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What are setters and getters? Why do I need them? What is a good example of them in use in an effective way? What is the point of a setter and getter?
Update:
Can I get some coding examples please?
A getter is a method that gets the value of a property. A setter is a method that sets the value of a property. There is some contention about their efficacy, but the points are generally:
for completeness of encapsulation
to maintain a consistent interface in case internal details change
More useful is when you need to add some logic around getting or setting, like validating a value before you write it.