Answer
Checks whether an object belongs to a specific class or subclass.
Useful for safe type casting.
Useful for safe type casting.
Quick Answer
instanceof checks if an object is an instance of a class or implements an interface at runtime. Returns true if the object is the specified type or a subtype. Usage: if (obj instanceof String s) (Java 16 pattern matching - casts and binds in one step). Use before downcasting to avoid ClassCastException. instanceof on null always returns false.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