using the do while loop?
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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.
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['public class DoWhileExample2 {', 'public static void main(String[] args) {', 'do{', 'System. out. println("infinitive do while loop");', '}while(true);', '}', '}']
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Learn how to use a do while loop to set up a block of code to repeat as long as a conditional statement is true. The do-while loop is used when you always want to execute a block of code at least once.
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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.
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Do While Loop VBA Function in Microsoft Excel. The Excel Do while loop function is another great Excel function to know. The Excel Do While Loop function is used to loop through a set of defined instructions/code while a specific condition is true.
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Until loop is used when we want to repeat a set of statements as long as the condition is false. The condition may be checked at the beginning of the loop or at the end of loop.
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['The break statement exits a for or while loop completely. To skip the rest of the instructions in the loop and begin the next iteration, use a continue statement.', 'break is not defined outside a for or while loop. To exit a function, use return .']
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Both do while and for loop does the same thing except for the one difference. The do while loops runs atleast once in any condition(even if the loops control condition is false) but the for loop runs only when the condition is true, as soon as the condition became false, the control goes out of the for loop.
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Python Do While Loop. Python doesn't have do-while loop. ... 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.
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A similar condition-controlled loop is a DO WHILE loop. ... With the WHILE loop the condition is checked at the beginning, and, with count > 4, the code is not executed and nothing is output. With the DO WHILE loop, we would get an output of 4 because the condition is checked after the print statement is executed.
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The do-while loop is a posttest loop. This means it does not test its expression until it has completed an iteration. As a result, the do-while loop always performs at least one iteration, even if the expression is false to begin with.
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How to work Nested do while loop. initially, the initialization statement is executed only once and statements(do part) execute only one. Then, the flow of control evaluates the test expression. Then, when the test expression is false, loop exit from the inner loop and flow of control comes to the outer loop.
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While loop with else. Same as with for loops, while loops can also have an optional else block. The else part is executed if the condition in the while loop evaluates to False . The while loop can be terminated with a break statement.
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['File name : while.l.', 'Program : %{ %} %% "while" {return key;} "(" {return ob;} ")" {return cb;} " " {return sp;} ";" {return sc;} ... ', 'File name : while.y.', 'Program : %{ #include<stdio.h> %} %token key. %token ob. %token op. %token vb. %token cb. ... ', 'Compilation Steps : lex while.l. yacc -d while.y. cc y.tab.c. ./a.out.', 'Output :']
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In while and for loops the condition is checked before the control enters the loop. In do-while it's checked at the end of the loop. Syntax-wise, in do-while there is a semicolon at the end of the condition. In while and for, there is no semicolon after the condition.
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Python while Loop Statements. Advertisements. A while loop statement in Python programming language repeatedly executes a target statement as long as a given condition is true.
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The C do while statement creates a structured loop that executes as long as a specified condition is true at the end of each pass through the loop. The syntax for a do while statement is: do loop_body_statement while (cond_exp);