break is optional here, we must use if we want to break the execution of switch statement, if break is not found after the block (statements written in that particular block), it will execute the statement of next case.If any of the case values does not match with the variable, default...
[C 语言中文开发手册switch statement (C language) - C 中文开发手册根据整数参数的值执行代码。用于需要根据整数值执行许多代码分支中的一个或多个分支的情况。句法开关(表达式)语句表达-整数类型的任何表达式(char,signed或unsigned integer或
#include<stdio.h>intmain(){inti=2;switch(i){case1:printf("Case1 ");break;case2:printf("Case2 ");break;case3:printf("Case3 ");break;case4:printf("Case4 ");break;default:printf("Default ");}return0;} Output: Case2 Why didn’t I use break statement after default? The control ...
The `if` and `switch` statements provide branching logic in C#. You use `if, `else` and `switch` to choose the path your program follows.
执行语句必须用缩进风格写,属于if、for、do、while、case、switch、default等下一个缩进级别; 一般写if、for、do、while等语句都会有成对出现的„{}‟,对此有如下建议可以参考:if、for、do、while等语句后的执行语句建议增加成对的“{}”;如果if/else配套语句中有一个分支有“{}”,那么另一个分支即使一行代...
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Use of theswitchstatement usually looks something like this: C switch( expression ) {// declarations// . . .caseconstant_expression:// statements executed if the expression equals the// value of this constant_expressionbreak;default:// statements executed if expression does not equal// any case...
switch-case 标签中的常量表达式的类型被转化成控制表达式的提升类型时。这个转换仅用于比较的目的 每种情况中,必要时数值表达式的值是无条件转换到其他类型的。 平衡转换(Balancing conversions) 平衡转换的描述是在 ISO C 标准中的“Usual Arithmetic Conversions”条目下。这套规则提供一个机制,当二元操作符的两个操...
In this blog, we will delve into the depths of the “if-else” statement, uncover its syntax, explore various use cases, and unlock its potential to make your C programs smarter and more efficient. What Does the “if” Statement in C Do? At its core, the “if” statement embodies a...
There are some restrictions on the use of these switch cases. First of all, the switch expression is required to have the data type char or integer. The value of each case should be used inside of the switch case statement and its data type must be an integer or const char (constant ...