Chapter 7: Problem 23

If the size declarator of an array definition is omitted, C++ counts the number of items in the _________ to determine how large the array should be.

Short Answer

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Question: If the size declarator of an array definition is omitted, C++ counts the number of items in the ______ to determine how large the array should be. Answer: initialisation list

Step by step solution

Understanding Array in C++

In C++, an array is a collection of elements of similar datatype. It is a derived datatype in C++. An array is defined by specifying its name, type of elements it will store and the number of elements it can store (which is known as the size of the array).

Missing Size Declarator of an Array in C++

If the size declarator of an array definition is omitted in C++, it means that the size of the array hasn't been specified directly in the declaration. However, this does not necessarily lead to a compile error or a runtime error. The size of the array will be determined automatically by the compiler.

Determine the Size of Array Automatically

When the size declarator of an array definition is omitted in C++, the compiler counts the number of items in the initialisation list to determine how large the array should be. Initialisation list refers to the list of values that are assigned to the elements of the array at the time of declaration.

Filling in the Blank

The correct word to fill in the blank in the exercise statement is "initialisation list." Therefore, the complete statement is: "If the size declarator of an array definition is omitted, C++ counts the number of items in the initialisation list to determine how large the array should be."

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If the size declarator of an array definition is omitted, C++ counts the number of items in the _________ to determine how large the array should be.

Short Answer

Step by step solution

Understanding Array in C++

Missing Size Declarator of an Array in C++

Determine the Size of Array Automatically

Filling in the Blank

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