Scala Tutorial 31 - Scala Trait

In this Scala Tutorial for beginners video We will discuss what is a scala trait and How to use Scala Traits. Traits in Scala are like partially implemented interfaces. Scala presents a halfway point between full multiple inheritance and Java single inheritance with interfaces model by giving you traits.
Traits give you the ability to recreate interfaces as Java does but also allows you to go further. Traits are the way to inherit from multiple class-like constructs, but they differ in important ways from the multiple inheritance present in many languages.
Traits are like Java’s interfaces
Syntax: trait TraitName { body }
Unlike Java, traits may have concrete (defined) methods
A class extends exactly one other class, but may with any number of traits
Syntax:
class ClassName(parameters) extends OtherClass with Trait1, …, TraitN { body }
class ClassName(parameters) extends Trait1 with Trait2, …, TraitN { body }

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