Access modifiers in Java control the accessibility and inheritance of classes, methods, and fields. There are three main access modifiers: private, protected, and public. Private members can only be accessed within their own class, protected within the package and subclasses, and public anywhere. Access modifiers also impact inheritance, with private members not being inherited by subclasses while protected and public can be.

1. ACCESS MODIFIER AND
INHERITANCE

2. DEFINATION OF ACCESS MODIFIER
• It is simply a keyword in java that provides accessibility of a class and its members.
• Set in the access level to method, variable, classes and constructors.
• Classification of access modifier are:-
• Private
• Protected
• Public

3. PRIVATE ACCESS MODIFIER
• It is the most restrictive access level whereby they are accessible only within the class itself.
• A superclass private members are not inherited by its subclasses.
• Example of Private Access Modifier is:

5. PROTECTED ACCESS MODIFIER
• It can be accessed by only the class of same package and the subclass present in any package.
• It has visibility in sub classes and Classes cannot be declared as protected.
• Example of Protected Access Modifier:

7. PUBLIC ACCESS MODIFIER
• It can be access with any classes.
• It is widest scope among all other modifiers.
• Example of Public Access Modifier is:

9. SCOPE OF ACCESS MODIFIERS IN TABULAR FORM
Access
Modifier
Within
Class
Within
Package
Outside Package By
Subclass only
Outside
Package
Private Y N N N
Protected Y Y Y N
Public Y Y Y Y

10. ACCESS MODIFIER AND INHERITANCE
• Inherits features of parent’s object/class to the child’s object/class.
• Extends keyword is used to inherit the features of superclass.

11. THANK YOU!!