C++ pointer

@学无止境發表於2024-03-18
C++
    int* pInt = new int;
    *pInt = 5;
    cout << "---------------" << endl;
    cout << "&(*pInt)-->" << &(*pInt) << endl;
    cout << "pInt-->" << pInt << endl;
    cout << "&pInt-->" << &pInt << endl;
    delete pInt;
    cout << "---------------" << endl;
    //cout << "*pInt-->" << *pInt << endl;
    cout << "pInt-->" << pInt << endl;
    cout << "&pInt-->" << &pInt << endl;
    pInt = nullptr;
    cout << "---------------" << endl;
    //cout << "*pInt-->" << *pInt << endl;
    cout << "pInt-->" << pInt << endl;
    cout << "&pInt-->" << &pInt << endl;

輸出

---------------
&(*pInt)-->00947918
pInt-->00947918
&pInt-->0078FA4C
---------------
pInt-->00008123
&pInt-->0078FA4C
---------------
pInt-->00000000
&pInt-->0078FA4C

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