LUA Test

Which will output 'Hello world' in lua?

• print('Hello world')
• echo 'Hello world'
• console.log('Hello world')
• write('Hello world')

Which function is used to read a file in lua?

• readfile('filename.txt')

• io.open('filename.txt')

• file.read('filename.txt')

• openfile('filename.txt')

What is the correct way to define a variable in lua?

• var x = 10

• x := 10

• local x = 10

• let x = 10

How do you create a table in lua?

• table.create()

• {}

• new table()

• table.new()

What is the correct way to concatenate strings in lua?

• string.concat('Hello', 'World')

• 'Hello' .. 'World'

• concat('Hello', 'World')

• 'Hello' + 'World'

Which operator is used for equality comparison in lua?

• ==

• =

• ===

• !=

How do you define a function in lua?

• function myFunction()

• def myFunction()

• myFunction() = function()

• func myFunction()

What is the correct way to comment a single line in lua?

• -- This is a comment

• /* This is a comment */

• # This is a comment

• // This is a comment

How do you iterate over a table in lua?

• for key, value in pairs(table) do

• foreach(table, function(key, value) end)

• for each key in table

• table.foreach()

Which function is used to convert a string to a number in lua?

• tonumber('123')

• parseInt('123')

• string.toNumber('123')

• convert('123')