![When Should I Use `delete` vs. `delete[]` in C ?](https://img.php.cn/upload/article/000/000/000/173553433241633.jpg)
C?? 'delete'? 'delete[]'? ??? ??
C?? 'delete'? 'delete[]' ???? ?? ?? ??? ?????. ?? 'new'? 'new[]'? ???? ???? ??? ??? ?? ??? ??? ??????. ??? ??? ?? ???? ??? ???????.
'delete' ???
'delete' ???? 'new'? ?????? ?? ??? ?? ??? ??? ???? ? ?????. ?? ?? ??? ?? ??? ??? ???? ??? ??? ?? ? ??? ?????.
MyClass* myObject = new MyClass(); // ... delete myObject; // Deallocate memory and call the destructor
'delete[]' ???
'delete'? ?? 'delete[ ]' ???? 'new[]'? ??? ?? ??? ??? ??? ??? ???? ?? ???? ????. ??? ??? ??? ?? ??? ?? ?? ? ??? ?? ???? ?????.
MyClass* myArray = new MyClass[size]; // ... delete[] myArray; // Deallocate memory and call destructors for each element
??? ???: ?? ?? ??
'??'? '??[]? ???? ??? '? ??? ??? ?? ??? ??? ????. 'delete'? ?? ????? ??? ??, 'delete[]'? ?? ?? ??? ?????.
??? ???? ?? ???? ???? ?? ??? ??? ? ????. ?? ?? 'new[]'?? ?? ?? ???? 'delete'? ????? 'new'? ?? ??? ???? 'delete[]'? ???? ?? ???? ????.
? ??? C?? `delete`? `delete[]`? ?? ???? ????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!
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C ??? : ??? ??? ???? ??? ?????
Jun 20, 2025 am 12:05 AM
?, ?? ???? C? ??? ??, ?? ??? ? ??????. 1. ?? ???? ??? ??? ?? ?? ??? ?? ?? ??? ?????. 2. ????? ??? ?? ??? ?? ??? ??? ?? ? ??? ?????. 3. ??? ???? ?? ?? ???? ???? ?? ?? ??? ??? ????? ????? ???? ?????.
C? ???? ?????? ????
Jun 20, 2025 am 12:08 AM
C? ? ?? ?? ??? ??? ??? : ??? ?? ??? ? ??? ???. 1. ??? ?? ???? ?? ??? ? ???? ?? ????? ?? ??? ????? ?? ???? ??? ? ????. 2. ??? ???? ?? ?? ? ??? ?? ???? ???? ??? ?? ?? ??? ?????.
C : ???? ?? ??????
Jun 20, 2025 am 12:01 AM
?, C? ???? ?? ?????. 1) ??? ??? ?? ?? ? ??? ???? ?????. 2) ?? ???? ???? ??? ????. 3) ?? ??? ????? ??? ?? ???? ??? ??? ? ??????. ?? ? ??? ?? ???? ???? ??? ?????? ??? ?? ?????.
C ??? : ???? ??
Jun 20, 2025 am 12:12 AM
C DestructorsCanleadToSeVeralCommonerrors.toaVoidthem : 1) ?? ?? ?? ?? ?? ?? ???
C? ??? : ????? ??? ? ???
Jun 21, 2025 am 12:11 AM
C? ???? ??? ??? ? ??? ?? ????? ????. 1. ??? ???? ?? ??? ?? ????? ???? ??? ??? ???? ?? ? ? ????. 2. ??? ?? ???? ?? ??? ? ???? ?? ????, ??? ???? ?????.
C ???? ?? ?????? ????
Jul 01, 2025 am 01:11 AM
?? ???? ??? C?? ??? ??? ???? ??? : ? ????? ? ? ????? C? ??? ? ????? ?? ?? ??? ?? ??? ???? ?????. 1. ?? ??? ???? C? ?? ??? ???? ?? ?? ?? Curly Braces {}? ???? ?? ??? ?? ??? ???????. 2. ?? ??? ? ??? ?? ???? C?? ?? ??? ?? ????? ??? ???? ???? ???? ??? ?????? ???????. RAII ??? ?? ??? ??? ? ????. 3. ?? ? ??? ???? C? ?? ?, ??? ? ???? ?? ??? ??????? ??? ???? ?? ?? ??? ???????. 4. ?? ????? ???? STL? ??? ????? ????? ????? ???? ????? ????? ???????. 5
C?? ??? ??? ???? ??????
Jun 20, 2025 am 12:21 AM
C polymorphismincludescompile time, ??? ? Templatepolymorphism.1) compile-timepolymorphismusesfunctionandoveroveroverforlogy
C ??? : ?? ???
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C polymorphismisuniqueduetoitscompikeofile-timeandruntimepolymorphism, forbothefficiency andfoxible.toharnesspowertylogly : 1) audesMartPointerSlikestd :: Quanior_PtrformemoryManagement, 2) ?? baseclasseshavevirtuctors, 3) ??
