEFINE VARIABLE i.
  2. Let's say that you need an input from the user; e.g. a positive number. You certainly do need the number to be entered. However, the user might make a typo and enter something that's not a number—in which case, you'd like to give them another go..
  3. Both while and do while are looping constructs that execute the given set of statements as long as the given condition is true.. A while loop first checks if the condition is true and then executes the statements if it is true. If the condition turns out to be false, the loop ends right there. A do while loop first executes the statements once, and then checks for the condition to be true
  4. When you run the program, the output will be: sum = 5050. Here, the variable sum is initialized to 0 and i is initialized to 100. In each iteration of while loop, variable sum is assigned sum + i, and the value of i is decreased by 1 until i is equal to 0. For better visualization, 1st iteration: sum = 0+100 = 100, i = 99 2nd iteration: sum = 100+99 = 199, i = 98 3rd iteration: sum = 199+98.
  5. DO WHILE and DO UNTIL test the condition before executing the block of statements. Use LOOP WHILE or LOOP UNTIL when you want to execute a block of statements at least once. LOOP WHILE and LOOP UNTIL test the condition after the block of statements has been executed. Examples. DO UNTI
  6. do-while loop in C++ with example. By Chaitanya Singh | Filed Under: Learn C++. 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 loop is similar to while loop, however there is a difference.

C++ dowhile loop - Tutorialspoin

Summary: Microsoft Scripting Guy, Ed Wilson, talks about using the DoWhile statement in Windows PowerShell scripts. Microsoft Scripting Guy, Ed Wilson, is here. Last week, the Scripting Wife and I were at the Windows PowerShell Summit in Bellevue, Washington. It was an awesome week Note: The While..Do While and Do Until loops are generally used if you have no idea about the number of iterations. If you know in advance for the number of loops, the better choice can be a VBA For..Next loop. See the following section for examples and how to use all these loops: An example of VBA While loop. In this example, a variable i is. The syntax for a do while statement is: do loop_body_statement while (cond_exp); where: loop_body_statement is any valid C statement or block. cond_exp is an expression that is evaluated at the end of each pass through the loop. If the value of the expression is false (i.e., compares equal to zero) the loop is exited In this quick article, we will discuss how to use a do-while loop with examples. The do-while loop is similar to while loop, however, there is a difference between them: In a while loop, a condition is evaluated before the execution of loop's body but in a do-while loop, a condition is evaluated after the execution of loop's body The do-while loop is a post-test loop. In the do-while loop, the statements of the do-while loop are executed after that, the condition is evaluated, and if the condition is true then again the statements of the do-while loop are executed. 2. Syntax of while loop: while (condition) { // statements } Syntax of the do-while loop: do { // statement

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C++ while and dowhile Loop (With Examples

Also in C++ declarations are also statements. So you may place a declaration between the do and while. For example. int n = 10; do int i = ( std::cout << --n, n ); while ( n ); In C declarations are not statements. So you may not place a declaration between the do and while in C. And another funny exampl C Loops: While, Do While, with Example. Loops are used when we want to execute a part of the program or a block of statements several times. For example, suppose we want to print C is the best 10 times. One way to get the desired output is, to write 10 printf statements, which is not preferable.. An example. A Do While loop can have one or more conditions in its expression. Here we use 2 conditions. We continue iterating while i is positive and z is less than or equal to 8. Then In each iteration, we change the values of these variables: i is decremented by 10 and z is incremented by 3

VBA - Do-While Loops - Tutorialspoin

Example. A do while loop is the same as a while loop, except that it is guaranteed to execute at least one time.. The following loop will execute 100 times. int i = 0; do { i++; } while (i < 100); A similar loop, but with a different condition, will execute 1 time Description. The do while loop works in the same manner as the while loop, with the exception that the condition is tested at the end of the loop, so the do loop will always run at least once In most computer programming languages, a do while loop is a control flow statement that executes a block of code at least once, and then either repeatedly executes the block, or stops executing it, depending on a given boolean condition at the end of the block.. The do while construct consists of a process symbol and a condition. First, the code within the block is executed, and then the. 3.Do-While Loop. In this loop, the statement block gets executed first, and then the condition is checked. If the underlying condition is true, then the control returns to the loop otherwise exit it. 3.1. Flowchart. The below flowchart will help you understand the functioning of the do-while loop. 3.2. Synta 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. The main difference from regular while loops is that the first iteration of a do-while loop is guaranteed to run (the truth expression is only checked at the end of the iteration), whereas it may not necessarily.

