訪問(wèn).png
訪問(wèn)成員函數(shù)的三種方式:
- 對(duì)象名
Count counter;
counter.setX(1);
cout << "counter.setX(1);" ;
counter.print();
- 指向?qū)ο蟮闹羔?/li>
Count *counterPtr = &counter;
counterPtr->setX(2);
cout << "counterPtr->setX(2);";
counterPtr->print();
- 對(duì)象的引用
Count &counterRef = counter;
counterRef.setX(3);
cout << "counterRef.setX(3);";
counterRef.print();
輸出
counter.setX(1);1
counterPtr->setX(2);2
counterRef.setX(3);3
Program ended with exit code: 0
