C++ 实例以下实例展示了不同类型变量的创建方法：
实例
#include <iostream>#include <string>using namespace std; int main () { // 创建变量 int myNum = 5; // 整型 float myFloatNum = 5.99; // 单精度浮点型 double myDoubleNum = 9.98; // 双精度浮点型 char myLetter = 'D'; // 字符型 bool myBoolean = true; // 布尔型 string myString = "Runoob"; // 字符串 // 输出变量 cout << "int: " << myNum << "\n"; cout << "float: " << myFloatNum << "\n"; cout << "double: " << myDoubleNum << "\n"; cout << "char: " << myLetter << "\n"; cout << "bool: " << myBoolean << "\n"; cout << "string: " << myString << "\n"; return 0;}
以上程序执行输出结果为：
int: 5float: 5.99double: 9.98char: Dbool: 1string: Runoob