Swift initialization of empty string

1 to construct a long string, you can create an empty string as the initial value. You can assign an empty string literal to a variable, or you can initialize a new string instance:2var emptystring =""               //empty string literal3var anotheremptystring = String ()//initializing a String instance4 //the two strings are both empty and equivalent. 5 you can determine whether the string is empty by checking its Boolean IsEmpty property:6 Copy Plain Text new window7 8 ifEmptystring.isempty {9println"there's nothing.")Ten } One //print Output: "Nothing at all"

Swift initialization of empty string