Ace Your C++ Skills 2026 – Rock the ‘Thinking in C++’ Challenge!

Question: 1 / 565

Under what condition should self-assignment be checked in overloaded assignment operators?

When the operator modifies its left-hand operand

When dealing with dynamic memory allocation

Always as a general guideline

Self-assignment should always be checked in overloaded assignment operators as a general guideline. Self-assignment can occur when an object is assigned to itself, which can lead to issues such as memory leaks or loss of data. While self-assignment may not be a common occurrence, it is important to handle it properly in case it does happen. Option A is incorrect because the operator modifying its left-hand operand does not necessarily mean self-assignment is involved. Option B is incorrect because self-assignment should be checked regardless of whether dynamic memory allocation is involved. Option D is incorrect because self-assignment can occur in any class, not just ones involving textbook management.

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Only when the class involves textbook management

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