Go Developer (Go Data Types)

Step by step guide to becoming a Go developer in 2023

What are Data Types?

Data type specifies the size and type of variable values.

Go is statically typed:

Variable type defined can only store data of that type.

Go has three basic data types:

• bool: represents a boolean value and is either true or false.

• Numeric: represents integer types, floating point values, and complex types.

• string: represents a string value.

Fill the blanks in the snippet:
var a **** = true
var b *** = 5
var c ******* = 3.14
var d ****** = "Hi!"

bool
int
float32
string

Fill the blanks: A ******* data type is declared with the **** keyword and can only take the values **** or *****.

boolean, bool, true, false

The default value of a boolean data type is *****.

false

Signed integers, declared with one of the int keywords, can store?:

both positive and negative values.

Go has five keywords/types of signed integers:

• int

• int8

• int16

• int32

• int64

Unsigned integers, declared with one of the uint keywords?:

Can only store non-negative values.

The float data types are used to store?:

Positive and negative numbers with a decimal point.

The string data type is used to store?:

A sequence of characters (text). String values must be surrounded by double quotes.