Introduction
Format-Specifiers are used in Objective-c to implant object-values into a string.
Syntax
- %@ //String
- %d //Signed 32-bit integer
- %D //Signed 32-bit integer
- %u //Unsigned 32-bit integer
- %U //Unsigned 32-bit integer
- %x //Unsigned 32-bit integer in lowercase hexadecimal format
- %X //Unsigned 32-bit integer in UPPERCASE hexadecimal format
- %o //Unsigned 32-bit integer in octal format
- %O //Unsigned 32-bit integer in octal format
- %f //64-bit floating-point number
- %F //64-bit floating-point number printed in decimal notation
- %e //64-bit floating-point number in lowercase scientific notation format
- %E //64-bit floating-point number in UPPERCASE scientific notation format
- %g //special case %e which uses %f when less than 4 sig-figs are available, else %e
- %G //special case %E which uses %f when less than 4 sig-figs are available, else %E
- %c //8-bit unsigned character
- %C //16-bit UTF-16 code unit