Use if-else, if-else with initializer, and if-constexpr statements to control conditional branching.
If statement If-else statement Nested if statement If-else-if ladder Condition Statement Switch case Jump statements (break, continue, goto, return)We will discuss each of these types of loop control statements in detail, with the help of code examples, in the section ahead....
An if can have zero to many else if's and they must come before the else. Once an else if succeeds, none of he remaining else if's or else's will be tested.SyntaxThe syntax of an if...else if...else statement in C++ is −if...
if...else语句的else子句与同一范围内没有相应else语句的最接近的上一个if语句相关联。 示例 此示例代码演示了多个正在使用的if语句,包括使用和不使用else: C++ // if_else_statement.cpp#include<iostream>usingnamespacestd;intmain(){intx =10;if(x <11) {cout<<"x < 11 is true!\n";// executed...
if...else语句的else子句与同一范围内没有相应else语句的最接近的上一个if语句相关联。 示例 此示例代码演示了多个正在使用的if语句,包括使用和不使用else: C++ // if_else_statement.cpp#include<iostream>usingnamespacestd;intmain(){intx =10;if(x <11) {cout<<"x < 11 is true!\n";// executed...
带有示例的 C/C++ if else 语句cpp-basicsprogramming-languageschool-programming 折叠 代码目录 C/C++ if else statement with Examples C实现 C++ 实现 C实现 C++ 实现 C/C++ if else statement with ExamplesC/C++ 中的决策制定 有助于编写决策驱动语句和根据特定条件执行一组特定的代码。
if...else 陳述式的else子句與最接近沒有與其它if陳述句在相同範圍中的else陳述句相組。 若要讓這個範例可以明確的表示 if...else 對,將註釋除去。 範例 // if_else_statement.cpp #include <stdio.h> int main() { int x = 0; if (x == 0) { printf_s("x is 0!\n"); } else { printf...
C++ if-else Statement to check double type value #include<iostream>#include<cmath>usingnamespacestd;intmain()//fromwww.java2s.com{doubleradius; cout <<"Please type in the radius: "; cin >> radius;if(radius < 0.0) cout <<"A negative radius is invalid"<< endl;elsecout <<"The area...
编写一个同时执行两个 if-else 块语句的 C/C++ 程序。 Syntaxofif-elsestatementinC/C++languageis: if(Booleanexpression) { // Statement will execute only // if Boolean expression is true } else { // Statement will execute only if // the Boolean expression is false ...
// if_else_statement.cpp #include <stdio.h> int main() int x = 0; if (x == 0) printf_s("x is 0!\n"); else printf_s("x is not 0!\n"); // this statement will not be executed x = 1; if (x == 0) printf_s("x is 0!\n"); // this statement will not be exec...