How do you convert a while loop to a for loop in Java?
Expect. You have to initialize the variable outside the loop. You have to put the condition in while, i.e. while(i>j). You have to put the increment or decrement part inside the loop….
- while(//condition)
- {
- //Code to execute.
- }
- //To work as a for loop,
- int index = 0;
- int value = 15;
- while (index < value)
Table of Contents
How do you change a while loop to a for loop?
To convert a for loop to a while loop, we simply add the initialization statement before the while loop.
- /* for loop */ int i; for(i = 0; i < 10; i++) { }
- /* while loop */ while(*str++ != NULL) { length++;
- /* Do while loop */ do. { status = check_connection();
- /* for loop */ int i; for(i = 0; i < 10; i++) {
How does while loop java work?
Java’s while loop is used to iterate a part of the program repeatedly until the specified boolean condition is true. As soon as the boolean condition becomes false, the loop stops automatically. The while loop is considered as a repeated if statement.
What is an infinite loop, give an example?
An infinite loop occurs when a condition always evaluates to true. For example, you could have a loop that decreases until it reaches 0.
What is an example of a while loop?
A while loop is a control flow structure that repeatedly executes a block of undefined code. times until the given condition becomes false. For example, suppose you want to count the occurrence of odd numbers in a range. Some technical references call this a pretest loop, since it checks the condition before each iteration.
While the Java syntax?
Java do while loop. The Java do while loop syntax is as follows: do { // statements } while (expression); The expression for the do-while loop must return a boolean value, otherwise it will throw a compile-time error.
How does the for loop work in Java?
The initialization expression of the “for” loop is executed only once.
What is loop syntax?
What is the syntax for loops in Scala? A loop allows a program to repeat a block of code, either a predefined number of times or until some condition is met. Learn how to write a while loop, a do/while loop, a for loop, and for comprehension in this video. Also learn when to choose each type of loop.