Before we discuss about break statement, Let’s see what happens when we don’t use break statement in switch case. See the example below: #include<iostream>usingnamespacestd;intmain(){inti=2;switch(i){case1:cout<<"Case1 "<<endl;case2:cout<<"Case2 "<<endl;case3:cout<<"Case3 "<...
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...
The switch case (statement) in C++ is a control construct that determines which code block to execute by comparing an expression against predefined cases.
theswitch-caseStatement in C++ Theswitch-caseevaluates the expression, based on its value, and is tested against a list of constant values present incasestatements to perform different actions based on differentcases. Likeif-else, switch statements are control flow statements because they can alter ...
一个switch语句可以包含任意数量的case标签,每个case标签中可执行若干条语句,通常以break语句结束。default标签为可选项,至多包含一个,用于处理case标签未列举的值。 switch(expression) {caseconstant_expression_1 :// statement_1break;caseconstant_expression_2 :// statement_2break;/* ... */default:// state...
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() { inti=10; intc=10; ...
C++ Switch Statement - Learn how to use the switch statement in C++ for efficient multi-way branching. Explore examples and syntax to enhance your programming skills.
cpp. int month = 3; switch (month) {。 case 1: cout << "January"; break; case 2: cout << "February"; break; case 3: cout << "March"; break; default: cout << "Invalid month"; break; }。 Output: March. Advantages of using the switch case statement. Efficiency: The switch ...
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 ...
Flowchart of C++ switch...case statement Example: Create a Calculator using the switch Statement // Program to build a simple calculator using switch Statement#include<iostream>usingnamespacestd;intmain(){charoper;floatnum1, num2;cout<<"Enter an operator (+, -, *, /): ";cin>> oper;cout...