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c中将数组传递给子函数
Here, we have to define a Non-Member Function, in which we have to pass an Object to the class in C++ programming language.
在这里,我们必须定义一个非成员函数,其中必须将一个Object传递给C ++编程语言的类。
What we are doing in this example?
在此示例中我们正在做什么?
We declared a class named Number that has a private data member named num.
我们声明了一个名为Number的类,该类具有一个名为num的私有数据成员。
We define a Non Member function named myFunction(), that will take two parameters 1) object to class Number and 2) an integer variable number.
我们定义了一个名为myFunction()的非成员函数,该函数将使用两个参数:1)对象为Number类,以及2)一个整数变量number 。
Using the example, We have to supply a number (from the main() function) to the class's data member using a Non-Member Function.
使用示例,我们必须使用非成员函数为类的数据成员提供一个数字(来自main()函数)。
Program:
程序:
#includeusing namespace std;class Number{ private: int num; public: void setNum(int n) { num = n; } int getNum(void) { return num; }};//a non member function void myFunction(class Number N, int number){ //calling setter function and asigning the number N.setNum(number) ; //calling getter function and printing the value cout<<"The value is: " << N.getNum() << endl;}//Main functionint main(){ //local variable of the main int num; //object to Number class Number objN; num = 10; //supplying this 'num' to the class by passing //the name to the class in a non memberfunction myFunction (objN, num); return 0;}
Output
输出量
The value is: 10
翻译自:
c中将数组传递给子函数
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