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Why does NULL count as 4 characters in Salesforce Apex?
If I execute the block of code in the Anonymous window, it returns 8 as the length of the string. Do null string count towards the string length in Apex?
String s = 'Yosh';
String e = null;
String y = s + e;
System.Debug(y.trim().length()); //Returns 8 characters. Should return 4-
This discussion was modified 5 years, 6 months ago by
Yogesh.
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This discussion was modified 5 years, 6 months ago by
Forcetalks.
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This discussion was modified 5 years, 6 months ago by
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1 Reply
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Hi Yogesh,
In Apex Code, null actually doesn't count as any bytes (per se). However, when you add null to a string, it's typed coerced into a string four-characters long-- "null". This behavior seems to be rather specific to Apex Code. In other languages that allow null bytes in a string, null should actually be one byte long.
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