CODEWITHSUNDEEP
scala
Vishwas
Vishwas

Reputation: 7067

How to compare two list using Scala?

I have two lists

val firstList = List(("A","B",12),("P","Q",13),("L","M",21))
val secondList = List(("A",11),("P",34),("L",43))

I want output as below 

val outPutList = List(("P","Q",13,34),("L","M",21,43))

I want to compare third member of firstList to second element of secondList. This means - I want to check second list value as secondList.map(_.2) is greater than first list as firstList.map(_.3)

Upvotes: 3

Views: 661

Answers (1)

elm
elm

Reputation: 20435

Using a for comprehension as follows,

for ( ((a,b,m), (c,n)) <- (firstList zip secondList) if n > m) yield (a,b,m,n)

Upvotes: 7

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