What are access modifiers in Java, and what are their different levels of visibility?

Access modifiers in Java are keywords used to define the accessibility or visibility of classes, methods, and variables. There are four types of access modifiers:

  1. Public: Public members are accessible from anywhere, both within the same class and from other classes.

  2. Protected:Protected members are accessible within the same class, subclasses, and other classes in the same package.

  3. Default (no modifier):Members with no explicit access modifier have package-level visibility, meaning they can be accessed within the same package only.

  4. Private: Private members are accessible only within the same class. They cannot be accessed from any other class, including subclasses.

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Python 09-06-23, 12:40 p.m. Muskan
Access modifiers in Java are keywords that control the visibility or accessibility of classes, fields, methods, and other members within a Java program. There are four main levels of visibility:
  1. Public: When a member is declared as "public," it can be accessed from anywhere in the program, both within and outside the class.
  2. Protected: Members declared as "protected" are accessible within the same package and by subclasses, even if they are in different packages.
  3. Default (No Modifier): If no access modifier is specified, the member has "package-private" visibility, which means it can only be accessed within the same package.
  4. Private: Members declared as "private" are the most restricted and can only be accessed within the same class.
19-09-23, 11:06 a.m. hema41

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20-11-23, 1:47 p.m. anandkaruna

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