Java While Loop. Java 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. The while loop can be thought of as a repeating if statement. acknowledge that you have read and understood our We use cookies to ensure you have the best browsing experience on our website. Syntax: while (test_expression) { // statements update_expression; } Loops can execute a block of code as long as a specified condition is reached.Loops are handy because they save time, reduce errors, and they make code more readable.In the example below, the code in the loop will run, over and over again, as long as While using this site, you agree to have read and accepted our If the Boolean expression is true, the control jumps back up to do statement, and the statements in the loop … the loop will never end!If you want to report an error, or if you want to make a suggestion, do not hesitate to send us an e-mail: Loops in Java come into use when we need to repeatedly execute a block of statements.. Java while loop is a control flow statement that allows code to be executed repeatedly based on a given Boolean condition. In this tutorial, we learn to use it with examples. Don't stop learning now. a variable (i) is less than 5:Do not forget to increase the variable used in the condition, otherwise By using our site, you The Java while loop is used to iterate a part of the program several times. The while loop loops through a block of code as long as a specified condition is true: Syntax while (condition) { // code block to be executed} 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: The while statement evaluates expression, which must return a boolean value. The condition may be any expression, and true is any non zero value. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. Here, statement(s) may be a single statement or a block of statements. If the condition(s) holds, then the body of the loop is executed after the execution of the loop …

First of all, let's discuss its syntax: while (condition(s)) {// Body of loop} 1. As discussed in previous tutorial, loops are used to execute a set of statements repeatedly until a particular condition is satisfied. A while loop statement in Java programming language repeatedly executes a target statement as long as a given condition is true.

While loop in Java with examples. W3Schools is optimized for learning, testing, and training. In Java, a while loop is used to execute statement(s) until a condition is true.

Get hold of all the important DSA concepts with the If you like GeeksforGeeks and would like to contribute, you can also write an article using Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below. In the last tutorial, we discussed for loop. Please write to us at contribute@geeksforgeeks.org to report any issue with the above content. If the number of iteration is not fixed, it is recommended to use while loop.. Syntax: If the expression evaluates to true, the while statement executes the statement(s) in the while block. By Chaitanya Singh | Filed Under: Learn Java. Attention reader! In this tutorial we will discuss while loop. Examples might be simplified to improve reading and basic understanding.

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