Kotlin Quiz 4
Authored by Mohamed Gamal
Computers
Professional Development
Used 3+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Can the class have a function of its name?
true
false
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which declares an object correctly
class Human{}
fun main(){
val obj =
new Human()
}
class Human{}
fun main(){
val obj = Human()
}
class Human{}
fun main(){
val obj =
new Human();
}
class Human{}
fun main(){
val obj =
Human();
}
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How to declare static members and methods?
class A{
static color: String = "Red"
}
class A{
static val color: String = "Red"
}
class A{
static var color = "Red"
}
class A{
companion object{
val color = "Red"
}}
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the output?
class A{
A(){
println("class A instantiated")
}
}
fun main(){
val a = A()
}
class A instantiated
"class A instantiated"
class A: "class A instantiated"
Error
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the output?
class Calculator(num1: Int, num2: Int){
fun add() = num1 + num2
}
fun main(){
val calc = Calculator(5,2)
println(calc.add())
}
7
9
11
Error
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
which of the following is not OOP concept
Inheritance
Acbstraction
Polymorphism
Exception
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the output?
fun main(){
val a = A()
println(10); println(5); println(8); }
class A{
init{
println(10)
println(5)
println(8)
}
}
10
5
8
10
5
8
10
5
8
10 5 8
10
5
8
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