Hard Keywords

Question 1

as - used for ______. _______ and specifies an ________ for an ________.

Answer 1

Used for type casts

Specifies an alias for an import

Question 2

as? - is used for ______ ______ _________ .

Answer 2

is used for safe type casts

Question 3

break - ____________ the execution of a loop

Answer 3

Terminates the execution of a loop

Question 4

class - declares a __________.

Answer 4

declares a class

Question 5

continue - proceeds to the ________ __________ ______.

Answer 5

Proceeds to the next step of the nearest enclosing loop

Question 6

do - begins a _____ / ________ ________. (______ with a ________ condition)

Answer 6

Begins a do/while loop (loop with post condition)

Question 7

else - defines the ________ of an _________ __________ which is executed when the ___________ is __________.

Answer 7

Defines the branch of an if expression which is executed when the condition is false

Question 8

false - specifies the _______ value of the _________ type

Answer 8

specifies the ‘false’ value of the Boolean type

Question 9

for - begins a ______ __________.

Answer 9

begins a for loop

Question 10

fun - declares a ________.

Answer 10

declares a function

Question 11

if - begins an ______ _________.

Answer 11

begins an if expression

Question 12

4

Answer 12

specifies the object being iterated in a for loop

is used as an infix operator to check that a value belongs to a range, a collection or another entity that defines the ‘contains’ method

is used in when expressions for the same purpose

marks a type parameter as contravariant

Question 13

!in

2

Answer 13

is used as an operator to check that a value does NOT belong to a range, a collection or another entity that defines the ‘contains’ method

is used in when expressions for the same purpose

Question 14

interface - declares an __________.

Answer 14

declares an interface

Question 15

is -
________ that a ______ has a certain ______.

Is used in _____ _____ for the same purpose.

Answer 15

checks that a value has a certain type

is used in when expressions for the same purpose

Question 16

!is - checks that a _______ does ______ have a certain _______.

Is used in ______ ________ for the same purpose.

Answer 16

checks that a value does NOT have a certain type

is used in when expressions for the same purpose

Question 17

null - is a _________ representing an ______ __________ that doesn’t point to any ________.

Answer 17

is a constant representing an object reference that doesn’t point to any object

Question 18

object - defines a _______ and it’s _________ at the same time.

Answer 18

declares a class and its instance at the same time

Question 19

package - specifies the ________ for the ________ _______.

Answer 19

specifies the package for the current file

Question 20

return - ________ from the nearest enclosing ________ or ___________ ________.

Answer 20

returns from the nearest enclosing function or anonymous function

Question 21

super (2)

Answer 21

refers to the superclass implementation of a method or property

calls the superclass constructor from a secondary constructor

Question 22

this (2)

Answer 22

refers to the current receiver

calls another constructor of the same class from a secondary constructor

Question 23

throw

Answer 23

throws an exception

Question 24

true

Answer 24

specifies the ‘true’ value of the Boolean type

Question 25

try - begins an _________ ___________ block

Answer 25

begins an exception handling block

Question 26

typealias - declares a _____ _______

Answer 26

declares a type alias

Question 27

typeof - (________ for future use)

Answer 27

(reserved for future use)

Question 28

val

Answer 28

declares a read-only property or local variable

Question 29

var

Answer 29

declares a mutable property or local variable

Question 30

when - begins a ______ _______ (executes one of the given _______)

Answer 30

begins a when expression (executes one of the given branches)

Question 31

while - begins a _____ ______ (_______ with _________)

Answer 31

begins a while loop (loop with precondition)