If you assign a new instance of a subclass object to a super-class variable without casting, what will happen when you compile your code? Oa A warning will appear Ob A ClassCastException will occur O c. A compile error will occur O d Will be fine

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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If you assign a new instance of a subclass object to a super-class variable without casting, what will happen
when you compile your code?
A warning will appear
Ob A ClassCastException will occur
O c. A compile error will occur
Od Will be fine
Transcribed Image Text:If you assign a new instance of a subclass object to a super-class variable without casting, what will happen when you compile your code? A warning will appear Ob A ClassCastException will occur O c. A compile error will occur Od Will be fine
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