For example: #define NAME "TechOnTheNet.com" In this example, the constant called NAME would contain the value of "TechOnTheNet.com". C# String Immutability. #define AGE 10. To represent a string, a set of characters are enclosed within double quotes ("). Apparently in C++11 and in GCC with extensions, we can write “raw strings” like this: char* my_str = R"Here is the first line. The preprocessor backslash-escapes the quotes surrounding embedded string constants, and all backslashes within string and character constants, in order to get a valid C string … Stringizing in C involves more than putting double-quote characters around the fragment. In c#, string is immutable, it means the string object cannot be modified once it created. You can use the #define directive to define a string constant. C only provides character type, therefore, a C string can be defined as an array of characters. null-terminated strings) Declaration. "; However, clang doesn’t seem to like this. For Example, if you want to store the name of students of a class then you can use the arrays of strings. I’d use that. Here, string array and arrays of strings both are same term. If it's C++, you should use the C++ Standard Library's std::string. A C string is usually declared as an array of char.However, an array of char is NOT by itself a C string. "and are compiled to an array of the specified char values with an additional null terminating character (0-valued) code to mark the end of the string. In c#, the string keyword is just an alias for String so both string and String are equivalent, and you can use whichever the naming convention you prefer to define string variables. C strings (a.k.a. The “concatenated string literals” approach has the added advantage of being able to indent the string in your code. The C string "Look Here" would look like as follows in memory: ... # define ARRAY_SIZE 15 char char_array[ARRAY_SIZE] = "Look Here"; 64. In C programming, a string is a sequence of characters terminated with a null character \0.For example: char c[] = "c string"; When the compiler encounters a sequence of characters enclosed in the double quotation marks, it appends a null character \0 at the end by default. Next: Safety First. It's much more clear than a preprocessor macro, it will have a single location in memory when it's defined, and it has all the extra functionality of std::string instead of only pointer comparisons as is the case … A string in C (also known as C string) is an array of characters, followed by a NULL character. "Hello world! When you define a string, you must reserve a space for the ( \0) null character. Raw string literals (C++11) A raw string literal is a null-terminated array—of any character type—that contains any graphic character, including the double quotation mark ("), backslash (\), or newline character. The first subscript of the array i.e 3 denotes the number of strings in the array and the second subscript denotes the maximum length of the string. Recall the that in C, each character occupies 1 byte of data, so when the compiler sees the above statement it allocates 30 bytes (3*10) of memory.. We already know that the name of an array is a pointer to the 0th element of the array. Here is the second line. Whereas a string is a sequence of Unicode characters or array of characters. The type of a string constant is char [].. backslash escapes []. In C, string constants (literals) are surrounded by double quotes ("), e.g. An array is a collection of the same type variable. A valid C string requires the presence of a terminating "null character" (a character with ASCII value 0, usually represented by the character literal '\0').. Null-terminated string. 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