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iOS

Posted by Bao Pham
Bao Pham
Courses Plus Student 240 Points

Printing Results: String Interpolation.

So I don't entirely understand this feature of String Interpolation from the "Printing Results" Session.

When he says if I did not have a variable or constant "Declared" like a "String" then I would have to re-write Swift or Objective-C over and over again throughout the project.

That doesn't make sense for me. Even after using String Interpolation and having the constant declared, I don't see any huge advantages. Why? You still could just simply scroll back up to the top and just change the string from a variable or constant and the same effect would be in place. All other codes using the constant or variable will change the string regardless of having a variable or a constant declared. Don't entirely understand the advantages of having and using the String Interpolation when I can simply just do this or that.

1 Answer

Jhoan Arango
Jhoan Arango
14,575 Points
Jhoan Arango
Jhoan Arango
14,575 Points

Hello Bao: I don’t really understand your question, but seeing that you do not understand string interpolation I will give you an example of what it is. 

// Say you declare a variable called “myName” and you give it a value of a string 
// “Hello, my name is Bao”. 

var myName = "Hello, my name is Bao"

// Now say that somewhere in your code you want to print the value of the variable 
// “myName” along with another message, then you do the following.

println("\(myName) and I am learning Swift”) 
// This will print “Hello, my name is Bao and I am learning Swift"

This will help you print the value of any variable or constant within a String.

hope that helps