Tag Archives: s-99

Scala Problem Number Six

Posted on 21 Aug 2011 by Paulo "JCranky" Siqueira

From the Scala 99 Problems, lets face the problem number six: P06 (*) Find out whether a list is a palindrome. Example: scala> isPalindrome(List(1, 2, 3, 2, 1)) res0: Boolean = true The first thing I had to do was … Continue reading →

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Scala Problem Number Five

Posted on 25 Jun 2011 by Paulo "JCranky" Siqueira

From the Scala 99 Problems, the problem number five goes like this: P05 (*) Reverse a list. Example: scala> reverse(List(1, 1, 2, 3, 5, 8)) res0: List[Int] = List(8, 5, 3, 2, 1, 1) Starting with the obvious solution, using … Continue reading →

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Scala Problem Number Four

Posted on 20 May 2011 by Paulo "JCranky" Siqueira

Lets solve now the problem number four, from the Scala 99 Problems. This one goes as follows: P04 (*) Find the number of elements of a list. Example: scala> length(List(1, 1, 2, 3, 5, 8)) res0: Int = 6 Lets … Continue reading →

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Scala Problem Number Three

Posted on 1 May 2011 by Paulo "JCranky" Siqueira

I almost forgot I started this ‘series’… Sorry! Now, with some time at hand, lets look at the problem number three, from the Scala 99 Problems. Like problem number one and two, this one is about list manipulations. It says: … Continue reading →

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Scala Problem Number Two

Posted on 21 May 2010 by Paulo "JCranky" Siqueira

Following with my take on the Scala 99 Problems that I started here, lets talk a little bit about the second one. Here is the problem definition, from the original page: P02 (*) Find the last but one element of … Continue reading →

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Ninety-Nine Scala Problems

Posted on 16 May 2010 by Paulo "JCranky" Siqueira

Listening to a few different podcasts (The Java Posse among them), I found out about Ninety-Nine Scala Problems. As the description on the site says, it is an adaptation of the original Ninety-Nine Prolog Problems. I find the idea very … Continue reading →

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