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Detailed explanation of the principle:
The underlying architecture of this fraction calculator adopts object-oriented design methods. Among them, the integer class (Integer) and the fraction class (Fraction) constitute the basic data types of the calculator. The fractional class is derived from the integer class and has two member variables: numerator and denominator, as well as corresponding constructors, destructors, and display functions.
Fraction calculator supports addition, subtraction, multiplication and division operations. These operators are defined and implemented in the fraction class through operator overloading. For example, the addition operator overload (operator+) implements the operation of adding two fractions, and the multiplication operator overload (operator*) implements the operation of multiplying two fractions. Operator overloading allows us to directly use similar f1 + f2syntax to add fractions, improving the readability and ease of use of the code.
In addition, Fraction Calculator provides input and output functions for fractions. By overloading the stream extraction operator (operator>>) and the stream insertion operator (operator<<), we can read from the standard input stream using syntax cin >> fractionsimilar tocout << fraction