Java Video 15: do while Loop смотреть онлайн

In this video you will learn how to create and use java do...while loop.

As with a while loop, a do while loop does not necessarily iterate a specified number of times. However, it is guaranteed that a do while loop will iterate at least one time because its control expression is placed at the end of the loop. This loop is useful when you want to guarantee at least one iteration of the loop.

Like a while loop, a do while loop is considered to be an indeterminate or indefinite loop.

A do while loop is considered to be a bottom-checking (or posttest) loop, since the control expression is located after the body of the loop after the while keyword. A do while loop is guaranteed to iterate at least once even if the control expression evaluates to FALSE.
The do keyword is placed on a line of code by itself at the top of the loop. A block of statements follows it with a control expression after the keyword while at the bottom of the loop
do
{
body statement(s) would be placed here
}while (control expression);

The control expression must evaluate to TRUE in order for the do while loop to iterate after the first time.
Like if statements and other kinds of loops, the curly braces are not required with a do while loop if there is only statement in the body of the loop. However, it is good style to always use curly braces.

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