Getter and Setter Methods for Java Classes - Accessor and Mutator - APPFICIAL

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Fields are typically declared with an access modifier such as public or private. Fields are typically made private to ensure information hiding
In order to access the value of a field, a public getter (accessor) and setter (mutator) method is provided. A mutator method may modify a field belonging to a class. An accessor method can retrieve the field, but not modify it.

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