Scala and Spark for Big Data Analytics

Access and visibility

In this subsection, we will try to understand the access and visibility of Scala variables and different data types in the OOP paradigm. Let's have a look at access modifiers in Scala. A similar one for Scala:

Modifier	Class	Companion Object	Package	Subclass	Project
Default/No modifier	Yes	Yes	Yes	Yes	Yes
Protected	Yes	Yes	Yes	No	No
Private	Yes	Yes	No	No	No

 

Public members: Unlike a private and protected member, it is not required to specify the public keyword for public members. There is no explicit modifier for public members. Such members can be accessed from anywhere. For example:

class OuterClass { //Outer class  class InnerClass {    def printName() { println("My name is Asif Karim!") }       class InnerMost ...