Of the abstraction. The values for getRadius() or getCircumference() in the above mentioned example may be stored immediately, or they could be calculated, it would not make a difference for the caller; the setters may possibly or may not have Unwanted effects; it does not matter to your caller. テキストはクリエイティブ・コモンズ https://propertyingurugram.in/the-trend-of-pre-leased-commercial-assets/