使用G ++编译多个.cpp和.h文件
要一次编译多个文件,例如file_name.h或file_name.cpp,我们可以像列表一样使用文件。语法如下:
g++ abc.h xyz.cpp
要运行程序,我们可以使用它-
./a.out
示例
float area(float r){return (3.1415*r*r); //area of a circle
}
float area(float l, float w){
return (l * w); //area of a rectangle
}
示例
#include <iostream>#include "area.h"
using namespace std;
main(){
cout << "Area of circle with radius 2.5 is: " << area(2.5) << endl;
cout << "Area of rectangle with length and width are 5 and 7 is: " << area(5, 7) << endl;
}
输出结果
$ g++ area.h find_area.cpp$ ./a.out
Area of circle with radius 2.5 is: 19.6344
Area of rectangle with length and width are 5 and 7 is: 35
$
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