WebJan 24, 2024 · A switch statement causes control to transfer to one labeled-statement in its statement body, depending on the value of condition. The condition must have an integral type, or be a class type that has an unambiguous conversion to integral type. Integral promotion takes place as described in Standard conversions. WebThe syntax of Switch case statement: switch (variable or an integer expression) { case constant: //C++ code ; case constant: //C++ code ; default: //C++ code ; } Switch Case statement is mostly used with break statement even though the break statement is optional. We will first see an example without break statement and then we will discuss ...
c++ - Grouping switch statement cases together? - Stack Overflow
WebMar 30, 2014 · 10 Answers. Sorted by: 45. AFAIK all you can do is omit the returns to make things more compact in C++: switch (Answer) { case 1: case 2: case 3: case 4: cout << "You need more cars."; break; ... } (You could remove the other returns as well, of course.) Share. Improve this answer.solidworks historia
随时随地学习C语言之3—if和switch哪个效率高? - 知乎
WebDec 1, 2014 · 标记语句 标签用于将程序控制权直接转交给特定语句。identifier : statement case constant-expression : statement default : statement 标签的范围为整个函数,已在 … WebApr 2, 2024 · 本文內容. switch和 case 語句可協助控制複雜的條件式和分支作業。switch 陳述式會將控制權轉移到其主體中的陳述式。. Syntax. selection-statement: switch ( expression ) statement labeled-statement: case constant-expression : statement default : statement 備註. switch語句會根據 的值,讓控制項在其語句主體中傳送至其中一個 … http://c.biancheng.net/view/1365.htmlsolidworks history