访问成员函数的三种方式:
- 对象名
Count counter;
counter.setX(1);
cout << "counter.setX(1);" ;
counter.print();
- 指向对象的指针
Count *counterPtr = &counter;
counterPtr->setX(2);
cout << "counterPtr->setX(2);";
counterPtr->print();
- 对象的引用
Count &counterRef = counter;
counterRef.setX(3);
cout << "counterRef.setX(3);";
counterRef.print();
输出
counter.setX(1);1
counterPtr->setX(2);2
counterRef.setX(3);3
Program ended with exit code: 0
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