In this tutorial, we learn to use it with examples. Examples might be simplified to improve reading and basic understanding.
If the Boolean expression is true, the control jumps back up to do statement, and the statements in the loop … If the expression evaluates to true, the while statement executes the statement(s) in the while block.
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If the condition(s) holds, then the body of the loop is executed after the execution of the loop … We use cookies to ensure you have the best browsing experience on our website. The Java while loop is used to iterate a part of the program several times. As discussed in previous tutorial, loops are used to execute a set of statements repeatedly until a particular condition is satisfied. The while statement evaluates expression, which must return a boolean value. While using this site, you agree to have read and accepted our a variable (i) is less than 5:Do not forget to increase the variable used in the condition, otherwise
Please write to us at contribute@geeksforgeeks.org to report any issue with the above content. The condition may be any expression, and true is any non zero value. 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. Java While Loop. acknowledge that you have read and understood our Java While Loop. 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
By Chaitanya Singh | Filed Under: Learn Java. The while loop can be thought of as a repeating if statement. In the last tutorial, we discussed for loop. First of all, let's discuss its syntax: while (condition(s)) {// Body of loop} 1. While loop in Java with examples. A while loop statement in Java programming language repeatedly executes a target statement as long as a given condition is true.
In Java, a while loop is used to execute statement(s) until a condition is true. 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: 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. In this tutorial we will discuss while loop. Here, statement(s) may be a single statement or a block of statements. Don't stop learning now. Syntax: while (test_expression) { // statements update_expression; } If the number of iteration is not fixed, it is recommended to use while loop.. Syntax:
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.
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