Question: Consider the classes below, declared in the same file:Both variables a and b are instance variables. After the constructor for class B executes, the variable

Consider the classes below, declared in the same file:Both variables a and b are instance variables.
After the constructor for class B executes, the variable a will have the value 7.
After the constructor for class B executes, the variable b will have the value 8.
A reference of type A can be treated as a reference of type B.
Consider the classes below, declared in the same file:Both variables a

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