index.md

layout	pattern
title	Private Class Data
folder	private-class-data
permalink	/patterns/private-class-data/
categories	Other
tags	Java Difficulty-Beginner Idiom

Intent: Private Class Data design pattern seeks to reduce exposure of attributes by limiting their visibility. It reduces the number of class attributes by encapsulating them in single Data object.

Applicability: Use the Private Class Data pattern when

• you want to prevent write access to class data members