Was ist Unterschied zwischen einzelnen invertierten und doppelten in Programmiersprachen invertiert
[...] In common usage, there may be a distinction between the
single and double quotation marks in this context; often, single
quotation marks are used to embrace single characters, while
double quotation marks enclose whole words or phrases[.]
Simply: according to the charcter check for string and char
1. if char , then use '';
2. if string , then use "";
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