Syntax of Do-While Loop in C: do { statements } while (expression); As we saw in a while loop, the body is executed if and only if the condition is true. In some cases, we have to execute a body of the loop at least once even if the condition is false. This type of operation can be achieved by using a do-while loop The Java Do-While Loop. The Java Do-While loop is almost the same in While Loop. While loop executes the code inside the bracket if the condition statement returns to true, but in the Do-While loop, the code inside the do statement will always be called. Consider the example below: int i = 0; do { System.out.println(The value of i is : + i. Do while loop is the least used control flow code. There are three kind of loops in Kotlin programming language. For Loop; While Loop; Do While Loop; In this tutorial we will learn the syntax of do while loop and some examples as well. Kotlin Do While Loop Syntax. The syntax is pretty simple and easy to understand. do{ // While code block. 1. Do Until Executes at Least Once. A fundamental difference between the Do While and Do Until is this: The Do Until executes at least once. The Do While may not execute at all. Consider the following code. Here, I set a=1 at the top. Next, I use a Do Until loop and set the condition to execute as a ne 2 The while statement evaluates expression, which must return a boolean value. If the expression evaluates to true, the while statement executes the statement(s) in the while block. The while statement continues testing the expression and executing its block until the expression evaluates to false.Using the while statement to print the values from 1 through 10 can be accomplished as in the.

do-while loop in Java with example - BeginnersBoo

  1. An explanation for the above examples for java do while : In the above sample example, value of a is 1 by the time the control comes into the do while loop. Without any checking, the control enters the loop body and prints 1. Then it is incremented by 1. From there it goes to condition part and evaluates it
  2. g Language - while, for and do while loop.C Program
  3. while expression, statements, end evaluates an expression, and repeats the execution of a group of statements in a loop while the expression is true.An expression is true when its result is nonempty and contains only nonzero elements (logical or real numeric). Otherwise, the expression is false
  4. The DO WHILE statement evaluates the condition at the top of the loop; the DO UNTIL statement evaluates the condition at the bottom of the loop. Note: If the expression is false, the statements in a DO WHILE loop do not execute. However, because the DO UNTIL expression is evaluated at the bottom of the loop, the statements in the DO UNTIL loop.
  5. 3. Do While. This is similar to the while statement. The difference is that the do..while statement must execute at least once, regardless of whether the condition to enter the loop was false.. It first begins by executing the statements given in the do{} body, and then checks if the loop-continuation condition is true. If the condition is found to be false, execution of the loop stops and.
  6. Description. example. while expression, statements, end evaluates an expression , and repeats the execution of a group of statements in a loop while the expression is true. An expression is true when its result is nonempty and contains only nonzero elements (logical or real numeric). Otherwise, the expression is false

C# while and dowhile loop (With Examples

  1. Here's the syntax of the PHP do-while statement: <?php do { statement; } while (expression); Code language: HTML, XML (xml) Unlike the while statement, PHP evaluates the expression at the end of each iteration. It means that the loop always executes at least once, even the expression is false before the loop enters
  2. A DO WHILE statement will always execute at least once. One of the most important things to note about DO/WHILE statements is that the DO block will always execute at least once. This is because the DO block comes before the WHILE condition check. Thus, it will be executed before the condition can be checked. Take a look at the following example
  3. Example. Print i as long as i is less than 6: i = 1. while i < 6: print(i) i += 1. Try it Yourself ». Note: remember to increment i, or else the loop will continue forever. The while loop requires relevant variables to be ready, in this example we need to define an indexing variable, i, which we set to 1

