Variable declaration using var in Go - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to declare an integer variable named age using var.

Go

var age [1]

Drag options to blanks, or click blank then click option'

Afloat64

Bstring

Cbool

Dint

Attempts:

3 left

💡 Hint

Common Mistakes

Using a wrong type like string or bool for an integer variable.

The var keyword declares a variable. Here, age is declared as an int type.

2fill in blank

medium

Complete the code to declare a string variable named name using var.

Go

var name [1]

Drag options to blanks, or click blank then click option'

Astring

Bint

Cfloat64

Dbool

Attempts:

3 left

💡 Hint

Common Mistakes

Using int or bool instead of string.

The variable name should hold text, so its type is string.

3fill in blank

hard

Fix the error in the variable declaration to declare a boolean variable named isActive.

Go

var isActive [1]

Drag options to blanks, or click blank then click option'

Abool

Bstring

Cint

Dfloat64

Attempts:

3 left

💡 Hint

Common Mistakes

Using string or int instead of bool.

The variable isActive should be a boolean, so its type is bool.

4fill in blank

hard

Fill both blanks to declare a float variable named price and assign it the value 9.99.

Go

var price [1] = [2]

Drag options to blanks, or click blank then click option'

Afloat64

B9.99

Cint

Dtrue

Attempts:

3 left

💡 Hint

Common Mistakes

Using int type for decimal numbers.

Assigning a boolean value instead of a number.

The variable price is declared as float64 to hold decimal numbers and assigned the value 9.99.

5fill in blank

hard

Fill all three blanks to declare a variable named count of type int and assign it the value 10.

Go

var [1] [2] = [3]

Drag options to blanks, or click blank then click option'

Acount

Bfloat64

C10

Dint

Attempts:

3 left

💡 Hint

Common Mistakes

Using the wrong variable name or type.

Assigning a float value to an int variable.

The variable count is declared as an int and assigned the value 10.