Speed-limiting switches are typically on three or more switches, and the new switch model two-tier device since 2008 can achieve the QoS speed limit of 1Mbps, such as the Cisco 2960 series switches. After this, most of the domestic standard
Grammarsyntax for switch statements in the Swift language:
Copy Code code as follows:
Switch Expression {
Case expression1:
Statement (s)
Fallthrough/* Optional *
Case Expression2, Expression3:
Statement (s)
Fallthrough/*
1. Expression: The expression is judged to have no result (value), the simplest expression is a constant or variable, such as: A, A, 3 + 1, a + B, a + 5 are expressions2.BOOL (Boolean) data type: In addition to the basic data types in the C language,
Answer supplementYou can do this easily: Switch (a) {Case 0: Case 1: Case 2: printf ("lslksdjfl/N"); Case 3: Case 4: case 5: printf ("sdlfjsdlf/N"); default: printf ....}
Answer supplementCan you use the if statement?
|All I know is that the
Switch syntax The code is as follows:Copy code Switch (expression){Case constant expression 1: Statement 1;....Case constant expression 2: Statement 2;Default: statement;} Default is to execute it if there is no matching case. default is not
http://m.blog.csdn.net/blog/tianyazaiheruan/8988420Today qnovations teacher in the use of switch, this design to the most basic content, may forget some of its basic grammar, there are some errors, so impromptu from a variety of data query summed up
From: http://blog.csdn.net/orbit/article/details/2120086
I don't know when the switch-case statement is synonymous with the bad taste of the Code. When I write the code, I carefully avoid it and frown when I see the switch-case in other people's
Two-tier switch:The second layer switching technology is more mature, two layer switch is a data link layer device, can identify the MAC address information in the packet, according to the MAC address to forward, and these MAC addresses and
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