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user=> (char 65)
\A
user=> (char 97)
\a
user=> (str (char 65))
"A"
user=> (str (char 97))
"a"
These are the characters from the ascii decimal values ... How do I get the ascii decimal values from the characters?
927
The ord() function is an inbuilt function in Perl that returns the ASCII value of the first character of a string. This function takes a character string as a parameter and returns the ASCII value of the first character of this string.
Example: Find ASCII value of a character Now, to find the ASCII value of ch , we just assign ch to an int variable ascii . Internally, Java converts the character value to an ASCII value. We can also cast the character ch to an integer using (int) .
ASCII stands for American Standard Code for Information Interchange. It ranges from 0 to 255 in Decimal or 00 to FF in Hexadecimal.
Special Characters(32–47 / 58–64 / 91–96 / 123–126): Special characters include all printable characters that are neither letters nor numbers. These include punctuation or technical, mathematical characters.
user=> (doseq [c "aA"] (printf "%d%n" (int c)))
97
65
nil
user=> (map int "aA");;
(97 65)
user=> (apply str (map char [97 65]))
"aA"
A character is a number, it's just that clojure is showing it to you as a char. The easiest way is to just cast that char to an int.
e.g.
user=> (int \A)
65
user=> (int (.charAt "A" 0))
65
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