What is the precise difference between encapsulation and abstraction? 40 Answers 40 Most answers here focus on OOP but encapsulation begins much earlier: Every function is an encapsulation; in pseudocode: point x = { 1, 4 } point y = { 23, 42 } numeric d = distance(x, y) Here, distance encapsulates the calculation of … Read more
What’s the advantage of using getters and setters – that only get and set – instead of simply using public fields for those variables? If getters and setters are ever doing more than just the simple get/set, I can figure this one out very quickly, but I’m not 100% clear on how: public String foo; … Read more
There are actually many good reasons to consider using accessors rather than directly exposing fields of a class – beyond just the argument of encapsulation and making future changes easier. Here are the some of the reasons I am aware of: Encapsulation of behavior associated with getting or setting the property – this allows additional functionality (like validation) … Read more
