How to search for a Key in a Scala Map

0 votes

Can anyone show how to search for KEY in a Scala Map?

Jul 29, 2019 in Apache Spark by Ronita
374 views

1 answer to this question.

0 votes

Hey,

The Map.contains() method will tell you if a certain key exists in the Map. Here is an example:

scala> m.contains("Giti")

res10: Boolean = true

scala> m.contains("Niti")

res11: Boolean = false
answered Jul 29, 2019 by Gitika
• 65,890 points

Related Questions In Apache Spark

0 votes
1 answer

How to get ID of a map task in Spark?

you can access task information using TaskContext: import org.apache.spark.TaskContext sc.parallelize(Seq[Int](), ...READ MORE

answered Nov 20, 2018 in Apache Spark by Frankie
• 9,830 points
2,528 views
0 votes
1 answer

How to remove the elements with a key present in any other RDD?

Hey, You can use the subtractByKey () function to ...READ MORE

answered Jul 22, 2019 in Apache Spark by Gitika
• 65,890 points
2,926 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
• 65,890 points
4,531 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
• 65,890 points

edited Jul 29, 2019 by Gitika 957 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
9,349 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
1,713 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
86,553 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
375 views
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
• 65,890 points
275 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