Scala For Apache Spark|Session2|Scala Software Installation|Fundamentals Intro|Manohar Papasani
Concurrency control
Scala provides standard library which includes the actor model. You can write concurrency code by using actor. Scala provides one more platform and tool to deal with concurrency known as Akka.
Scala is written in java
it interoperates with java
.class
java--javac--bytecode--JVM--MC--o/p.
.class
scala--scalac--bytecode--JVM--MC--o/p
System Requirements
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os--windows
RAM--4 GB
HardDisk--100 GB
Java jdk
Eclipse,intellij etc
steps:
download and install java
download and install scala
downlod development tool like eclipse/intellij.
Eclipse for scala.
Prepare Environment for Scala
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Download jdk 8 or above.
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Writing a program
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Interactive mode---
Writing and executing statements from command line.
Testing
Batch mode
We write code in the form of file and run from IDE or command line.