Preguntas de Kotlin
Authored by Ricardo Chipana
Computers
Professional Development
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la diferencia entre val y var?
Ninguna
val puede cambiarse, var no
val no puede cambiarse, var sí
Ambos se usan igual
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué operador representa el "y lógico"?
||
!
&&
==
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué tipo de dato representa un número entero en Kotlin?
Double
Float
Int
String
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el resultado de: val resultado = 5 + 3 * 2?
11
11
16
13
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la salida de este código?: val edad = 20; if (edad > 18) println("OK") else println("NO")
NO
OK
true
Error de compilación
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál opción representa una conversión segura de String a Int?
parseInt("25")
"25".asInt()
"25".toInt()
Int("25")
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué palabra clave se utiliza para estructuras de decisión múltiples en Kotlin?
switch
select
if-else
when
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