Given code: public abstract class a{ }public class b extends a{}the following code sequence would correctly create an object reference of class a holding an object reference for an object of class b: a c; c = new b(); truefalse

True.

Explanation:

In the code given in the question we have an abstract class A.Then we have a class B which inherits the class A it is also an example of single inheritance.

Line A c; creates a reference of A type.

Line c=new B(); states that the reference of A type will refer to an object of class B.

Hence we conclude that the answer is True.

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