Web Reference: Nov 14, 2025 · Initializing a pointer ensures it points to a valid memory location before use. We have to first dereference the pointer to access the value present at the memory address. This is done with the help of dereferencing operator (*) (same operator used in declaration). For example, Here, we declared an array, mark, of floating-point type. And its size is 5. Meaning, it can hold 5 floating-point values. It's important to note that the size and type of an array cannot be changed once it is declared. The other caveat is, you would have to write an initializing function for each type you will support and you would also have to modify the printArray() function to support those types.
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