Chapter 11: Problem 26

Assume a class named yen exists. Write the header for a member function that overloads the \(<\) operator for that class.

Short Answer

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Question: Write the header for a member function that overloads the less than operator for a class named "yen". Answer: bool operator<(const yen& other) const;

Step by step solution

Understand what operator overloading is

Operator overloading is a feature in object-oriented programming languages that allows programmers to redefine how a specific operator (like +, -, *, /, <, etc.) behaves for different data types. In this case, the goal is to overload the \(<\) (less than) operator for a class named "yen".

Identify the components of the member function header

There are a few components needed for the function header: 1. Return type: Since we're comparing two objects using the \(<\) operator, the result will be either true or false. Therefore, the return type should be "bool". 2. Function name: The function name should be "operator<". This is the predefined syntax for overloading the \(<\) operator. 3. Parameters: Since we're comparing two objects of the same class (yen), we need one parameter (in addition to the calling object) of type "yen". The parameter should be passed by reference (using &) to avoid unnecessary copying, and it should also be marked as "const" since we do not intend to modify it.

Write the function header

Based on the analysis above, the function header for overloading the \(<\) operator for the "yen" class should look like this: bool operator<(const yen& other) const;

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Assume a class named yen exists. Write the header for a member function that overloads the \(<\) operator for that class.

Short Answer

Step by step solution

Understand what operator overloading is

Identify the components of the member function header

Write the function header

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