C++ 实例 – 创建不同类型的变量
最后更新于:2022-03-27 02:50:12
C++ 实例 – 创建不同类型的变量
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
cout << "int: " << myNum << "\n";
cout << "float: " << myFloatNum << "\n";
cout << "double: " << myDoubleNum << "\n";
cout << "char: " << myLetter << "\n";
cout << "bool: " << myBoolean << "\n";
cout << "string: " << myString << "\n";
}
#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: 5 float: 5.99 double: 9.98 char: D bool: 1 string: Runoob