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Consider the following code. Is this valid in Java? Vehicle x = new Sedan ( ) ; No , because the new instance does not
Consider the following code. Is this valid in Java? Vehicle new Sedan; No because the new instance does not match the data type Yes, if Sedan is a subclass of Vehicle Yes, because all sedans are vehicles Yes, if Sedan is the parent class to Vehicle 
Consider the following code. Is this valid in Java?
Vehicle new Sedan;
No because the new instance does not match the data type
Yes, if Sedan is a subclass of Vehicle
Yes, because all sedans are vehicles
Yes, if Sedan is the parent class to Vehicle
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Essentials of Database Management
Authors: Jeffrey A. Hoffer, Heikki Topi, Ramesh Venkataraman
1st edition
133405680, 9780133547702 , 978-0133405682