do while loop c example Code Answer. do-while in c . c by Comfortable Constrictor on Dec 08 2020 Donate . 0. Source: beginnersbook.com. Add a Grepper Answer . C answers related to do while loop c example c make loop; loops in c; WHILE loop in c; while loop in c; C queries related to do while loop c example. C++ > For Loops and While Loops Code Examples Displaying array elements using do-while loop C++ Code Matrix Multiplication 2D Arrays - Matrix addition is the operation of adding 2 matrices by adding the corresponding entries together. 2 dimensional array, represented. DO WHILE tests the condition at the top of the loop. If the condition is initially false, the loop is never executed. You can use a DO WHILE loop instead of the DO FOREVER loop in the example using the LEAVE Instruction. However, you need to initialize the loop with a first case so the condition can be tested before you get into the loop. In this tutorial, we will learn how to use while and do while loop in Java with the help of examples. In computer programming, loops are used to repeat a block of code. For example, if you want to show a message 100 times, then you can use a loop

Example of do while. Suppose we are building a guessing game that allows a user to guess a number between 1 and 10. If the user guesses the right number, the program should print a message to the console congratulating them; otherwise, the user should be allowed to guess again The syntax of do while loop looks like this. do { // code block to be executed } while (condition); Dart do while loop examples. Now the do while loop syntax is known. It is time to run some examples code. Let's print the numbers from 1 to 10 using do while loop The Apex do-while loop repeatedly executes a block of code as long as a particular Boolean condition remains true. Its syntax is: do {. code_block. } while (condition); Note. Curly braces ( {}) are always required around a code_block. As in Java, the Apex do-while loop does not check the Boolean condition statement until after the first loop is. Example: Here in do while first it prints the i value for the first time and then check for condition and if it evaluates to true then statements inside do while loop will execute for second time and this process continuous untill the conditional expression truns to false once it evaluates to false then comes out of the loop. In do..while loop.

do { document.write (ok); }while (x==10); It is useful when you want to execute the body of the loop at least once without evaluating its teminating condition. For example, lets say you want to write a loop where you are prompting the user for input and depending on input execute some code Now, you could of course rewrite this particular example as a simple WHILE loop, since this is not such a good candidate for a DO / WHILE construct. The emphasis was on example brevity rather than applicability, since legitimate cases requiring a DO / WHILE are rare

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For example, to display the even numbers from 2 through 20 in reverse order, replace the first line of the example above with: do i = 20 to 2 by -2 • DO WHILE condition evaluates condition each time through the loop as a conditional expression before executing the loop, and will execute it only if it is true Do while Loop in C++ Example | C++ Do-while Loop Program is today's topic. Before understanding do while loop, we must have an idea of what loops are and what it is used for. Loops are used when we want a particular piece of code to run multiple times. We use loops to execute the statement of codes repeatedly until a specific condition is. Here, we are going to learn about while and dowhile loops. Contents [ hide] 1 C++ while Loop. 2 Example 1: Display Numbers from 1 to 5. 3 Example 2: Sum of Positive Numbers Only. 4 C++ dowhile Loop. 5 Example 3: Display Numbers from 1 to 5. 6 Example 4: Sum of Positive Numbers Only. 7 Infinite while loop Simple Java Do While Loop Examples. The loop will run for 10 times in the example given below. The statement will print the number according to the programming you have done in the code. The below example print numbers from 0 to 9 and after that the loop come to the next line given after the while loop. Example4 Python Do While Loop. Python doesn't have do-while loop. But we can create a program like this. The do while loop is used to check condition after executing the statement. It is like while loop but it is executed at least once. General Do While Loop Synta

