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Index › Programming Questions & Help › Syntax Questions › getting the datatype
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getting the datatype (Read 335 times)
abolin
getting the datatype
Nov 17th, 2006, 10:38am  
hi,
im new, -and i searched the site.. yet havent found anything. im looking for a function that gives me
the datatype (int, string, float etc.) of a variable.

i thought it would be getType() , but i allways get errors however i put it.
xyz.getType() getType(xyz) etc.


does anyone know the right function? or at least what i need to import to make it work?

thanks,
a
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JohnG
Re: getting the datatype
Reply #1 - Nov 17th, 2006, 10:58am  
I don't know how to determine if something is an int/float/byte/boolean, but for all Objects, there's .getClass() which will give you their Class, and instanceof to let you see if it's a perticular type of object.
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abolin
Re: getting the datatype
Reply #2 - Nov 17th, 2006, 4:10pm  
thanks for the tip, the variable is read and saved as a string so would always just get the string class in my case.

i guess i'll write my own little function analyzing each character to then convert it to the matching type..
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JohnG
Re: getting the datatype
Reply #3 - Nov 17th, 2006, 4:26pm  
Ah right, well if it's a string, then yes, everything will just say "String" since that's what it is.

However both int() and float() can take a string and output the value, e.g.
Code:
int a=int("3.1412");
float b=float("3.1412");
println(a);
println(b);
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