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Assume That the Function Call Operator() Is Overloaded for Data

question 19

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Assume that the function call operator() is overloaded for data type String in the usual sense of selecting a substring from a larger string. For a String object string1 with the character string "ABCDEFGHI", what string does string1(4, 2) return?


Definitions:

Flux Density

A measure of magnetic field strength, quantified as the amount of magnetic flux in a given area.

Inert Element

An inert element refers to a chemical element that exhibits very low reactivity due to having a full outer electron shell, such as noble gases.

Valence Shell

The outermost shell of electrons in an atom, important in determining an element's chemical properties.

Chemically Bonded

A method of joining materials using a process involving chemical reactions to create a strong bond between surfaces.

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