Do While Loop: Definition, Example & Results - Video

  1. Example: C# do-while Loop When coding the do-while loop, it's common to use a counter variable to execute the statements in a loop a certain number of times. Here, the counter variable is an int type name i , and is assigned an initial value of 0 just before C# executes the do statement
  2. Syntax: DO WHILE (condition) statements. LOOP. Example: REM a program to print the series from 1 to 10. CLS. c = 1. DO WHILE c <= 10
  3. ate the loop
  4. One of the key jobs in scripting is looping, let us see what each of the keywords 'Do', 'While' and 'Until' have to offer when tackling a repetitive job. PowerShell DoWhile Loops. Do Until Loop; Do While Loop 'While' on Its Own - No Explicit 'Do' More PowerShell Loops; Example: Waiting for User Input to Guess a Wor
  5. VBScript Do While Loop. 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. For example, you want to output the message Welcome while the value of the variable x is less than 5. In such case, Do While loop will be used. <script type=text/vbscript> Dim x x=1 Do While x<5 document.
  6. The statement: while (( num )) evaluates to the logical negation of num. Therefore, the program remains in the loop as long as the value of num is not 0. Example of Using a while Loop . In the following example, the variable num is initialized to 1, and a while loop is entered
  7. g is as shown below: First, it executes the lines inside the loop, and after arriving at the end, the compiler checks the while condition. If the condition returns True, it recurs the process, and if it fails, C Do While Loop ter

C# - DoWhile Loop - Tutorialspoin

A do while loop executes a loop and then evaluates a condition. do while loops do not exist in Python so we'll focus on regular while loops. Let's use an example to illustrate how a while loop works in Python. Python Do While Example. We are going to create a program that asks a user to guess the magic number The syntax above describes how the Do keyword follows the block of statements, on the other hand While Keyword verifies Boolean_expression when the first Do statement is executed.. Flowchart of Do loop. This Flowchart shows the Do While Loop flow. In this, the flow of statements is controlled in such a way that the statement is executed once before verifying the While and Until condition C++ Do-While Loop. Do-While Loop can execute a block of statements in a loop based on a condition. In this tutorial, we learn the syntax of Do-While loop in C++, its algorithm, flowchart, then some examples illustrating the usage of it

Do While activities are evaluated only after the body has been executed once. Example of Using a Do While Activity To exemplify how to use a Do While activity, let's create an automation that increments an integer variable from 0 to 10, and displays a message every time it is incremented Example program. First we use the do-while loop to sum the values of the elements in an int array. The array here is known to have 4 elements, so we can avoid checking its length. Part 1 The code declares an integer array of 4 values. These are used inside the do-loop. Part 2 A do-while loop is executed The do-while loop in Java is similar to while loop except that a condition is checked after all the statements are executed, so the do-while loop guarantees a loop execution at least once. Java Do While Example. Java do-while loop is used to iterate the part of a program several times. If several iterations are not fixed and you must have to. Both while and do...while statements terminate the loop if the test condition is false. Unlike the while statement that checks the condition at the beginning of each iteration, the do...while statement checks the condition at the end of each iteration. The following illustrates the syntax of the do...while loop statement

In do-while loop first execute a block of code once an then check the condition, if condition is true as long as the code to be executed. Example of php do-while loo Syntax. do { } 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 Get more lessons like this at http://www.MathTutorDVD.comLearn how to use the java do-while loop to control program flow

A do-while loop is similar to while loop except that it checks the condition at the end of iteration. A do-while loop will at least run once even if the given condition is false. Kotlin do-while loop Exampl After the terminal statement of a DO WHILE loop is executed, control is transferred back to the corresponding DO WHILE statement. Restrictions. Jumping into the range of a DO WHILE loop from outside its range can produce unpredictable results. Comments. The variables used in the e can be modified in any way within the range of the DO WHILE loop. Answer: Given below is the sample program of a do-while loop. Here, we have initialized a variable and inside a do, we have been printing the value of 'i' for the condition i < 10. After every iteration, the value of 'i' will be incremented by 1. So, 'i' will be printed 5 times. public class example { Don't use a comma before while when you mean during the same time.; Do use a comma before while when you mean whereas or although.; When while is used as a conjunction, it has two meanings. One meaning is related to time. In the temporal sense, while describes something that is happening at the same time as something else. The other meaning of while indicates a contrast

