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Questions and Answers
Which keyword is used to overload the ++ operator in C++?
Which keyword is used to overload the ++ operator in C++?
What will happen if we write 'c1 = ++c2;'?
What will happen if we write 'c1 = ++c2;'?
What is the purpose of the 'int' in the parentheses of the overloaded ++ operator?
What is the purpose of the 'int' in the parentheses of the overloaded ++ operator?
What does the overloaded '+' operator do in C++?
What does the overloaded '+' operator do in C++?
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What is the purpose of operator overloading in C++?
What is the purpose of operator overloading in C++?
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Study Notes
Operator Overloading in C++
- In C++, the
operator++keyword is used to overload the increment (++) operator.
Overloading the Increment Operator
- When
c1 = ++c2;is written, the overridden++operator is called onc2first, and then the result is assigned toc1. - The prefix increment operator (
++) has a higher precedence than the assignment operator (=), so the increment operation is performed before the assignment.
Syntax of Overloaded ++ Operator
- The
intin the parentheses of the overloaded++operator is a return type, indicating that the operator returns an integer value.
Overloading the Addition Operator
- The overloaded
+operator in C++ is used to add two objects, allowing for custom operations to be performed when combining objects.
Purpose of Operator Overloading
- The purpose of operator overloading in C++ is to allow objects to be manipulated using operators in a more intuitive and natural way, similar to built-in data types.
- It enables developers to create objects that behave like primitive data types, making the code more readable and easier to understand.
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Description
Test your knowledge on operator overloading in C++. Learn about overloading unary and binary operators, data conversion, and the use of the "operator" keyword. Find out what happens when writing specific code involving overloaded operators.
