Class Inheritance Correct Statements262 - Java Quiz Question

Class Inheritance Correct Statements263 Next-but

Given the following class hierarchy:

class A
{
}

class B
{
}

Which of the following statements is true.

X. Every B object is also an A object.
Y. Every A object is also a B object.

	X and Y
	X only
	Y only
	Neither X nor Y

Correct Answer : D

Given classes are A and B. Class A and class B are not related as parent-child. So neither, every object of A is object of B nor vice-versa.
If it was like below:

class A
{
}

class B extends A 
{
}

Then statement X would have been true.

Topic: Is-A Relationship In Java

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