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Give an example of a while loop, then provide the equivalent do-while loop and for loop. Then give a different example of a do-while loop, along with the equivalent while loop and for loop.Finally, give an example of a for loop, along with the equivalent while loop and do-while loop.Use your examples to illustrate the advantages and disadvantages of each looping structure, and describe those. So to make this loop we type the while keyword followed by a pair of parentheses. Inside the (and ) we place a true/false condition. Then on the next line we make a code block with braces. Between {and } we put all the code we want to execute repeatedly.. In plain English, a description of the while loop is: while this condition is true, do the work (Liberty & MacDonald, 2009) Simply, the outer do-while loop contains the inner do-while loop as a set of statements. Though, the test conditions of inner and outer do-while loops are false for the first time. Both the inner and outer statements of do-while loops are executed once, irrespective of their test conditions Java While, Do While Loops Syntaxes, Examples and Real Time Uses by Topper Skills. Java while loop can iterate infinite number of times. Java while loop can be used like for loop using a counter . The body of Java do while always execute atleast once first time without checking while condition

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C/C++ do while loop with Examples - GeeksforGeek

WHILE LOOP Statement. The WHILE LOOP statement runs one or more statements while a condition is TRUE.The WHILE LOOP statement ends when the condition becomes FALSE or NULL, when a statement inside the loop transfers control outside the loop, or when PL/SQL raises an exception.. Topics: Syntax. Semantics. Examples. Related Topics. Syntax. while_loop_statement::=. while loop in vb.net. vb by Helpful Hawk on Sep 04 2020 Donate Comment. 3. Dim x As Integer = 1 'Do the action while the condition is true 'add 1 to x while x is less than 10 Do While x < 10 MsgBox (X value = & x) x += 1 Loop. xxxxxxxxxx. 1. Dim x As Integer = 1. 2. 'Do the action while the condition is true

Syntax of do while in Matlab. As we know, do while in Matlab is a simple loop that is used to evaluate the program at least once. Therefore, the simplest method to execute the program is to start the program with a while loop that has the true statement and reevaluate the given condition until the loop does not end Pseudocode Examples. An algorithm is a procedure for solving a problem in terms of the actions to be executed and the order in which those actions are to be executed. An algorithm is merely the sequence of steps taken to solve a problem. The steps are normally sequence, selection, iteration, and a case-type statement C Programming & Data Structures: do-while loop in C programming.Topics discussed: 1) Difference between while and do-while loop,2) When should I prefer do-wh..

C++ Do While Loop - W3School

Found inside - Page 90Algorithm 3.2 Examples of iteration and loop pseudo-code 1 do while condition 2 statement 1 3 statement 2 4 end while 5 6 for from is a detailed yet readable description of what a computer program or algorithm must do, expressed in a formally-styled natural language rather than in a programming language. PseudoCode. A while loop will loop continuously, and infinitely, until the expression inside the parenthesis, becomes false. Something must change the tested variable, or the while loop will never exit. This could be in your code, such as an incremented variable, or an external condition, such as testing a sensor WHILE monthly_value <= 4000 LOOP monthly_value := daily_value * 31; END LOOP; In this WHILE LOOP example, the loop would terminate once the monthly_value exceeded 4000 as specified by: WHILE monthly_value <= 4000. The WHILE LOOP will continue while monthly_value <= 4000. And once monthly_value is > 4000, the loop will terminate. NEXT: FOR LOOP PHP. while. and. do...while. Loop. As the name suggests, a Loop is used to execute something over and over again. For example, if you want to display all the numbers from 1 to 1000, rather than using echo statement 1000 times, or specifying all the numbers in a single echo statement with newline character \n, we can just use a loop, which will.

C while and dowhile Loop - Programi

Python Loops - For, While, Nested Loops With Examples FAQ :-Q 1. What are the 2 types of loops in Python? ans. There are two types of loops in Python, for loop, while loop and nested loop. Q 2. How do loops work? ans. After the body of the 'for' loop executes, the flow of control jumps back up to the increment statement.