You have a class Employee with fields name and salary. You want to create a class Manager that adds a department field and reuses Employee code. How should you use inheritance here?

hard📝 Application Q8 of 15

Java - Inheritance

You have a class Employee with fields name and salary. You want to create a class Manager that adds a department field and reuses Employee code. How should you use inheritance here?

ACreate Manager without inheritance and copy Employee fields

BMake Employee extend Manager to inherit department

CMake Manager extend Employee to inherit name and salary

DUse interfaces instead of inheritance for fields

Step-by-Step Solution

Solution:

Step 1: Identify the base and derived classes
Employee is the base class with common fields; Manager is a specialized Employee with extra field.
Step 2: Apply inheritance correctly
Manager should extend Employee to reuse name and salary fields and add department.
Final Answer:
Make Manager extend Employee to inherit name and salary -> Option C
Quick Check:
Subclass extends superclass to reuse fields [OK]

Quick Trick: Subclass extends superclass to reuse fields [OK]

Common Mistakes:

Reversing inheritance direction
Copying fields instead of inheriting
Using interfaces for data fields

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More Java Quizzes

You have a class Employee with fields name and salary. You want to create a class Manager that adds a department field and reuses Employee code. How should you use inheritance here?

Step 1: Identify the base and derived classes

Step 2: Apply inheritance correctly

Final Answer:

Quick Check:

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