Scala Tutorial

Category : Scala | Sub Category : Scala Tutorial | By Prasad Bonam Last updated: 2023-10-21 04:29:12 Viewed : 301

1. Introduction to Scala

• What is Scala?
• Where to use Scala
• Basic “Hello ” program of scala
• History and development of Scala
• Advantages of Scala over other programming languages.

2. Getting Started with Scala

• Download And Install Scala IDE
• Installing Scala and development tools.
• Create a Scala maven project
• Running your first Scala program.

3. Basic Scala Syntax

• Scala Variables and Data Types
• Scala Variables and Data Types program
• Expressions and operators.
• Control structures (if, while, for). in scala
• Functions and methods in Scala
• Scala for-loop and yield
• Scala Break statement
• Scala while and do/while loop
• Scala Control structures(if-else) program
• Understanding the Scala REPL (Read-Eval-Print Loop).

4. Collections in Scala

• Scala - collections in Scala
• Lists, arrays, and sequences in Scala
• Maps and sets in Scala
• Immutable vs. mutable collections in scala
• Common collection operations in scala
• Scala - Multiple ways to iterate over a list
• Scala Collections - List
• Scala Collections – List (sort, foreach)
• Scala Collections – Seq
• Multiple ways to iterate over a Set
• Scala Collections List, Sequence, reduceLeft, filter, foldLeft, map and flatMap
• Scala Map and flatMap difference
• Scala Map and foreach
• Scala multi dimensionalArray
• Scala Set ,Union and Intersect
• Scala Set and foreach
• Scala Single dimensionalArray
• Scala - Multiple ways to iterate over a Map in Scala

5. Object-Oriented Programming in Scala

• Classes and objects in scala
• Scala Singleton Object
• Scala object and class
• Scala constructor and method
• Scala Tuple (Return Multiple Values)
• Scala- call a method of an object
• Implementations of equals, hashCode, and toString method in Scala.
• Constructors in Scala
• Scala - Inheritance and polymorphism
• Scala Method Overloading
• Scala Method Overriding
• Scala - Traits and mixins
• Scala trait,extends,with and Unit
• Scala- Case classes and pattern matching
• Case class examples in Scala
• Scala Match and Case expressions like a switch statement

6. Functional Programming in Scala

• First-class functions and higher-order functions in scala
• Closures and immutability in scala
• Recursion and tail recursion
• Option, Some, and None for handling null values

7. Error Handling

• Handling exceptions in Scala
• Using Try, Success, and Failure for error handling in scala
• Handling errors with pattern matching in scala
• Scala try catch and finally

• Scala program examples
• Read data from Hbase using Spark RDD and Scala
• Scala with HBase -Read, Insert and Update operations
• Scala with JDBC connection and SQL DELETE
• Scala with JDBC connection and SQL INSERT
• Scala with JDBC connection and SQL SELECT
• Scala with JDBC connection and SQL UPDATE