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
------Java Training, Android training, iOS training,. NET training, look forward to communicating with you! -------"Loop Structure"1 , circular structure Introduction:Loops are executing the same block of code again and again2. Several conditions
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
4.3.3 for Loop: Within a range ... Each of them ...Since the while statement and Do...while ... Statements have been able to meet the needs of our expression loop phenomenon, why should C + + specifically provide a For statement to express the loop
4.3.3 for Loop: Within a range ... Each of them ...Since the while statement and Do...while ... Statements have been able to meet the needs of our expression loop phenomenon, why should C + + specifically provide a For statement to express the loop
ForeachPhp Tutorial 4 (not php 3) includes the foreach structure, which is similar to perl and other languages. This is just a simple way to traverse arrays. Foreach can only be used for arrays. An error occurs when you try to use it for another
(1) While loop, do While loop: the difference between, while is to first judge the condition, then execute the statement. The Do while is executing the statement first, then judging the condition.while (loop condition expression) {do{EXECUTE
Let me introduce you to the loop execution for loop in C #
In this practice, we'll show you another important circular statement in C #, for loops.
for (expression 1; expression 2; expression 3)
{
loop-body
}
Expression 1: Generally
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