Access specifiers
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1) The access specifier determines how accessible the field is
to code in other classes. Access ranges from totally
accessible to totally inaccessible. You can optionally
declare a field with an access specifier keyword: public,
private, or protected.
2) private, or protected.
2) it will define scope
Access Modifiers
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1) You can optionally declare a field with a modifier keyword:
final or volatile and/or static and/or transient.
2) private, protected or default.
3) It defines the behaviour