Coding 2 Quiz 1 Practice

An environment in Xcode that mixes parts that explain concepts with live code that you can change.

These little notes (left by programmers) help people understand the code when they read it later.

Terms that have special meaning in the Swift programming language and can't be used for any other purposes.

You do this to code by adding two slashes (∕∕) to the beginning of its line. This line of code will be left out.

Refers to the value, function, type, or any other abstraction. A formal word for a name in code.

An identifier that is immutable (can never be changed). Declared with let.

A problem with code.

An error that happens when your program is running and will often crash your app.

Introduces a new name or construct into your program. Used to introduce functions, methods, variables, and constants.

A type of error that happens when a programmer types something that the computer can't understand.

Shows info about each line of code that produces an output value. Updates each time code is ran.

You use this to give a name a value-when you first declare a name or when you update a variable's value.