But there are no direct answers given. Condition is nothing evaluating a program statement to true/false. So, Java Do While loop executes the statements inside the code block at least once even if the given condition Fails. That's why it works if you remove that test case. @gucci: Regarding the downvotes . If you didn't know that, then you should start posting a comment instead of answer (otherwise I would have posted an answer :] ). If I could upvote your answer I would, thanks, @gucci Well if you can't upvote you can still accept his answer. If I'm missing something very obvious (which I probably am), I'm sorry for taking up your time, but thanks anyway for taking the time to look at this question. If the textExpression evaluates to true, the code inside the while loop is executed. If it is false, it exits the while loop.eval(ez_write_tag([[728,90],'tutorialcup_com-medrectangle-3','ezslot_5',620,'0','0'])); update_counter – This is to update the variable value that is used in the condition of the java while loop. It will not stop when Nx<5000 as you said - that is incorrect. Once the condition of the inner loop is satisfied, the progra⦠As Kon implies in the comments above, what you need to write is: That is — you want your loop to run if input has more than one character or if its first character is neither 'F' nor 'K'. The Java Do While loop will test the given condition at the end of the loop. Statement 2 defines the condition for the loop to run (i must be less than 5). The exit condition is if the user wins twice (userWin) or the computer wins twice (compWin). : The Java while loop is a control flow statement that executes a part of the programs repeatedly on the basis of given boolean condition. The while loop will test the expression inside the parenthesis. Or does it have to be within the DHCP servers (or routers) defined subnet? (It seems that English isn't your native language, and that you're new to Java.) When compared to for loop, while loop does not have any fixed number of iteration. It allows the multiple statements or process to be run for the specified time or it also follows the certain conditions. If the condition(s) holds, then the body of the loop is executed after the execution of the loop body condition is tested again. It is always important to remember these 2 points when using a while loop. Java While Do while loop quiz contains 20 single and multiple choice questions. The while loop can be thought of as a repeating if statement. If the condition will always true, then the loop will never end. Since it is true, it again executes the code inside the loop and increments the value. If the textExpression evaluates to true, the code inside the while loop is executed. If the Boolean expression evaluates to true, the body of the loop will execute, then the expression is evaluated again. In the while condition, we have the expression as i<=5, which means until i value is less than or equal to 5, it executes the loop. eval(ez_write_tag([[336,280],'tutorialcup_com-box-4','ezslot_8',622,'0','0']));Hence in the 1st iteration, when i=1, the condition is true and prints the statement inside java while loop. eval(ez_write_tag([[300,250],'tutorialcup_com-medrectangle-4','ezslot_7',621,'0','0'])); Below is a simple code that demonstrates a java while loop. Your current code will enter the loop only if input has more than one character and its first character is neither 'F' nor 'K'. How do I generate random integers within a specific range in Java? Loops are handy because they save time, reduce errors, and they make code more readable. One of them is do while loop in java. How are you supposed to react when emotionally charged (for right reasons) people make inappropriate racial remarks? eval(ez_write_tag([[250,250],'tutorialcup_com-leader-1','ezslot_10',641,'0','0']));As discussed at the start of the tutorial, when we do not update the counter variable properly or do not mention the condition correctly, it will result in an infinite while loop. Which you can do with the help of 1. It will loop WHILE Nx<5000, which is why they call it a while loop. In the java while loop condition, we are checking if i value is greater than or equal to 0. How do I hang curtains on a cutout like this? The if, else, and switch statements are used for testing conditions, the while and for statements to create cycles, and the break and continue statements to alter a loop. A DO-WHILE loop executes the statements inside of it even the condition is false. Java For loop also allows using multiple conditions in for loop. Some of these methods are: Write boolean value true in place of while loop condition. You can use it by making it listen for console input like this: new Scanner(System.in). I'm most familiar with the Java language and I'm trying to pick up on Python. In your while loop, you specify the input.length() > 1 condition. (Try to build the opposite of this game. Like loops in general, a while loop can be used to repeat an action as long as a condition. This means the while loop executes until i value reaches the length of the array. . This can be the result of a single boolean method or evaluation, or multiple boolean results and'ed or or'ed together (or any other boolean arithmetic). Java For Loop Quiz contains 20 single and multiple choice questions. It executes a block of statements at least once irrespective of the condition. It then again checks if i<=5. Both the WHILE loop and DO-WHILE loop work at the same speed. How do I read / convert an InputStream into a String in Java? The test condition may have any compound relation. Both the WHILE loop and DO-WHILE loop work at the same speed. While loop with multiple conditions in C++ Geovany Schiller posted on 23-12-2020 c++ do-while How would I make a loop that does the loop until one of multiple conditions is met. If you have read the previous chapter, about the for loop, you will discover that a while loop is much the same as a for loop, with statement 1 and statement 3 omitted. Here we are going to print the even numbers between 0 and 20. In Java language there are several keywords that are used to alter the flow of the program. for(i=1,j=20; i <= 10 && j >= 20; i++) { //statements j++; } Like the test condition, Java for loop allows us to use more than one increment operator as follows. Condition is nothing evaluating a program statement to true/false. At the end of the quiz, result will be displayed along with your score and for loop quiz answers. How do I convert a String to an int in Java? 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