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8 Kotlin Pop Quizzes
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2
Rules
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Quiz 1.
fun sum(a: Int, b: Int) = { a + b }
println(sum(1, 1))
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4
Quiz 1.
fun sum(a: Int, b: Int) = { a + b }
println(sum(1, 1))
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Quiz 1.
fun sum(a: Int, b: Int) = a + b
println(sum(1, 1))
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Quiz 1.
fun sum(a: Int, b: Int) = a + b
println(sum(1, 1))
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Quiz 2.
(1..5).forEach({ i ->
if (i > 3) return
println(i)
})
println("Done")
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Quiz 2.
(1..5).forEach({ i ->
if (i > 3) return
println(i)
})
println("Done")
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Quiz 3.
val ___ = 010
println(val)
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val ___ = 010
println(val)
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Quiz 3.
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Quiz 4.
open class A(val x: Any?)
object B : A(C)
object C : A(B)
println(B.x)
println(C.x)
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Quiz 4.
open class A(val x: Any?)
object B : A(C)
object C : A(B)
println(B.x)
println(C.x)
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Quiz 5.
println(Unit is Unit)
println(null is Any)
println(null!! is Nothing)
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Quiz 5.
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println(Unit is Unit)
println(null is Any)
println(null!! is Nothing)
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Quiz 6.
class A {
init {
f()
.}
val a = "a"
fun f() {
println(a)
}
}
A()
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16
Quiz 6.
class A {
init {
f()
䠼}
val a = "a"
fun f() {
println(a)
䠼}
䠼}
A()
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Quiz 6.
class A {
val a = "a"
init {
f()
䠼}
fun f() {
println(a)
䠼}
䠼}
A()
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B
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Quiz 6.
class A {
val a = "a"
init {
f()
䠼}
fun f() {
println(a)
䠼}
䠼}
A()
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19
Quiz 7.
println(127 as Int? === 127 as Int?)
println(128 as Int? === 128 as Int?)
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Quiz 7.
println(127 as Int? === 127 as Int?)
println(128 as Int? === 128 as Int?)
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Quiz 8.
println(2.5 in 1..3)
println(3.5 in 1..3)
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Quiz 8.
println(2.5 in 1..3)
println(3.5 in 1..3)
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Thanks
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