What is a pointer in C++?
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C++ Programming · all questionsPointers and References in C++
Pointers and References in C++
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How do you declare a pointer variable in C++?
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What is the output of the following code: int x = 5; int *ptr = &x; cout << *ptr; in C++?
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What is the correct syntax to dereference a pointer in C++?
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What is the purpose of the 'nullptr' keyword in C++?
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What does the 'nullptr' keyword replace in C++11 and later versions?
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What is the purpose of the 'reference' in C++?
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What is the output of the following code: int x = 5; int &ref = x; cout << ref; in C++?
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What happens when a reference is declared but not initialized in C++?
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How do you declare a reference variable in C++?
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What is the purpose of a null pointer in C++?
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What is the output of the following code: int arr[3] = {1, 2, 3}; int *ptr = arr; cout << *(ptr + 1); in C++?
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What is a dangling pointer in C++?
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What is the address-of operator in C++?
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What is the output of the following code: int arr[] = {1, 2, 3}; cout << *arr; in C++?
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How do you declare a constant pointer to an integer variable in C++?
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What is a pointer to a pointer known as in C++?
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What does the 'new' keyword do in C++?
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What is a null reference in C++?
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What is the output of the following code: int x = 10; int *ptr = &x; cout << *ptr << " " << ptr; in C++?
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