Switch Statement in C/C++ Switch case 语句评估给定的表达式,并根据评估的值(匹配某个条件)执行与其关联的语句。基本上,它用于根据不同的条件(案例)执行不同的操作。 switch case 语句遵循选择控制机制,并允许值更改执行控制。 它们可以替代长if 语句,后者将变量与多个整数值进行比较。 switch 语句是多路分支语句。
The expression used inside theswitchstatement must be an integral type meaning it should beint,char, orenum. Else we get a compile error. #include<iostream>using namespace std;intmain(){floatx=12.34;switch(x){case1.1:cout<<"Yes";break;case12.34:cout<<"NO";break;}} ...
Learn how to use the switch statement in C++ for efficient multi-way branching. Explore examples and syntax to enhance your programming skills.
The program below shows how we can use strings in the switch statement in C#. using System; class StringinSwitch { static public void Main() { string mystring = "Rose"; switch (mystring) { case "Jasmine": Console.WriteLine("The flower is Jasmine"); break; case "Lili": Console.WriteL...
// switch_statement2.cpp// C2360 expected#include<iostream>usingnamespacestd;intmain(intargc,char*argv[]){switch(tolower( *argv[1] ) ) {// Error. Unreachable declaration.charszChEntered[] ="Character entered was: ";case'a': {// Declaration of szChEntered OK. Local scope.charszChEnte...
// switch_statement2.cpp // C2360 expected #include <iostream> using namespace std; int main(int argc, char *argv[]) { switch( tolower( *argv[1] ) ) { // Error. Unreachable declaration. char szChEntered[] = "Character entered was: "; case 'a' : { // Declaration of szChEnte...
switch-statement: switch ( expression ) switch-block switch-block: { switch-sectionsopt } switch-sections: switch-section switch-sections switch-section switch-section: switch-labels statement-list switch-labels: switch-label switch-labels switch-label switch-label: case constant-expression : default ...
Switch case statement is used when we have multiple conditions and we need to perform different action based on the condition. When we have multiple conditions and we need to execute a block of statements when a particular condition is satisfied. In such
CPP实现 C实现 Data type of case labels of switch statement in C++? 在C++ switch 语句中,每个case 标签的表达式必须是整数常量表达式。例如,以下程序编译失败。 CPP实现 /* Using non-const in case label */ #include<stdio.h> intmain() {
<cpp |language Transfers control to one of several statements, depending on the value of a condition. Syntax attr-(since C++11)any number ofattributes init-statement-(since C++17)any of the following: anexpression statement(which may be a null statement;) ...