String Constant in C Programming Language

• String is “Sequence of Characters“.
• String Constant is written in Pair of Double Quotes.
• String is declared as Array of Characters.
• In C , String data type is not available.
• Single Character String Does not have Equivalent Integer Value i.e ASCII Value

Different Constant Values Contained inside String :-

String with Single Character                                "a"

String With Multiple Characters                     "Ali"

String With Digits                                                   "123"

String With Blanks                                           "How are You"

Note :-

1] 'A' is not Equal to "A"

2] 'A' ==> Requires 1 byte Memory

3] "A" ==> Requires 2 byte Memory

Summary :

Example	Meaning
“a”	String with Single Character
“Ali”	String With Multiple Characters
“123?	String With Digits
“How are You”	String With Blanks