[Solved] What does partial abstraction mean in Java? — Ans: An abstract class can have both abstract and concrete methods. | Java

Java - Abstraction

What does partial abstraction mean in Java?

AAn abstract class can have both abstract and concrete methods.

BAn abstract class can only have abstract methods.

CAn abstract class can be instantiated directly.

DAll methods in an abstract class must be static.

Step-by-Step Solution

Solution:

Step 1: Understand abstract class capabilities
Partial abstraction means an abstract class can have some methods with implementation (concrete) and some without (abstract).
Step 2: Compare options with definition
Only An abstract class can have both abstract and concrete methods. correctly states this; others are incorrect or false statements.
Final Answer:
An abstract class can have both abstract and concrete methods. -> Option A
Quick Check:
Partial abstraction = abstract + concrete methods [OK]

Quick Trick: Abstract class can mix method types, not only abstract [OK]

Common Mistakes:

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