What is Options in Scala

0 votes

Can someone explain the function of Options in Scala?

Jul 26, 2019 in Apache Spark by Suraj
197 views

1 answer to this question.

0 votes

Hey,

A Scala Option is a kind of a container. It can hold zero or one element of a type. When it holds a value, it holds Some[T]; otherwise, it holds a None object.

scala> val o:Option[Int]=Some(7)

o: Option[Int] = Some(7)

scala> val o1:Option[Int]=None

o1: Option[Int] = None
answered Jul 26, 2019 by Gitika
• 65,870 points

Related Questions In Apache Spark

0 votes
1 answer

What is ofDim in Scala?

Hey, ofDim() is a method in Scala that ...READ MORE

answered Jul 24, 2019 in Apache Spark by Gitika
• 65,870 points
2,774 views
0 votes
1 answer

What is exception propagation in Scala?

Hi, When a function experiences an exception, it ...READ MORE

answered Jul 25, 2019 in Apache Spark by Gitika
• 65,870 points
322 views
0 votes
1 answer

What is BitSet in Scala?

Hey, A BitSet is a set of non-negative ...READ MORE

answered Jul 25, 2019 in Apache Spark by Gitika
• 65,870 points
254 views
0 votes
1 answer

What is Streams in Scala?

Hi, A stream is a lazy list as ...READ MORE

answered Jul 25, 2019 in Apache Spark by Gitika
• 65,870 points
204 views
+1 vote
2 answers
+1 vote
1 answer

Hadoop Mapreduce word count Program

Firstly you need to understand the concept ...READ MORE

answered Mar 16, 2018 in Data Analytics by nitinrawat895
• 11,380 points
8,934 views
0 votes
1 answer

hadoop.mapred vs hadoop.mapreduce?

org.apache.hadoop.mapred is the Old API  org.apache.hadoop.mapreduce is the ...READ MORE

answered Mar 16, 2018 in Data Analytics by nitinrawat895
• 11,380 points
1,601 views
+2 votes
11 answers

hadoop fs -put command?

Hi, You can create one directory in HDFS ...READ MORE

answered Mar 16, 2018 in Big Data Hadoop by nitinrawat895
• 11,380 points
80,345 views
0 votes
1 answer

What is “Unit” and “()” in Scala?

Hey, Unit is a subtype of scala.anyval and ...READ MORE

answered Jul 24, 2019 in Apache Spark by Gitika
• 65,870 points
354 views
0 votes
1 answer

What is the advantage of having immutability in design for Scala programming language?

Hi, Scala uses immutability by default in most ...READ MORE

answered Jul 24, 2019 in Apache Spark by Gitika
• 65,870 points
279 views
webinar REGISTER FOR FREE WEBINAR X
Send OTP
REGISTER NOW
webinar_success Thank you for registering Join Edureka Meetup community for 100+ Free Webinars each month JOIN MEETUP GROUP