Switch-case retrun break, switch-caseretrun
{
If statements process two branches, the if-else-if structure must be used when processing multiple branches. However, if there are many branches, the more nested if statement layers, the program is not
Problem:Break plays a role in the loop flow control of the for loop, while loop, and stops execution of the statement after the break, jumps out of the loop, and jumps out of the loop control body;In the switch condition selection, there is no
$a=5;switch($a){ case 6: echo "\$a is 6"; case 5: echo "\$a is 5"; case 4: echo "\$a is 4";}
As in the above example, my understanding is that each time $ A is compared to the value of the case, the output statement is the same, and the
In practice, the string series in c ++ -- use string in the switch statement (c ++ does C #, and break in the switch is still very powerful)
How many times have you written this as a C ++ programmer out of habit or helplessness:
if (!strcmp(pszValue,
The switch in Swift has been greatly improved in comparison with this part of the objective-c. This is a very interesting thing, because it is still not added to the objective-c, or the fact that the objective-c is a superset of C is not broken.
4.2.2 The switch statement that expresses the side-by-side condition selection: If ... If...... If......In the real world, there is a special kind of conditional choice:If it is sunny tomorrow, I will wear a T-shirt;If it is cloudy tomorrow, I will
Hello, C ++ (20). 4.2.2 represents the switch statement selected by the parallel condition: if ...... If ...... If ......,. 4.2.24.2.2 expression of the switch statement selected by the parallel condition: if ...... If ...... If ......
In the real
4.2.2 The switch statement that expresses the side-by-side condition selection: If ... If...... If......In the real world, there is a special kind of conditional choice:If it is sunny tomorrow, I will wear a T-shirt;If it is cloudy tomorrow, I will
Objective
Process Control statement:
In the process of executing a program, the order of execution of each statement has a direct effect on the result of the program. That is to say, the process of the program has a direct impact on the running
The "advanced" usage of the PHP switch judgment statement is detailed in the switch
Only so called "advanced" usage, because I even switch the most basic usage has not mastered, so, the next is actually the basic usage of it!
A switch statement is
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