Improve the parking transaction class below

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A: Answer: Abstract class can have both abstract and non-abstract(concrete) methods.

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A: Given: Create a RationalNumber (fractions) class like the one Provide the capabilities:Create a…

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A: Hello Student, hope you are doing well, I will be trying my best to explain and fulfill your query.…

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Q: Can a class be a super class and a sub-class at the same time? Give example.

A: Yes, Lets Take an Example:

Q: Bowler

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A: The answer to the following question:-

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A: checkfurther steps for the answer :

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Q: Change the classes "Line" and "Matrix" as follows: a. add a constructor with a message indicating…

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