difference between while and while loop with example

Day 4: loop structure (while, do... While, ),... While1. Loop Structure (while, do... While,) 1.1. What is a loop structure In daily life, there will be a lot of things that need to be done repeatedly, such as four seasons of every year, 7 days of

1. Loop Structure (while, do... While,) 1.1. What is a loop structure In daily life, there will be a lot of things that need to be done repeatedly, such as four seasons of every year, 7 days of every week, 3 meals a day, and 50 copies of each

First, Introduction In shell programming, circular commands are used to control the execution of certain statements under certain conditions, with three commonly used loop statements: for, while, and until. While loops and for loops belong to the

4.3 Loop control statementsIn the real world, there is such a phenomenon:As long as the current oil in the tank is less than the tank capacity of 100 liters, the fuel tank has been refueling;has been continuously for the motherland hard work, as

4.3 Loop control statementsIn the real world, there is such a phenomenon:As long as the current oil in the tank is less than the tank capacity of 100 liters, the fuel tank has been refueling;has been continuously for the motherland hard work, as

You can use the for statement to control multiple variables to implement advanced applications with multiple loops.The following shows a program that uses the for statement to output a 9*9 multiplication table: The code is as follows:Copy code

The only difference between the first two is that the order of loop and judgment is different. do-while is more than while, and I will not give an example.For loop I believe everyone is familiar with it, so let's look at the for-in sentence.This is

Usage of the PHP tutorial loop statement for while doing whileLoop structureOne, while loopwhile (expression){loop body;//Repeat until the expression is false} $num = 1; while ($num Print "number is $num ";$num + +;} print ' Done. '?>

Loop structureone, while Loopwhile (expression){The loop body;//executes repeatedly until the expression is false}Code:$index = 1;while ($index {Print "number is {$index}";$index + +;}print "Done";Operation Result:Number is 1Number is 2Number is

The first two only difference is that the loop and the order of the judgments are different, do-while than while more than one cycle, I do not give an example.For loop I believe that we can not be ripe, we will see for-in this sentence.This is