Question: Explain passing by reference using pointers and using reference. Which usage is better: pointers or reference? Why? Distinguish & operator and reference in C++ language.

Explain passing by reference using pointers and using reference. Which usage is better: pointers or reference? Why?

Distinguish & operator and reference in C++ language. Differentiate array of pointers and pointer to an array. Explain heap memory space or free storage space.

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