This was simply the choice of the language designers, who probably decided to carry over that convention from the C/C++ languages.
A data type consisting of more than one letter, like a word or a sentence. A single letter is normally known as a character data type. Normally strings are enclosed in double quotation marks and single letters are enclosed in single quotations marks: 'a' "animal"
A single-byte type of array has 1 byte per character; a wide-character array has 2 bytes per character of storage. Without seeing the exact definition it cannot be determined what the actual size of the array would be.
The question mark.
It is the apostrophe or single quote character ('). It has the ASCII code 0x27 (39 decimal).
It depends on where you are using it. Back in the DOS days, a * meant multiple characters and a ? meant one character. I've seen software that says to use *, ?, and % for wildcards, but they were all for multiple characters. So it really depends on what you are using. Not everything supports a single wildcard.
Use single quotation marks to indicate a quote within a quote.If you're using a quote that contains a quote you'll need to surround the embedded quote with single quotation marks.
If a word is in quotation marks, and you're quoting it, use single quotation marks to indicate an embedded quotation.
If a proper name or nickname is part of a quote and requires quotation marks, use double quotation marks for the overall quote and single quotation marks within the quote for the proper name or nickname.
Apostrophes and single quotation marks look similar because they evolved from the same mark in the Latin script, known as the virgule. Over time, the virgule was adapted to serve multiple functions, including denoting possession (apostrophe) and quotation. This convergence resulted in the similar appearance of apostrophes and single quotation marks.
Single quote marks are used for a quote within a quote.
A data type consisting of more than one letter, like a word or a sentence. A single letter is normally known as a character data type. Normally strings are enclosed in double quotation marks and single letters are enclosed in single quotations marks: 'a' "animal"
Use an apostrophe to create the single quotation mark.
The inner quotation is treated just like the outer quotation in terms of capitalization, commas etc., but the quotation marks are single rather than double. e.g. She replied, "He only exclaimed, 'I don't like you anymore!' and walked away." Before both quotations, the inner and the outer, there is a comma. The punctuation completing each quotation is still within the appropriate quotation marks - the exclamation point at the end of the internal exclamation is inside the internal quotations. However, the quotation marks for the inner quotation are single (like apostrophes - ' ) instead of double (as usual - " ).
A single-byte type of array has 1 byte per character; a wide-character array has 2 bytes per character of storage. Without seeing the exact definition it cannot be determined what the actual size of the array would be.
single quotation marks
Use an apostrophe to create the single quotation mark.
Typically, only full or partial sentences will be put in quotation marks. Very rarely will there be quotation marks around a single article, however, it can happen.