what is Access Modifiers or Specifiers & Scope in Java | public, private, protected, default

what is Access Modifiers or Specifiers & visibility in Java | public, private, protected, default?

There are two types of modifiers in java: access modifiers and non-access modifiers.
The access modifiers in java specifies accessibility (scope) of a data member, method, constructor or class.

There are 4 types of java access modifiers:

private
default
protected
public

There are many non-access modifiers such as static, abstract, synchronized, native, volatile, transient etc. Here, we will learn access modifiers.We will discuss on next video.

1) private access modifier
The private access modifier is accessible only within class.

default access modifier
If you don't use any modifier, it is treated as default bydefault. The default modifier is accessible only within package.

protected access modifier
The protected access modifier is accessible within package and outside the package but through inheritance only.

The protected access modifier can be applied on the data member, method and constructor. It can't be applied on the class.

public access modifier
The public access modifier is accessible everywhere. It has the widest scope among all other modifiers.

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