switch case definition

Two-layer switching technology is a mature development, two-layer switch is a data link layer device, can identify the Mac in the packet Address information, forwarding based on MAC addresses, and recording these MAC addresses with corresponding

C languageThe use of macros (macro) in macro C (and C + +) belongs to the scope of compiler preprocessing, which is a compile-time concept (not a run-time concept). The following is a simple summary of the use of macros encountered. About # and #

1) layer-2 Exchange Technology The layer-2 switching technology is relatively mature. The layer-2 switch is a data link layer device that can identify MAC locations in data packets.Address information, which is forwarded based on the MAC address,

introduce This article describes an attempt to switch-case a short string (less than 4) in C + +, as with an integer value, to avoid the overhead of string matching and slightly improve the efficiency of the operation. background As you know, C + +

One of the series "Let the cold wings fly"-talk about Oop, factory model and reconstruction from examples Http://www.cnblogs.com/wayfarer/articles/70453.html Fly with wings, lack of flexibility Code It's like a bird with frozen wings. If you

The first question: When to use switch ' multi-branch, you can use a switch case when you need to use multiple if elseCase Planet score score, supports horizontal classification, vertical treatmentpublic static void Main (string[] args) {Scanner s =

1 Switch(c) {2 Case+:3 intRes =d1+D2;4 Data.push (res);5 Break;6 Case‘-‘:7res = d2-D1;8 Data.push (res);9 Break;Ten

A switch statement allows a variable to be tested equal to the list of opposing values. Each value is referred to as a case, and the variable is switched on to check each switch case. In go programming, there are two types of switch. Expression

Hub, switch, router, working principle 1. A switch is also called a switch hub. It regenerates information and forwards it to a specified port after internal processing. It has the ability to automatically address and exchange information, the

The author is unknown because it is transferred from the reprint. Here, I would like to thank @ author. 1. Switch Parameter type:The expression behind the switch cannot be double, float, long, String, Boolean. It can be connected to int, short, byte,