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Programming - what is letter case?
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In this article, we would like to show you what is letter case in programming.
Letter case is the distinction between the larger letters (capitals / uppercase / majuscule) and smaller letters (lowercase / minuscule) in the written representation of certain languages.
The writing systems that distinguish between the uppercase and lowercase have two parallel sets of letters. The two case variants are alternative representations of the same letter (they differ only in size).
Letters in upper and lowercase have the same name and pronunciation and are treated identically when sorting in alphabetical order.
English alphabet in uppercase:
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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
English alphabet in lowercase:
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a b c d e f g h i j k l m n o p q r s t u v w x y z