Learn

In this lesson you learned:

  • How to use literals in a Go program.
  • How to create constants that give names to values.
  • The basic types in Go: ints, floats, complexs, and strings.
  • The different numeric types and what values they accept.
  • How to create variables in Go with a specific type.
  • How to read an error in Go.
  • How to assign values to variables using =.
  • How to create variables in Go with inferred type.
  • How to declare multiple variables on a single line.
  • The “zero” values for variables that haven’t been assigned a value yet.
  • How Go decides the type for “default” int types depending on the architecture of the computer it’s running on.
  • How to update values in variables using = and other related operators.

What a lot of concepts! These tools will be very valuable to you along your journey as a programmer. Congratulations!

Instructions

If you want to challenge yourself more:

  • Use Go’s -=, *=, /= operators to do some mathematical calculations.
  • Using variables to customize a greeting message for yourself and other users.
  • Edit how the current variables are declared and initialized (but keep the same functionality).

Take this course for free

By signing up for Codecademy, you agree to Codecademy's Terms of Service & Privacy Policy.
Already have an account?