How to reverse a Scala list

0 votes
Can anyone explain how to reverse a Scala list with a example?
Aug 1, 2019 in Apache Spark by Niraj
838 views

1 answer to this question.

0 votes

Hi,

This reverses the order of elements in a list using the List. reverse method.

Here is an example you can follow:

scala> a

res6: List[Int] = List(1, 2, 3)

scala> a.reverse

res7: List[Int] = List(3, 2, 1)

scala> a

res8: List[Int] = List(1, 2, 3)
answered Aug 1, 2019 by Gitika
• 65,910 points

Related Questions In Apache Spark

0 votes
1 answer

How can you use "for" statement in scala to print list from collection?

Hi, You can use for loop in scala using ...READ MORE

answered Jul 5, 2019 in Apache Spark by Gitika
• 65,910 points
489 views
0 votes
1 answer

How to declare a Empty Scala Map?

Hi, You can either declare an empty Scala ...READ MORE

answered Jul 29, 2019 in Apache Spark by Gitika
• 65,910 points

edited Jul 29, 2019 by Gitika 1,812 views
0 votes
1 answer

How to search for a Key in a Scala Map?

Hey, The Map.contains() method will tell you if ...READ MORE

answered Jul 29, 2019 in Apache Spark by Gitika
• 65,910 points
800 views
0 votes
1 answer

How to format a string in Scala?

Hey, To format a string, use the .format ...READ MORE

answered Jul 31, 2019 in Apache Spark by Gitika
• 65,910 points
562 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
10,558 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
2,185 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
104,213 views
0 votes
1 answer

How to append a list in Scala?

Hey, For this purpose, we use the single ...READ MORE

answered Jul 26, 2019 in Apache Spark by Gitika
• 65,910 points
5,408 views
0 votes
2 answers

How to execute a function in apache-scala?

Function Definition : def test():Unit{ var a=10 var b=20 var c=a+b } calling ...READ MORE

answered Aug 5, 2020 in Apache Spark by Ramkumar Ramasamy
659 views
webinar REGISTER FOR FREE WEBINAR X
REGISTER NOW
webinar_success Thank you for registering Join Edureka Meetup community for 100+ Free Webinars each month JOIN MEETUP GROUP