Object-oriented programming · interview question
How would you explain an invariant in the context of Java classes in an interview?
Multiple choiceEasychapter-3-curatedpremiumoopcontrolled-mutation
Answer and explanation
Correct answer
D. A condition that must always be true for an object
Why
An invariant is a condition that should always hold true for the object during its lifetime, ensuring the object remains in a valid state.
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