[Newbies] Collection in Smalltalk

Marcin Tustin mm3 at zepler.net
Wed Sep 24 21:39:53 UTC 2008

You need to break this down into its component parts:
Write a method that tells you score of a character
Write a method that tells you the score of a string (hint: use inject:into:)
Write a method that tells you the dollar words (hint: use select: and

2008/9/24 Alex Chi <alex_chi99 at yahoo.com>

> Hi guys,
> I am just beginner in Smaltalk and I have some problem with collection in
> smalltalk.
> For this problem I have to define the value of an alphabetic character
> based on its location in the alphabet. So 'a' and  'A' each have value 1,
> 'b' and 'B' each have 2, etc. Non-alphabetic characters can be considered to
> have value 0.
> The value of a word is the sum of the value of all its characters. So
> 'Smalltalk' has value 101 and 'abc' has value 6.
> A dollar word is a word whose value is 100.  I want to add a method to the
> String class that returns all the dollar words in the string.
> So for example if the input is 'SmallTalk' the result is ('SmallTlk'
> 'SmllTlk').
> Please kindly help me guys. Really appreciate your help.
> Thanks.
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