Answer: ....
all instance variables can be uniformly accessed by sub classes and super classes objects of a subclass can be treated like objects of their super class
Explanation:
Inheritance in Java is a mechanism in which one object acquires all the properties and behaviors of a parent object. The idea behind inheritance in Java is that you can create new classes that are built upon existing classes. When you inherit from an existing class, you can reuse methods and fields of the parent class.
One of the key benefits of inheritance is to minimize the amount of duplicate.
One of the key benefits of inheritance is to minimize the amount of duplicate code in an application by sharing common code among several sub classes.
Inheritance can also make application code more flexible to change because classes that inherit from a common super class can be used interchangeably.
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Answer:
Listen carefully to the customer and avoid getting defensive or even offensive.
Explanation:
The customer have every right to be angry since he might be ignorant of the work done and only act base on what he sees. In this scenario you need to listen carefully to his complain avoid been defensive and also avoid getting him/her more angry by been offensive. after he has laid out his complain you can then go ahead to explain why it is necessary to bend the hinge on the lid.