Author: Enpatika.com

Example 1: Java String format() %s in the format string is replaced with the content of language . %s is a format specifier . Similarly, %x is replaced with the hexadecimal value of number in String. format(“Number: %x”, number) .

2f” means “a floating-point number with two digits after the decimal point . When you use this initializer, Swift will automatically round the final digit as needed based on the following number.

A string is a series of characters , such as “hello, world” or “albatross” . Swift strings are represented by the String type. The contents of a String can be accessed in various ways, including as a collection of Character values.

%p expects the argument to be of type (void *) and prints out the address . Whereas %x converts an unsigned int to unsigned hexadecimal and prints out the result.

%d is for decimal integer . %s is for generic string or object and in case of object, it will be converted to string. Consider the following code name =’giacomo’ number = 4.3 print(‘%s %s %d %f %g’ % (name, number, number, number, number))

Strings in Swift are Unicode correct and locale insensitive, and are designed to be efficient. The String type bridges with the Objective-C class NSString and offers interoperability with C functions that works with strings. … Wrap each expression in a string interpolation in parentheses, prefixed by a backslash.