[Solved] How does encapsulation in Java improve program security and maintenance? — Ans: By hiding internal data and allowing controlled access through methods | Java

Java - Object-Oriented Programming Concepts

How does encapsulation in Java improve program security and maintenance?

ABy hiding internal data and allowing controlled access through methods

BBy making all variables public so they can be changed anywhere

CBy removing the need for any methods in classes

DBy forcing all code to be written in the main method

Step-by-Step Solution

Solution:

Step 1: Define encapsulation
Encapsulation means hiding data inside a class and exposing it only through methods (getters/setters).
Step 2: Explain benefits
This protects data from unwanted changes and makes maintenance easier by controlling access.
Final Answer:
By hiding internal data and allowing controlled access through methods -> Option A
Quick Check:
Encapsulation = Data hiding + controlled access [OK]

Quick Trick: Use private variables with getters/setters [OK]

Common Mistakes:

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