How to create a string object in Objective C?
The string in Objective-C programming language is represented using NSString and its subclass NSMutableString provides several ways for creating string objects. The simplest way to create a string object is to use the Objective-C @”…” construct −. NSString *greeting = @”Hello”;
When to declare a method in Objective C?
Method declaration is required when you define a method in one source file and you call that method in another file. In such case you should declare the function at the top of the file calling the function. While creating a Objective-C method, you give a definition of what the function has to do.
Which is an example of an Objective C function?
The Objective-C foundation framework provides numerous built-in methods that your program can call. For example, method appendString () to append string to another string. A method is known with various names like a function or a sub-routine or a procedure, etc.
Can you use C + + and Objective C together?
Objective C++ is C++ and Objective-C together. You can use any C++ stuff and mix it with any Objective-C stuff, just remember to rename your file from .m to .mm.
Can a keyword be used as an identifier in C?
You cannot use keywords (either C or Microsoft) as identifiers; they are reserved for special use. You create an identifier by specifying it in the declaration of a variable, type, or function. In this example, result is an identifier for an integer variable, and main and printf are identifier names for functions.
How to create an identifier for a variable?
You create an identifier by specifying it in the declaration of a variable, type, or function. In this example, result is an identifier for an integer variable, and main and printf are identifier names for functions.
How are identifiers treated in Microsoft C compilation?
Microsoft C treats identifiers within a compilation unit as case sensitive. The Microsoft linker is case sensitive. You must specify all identifiers consistently according to case. The “source character set” is the set of legal characters that can appear in source files. For Microsoft C, the source set is…