
Java basic
Authored by Carlos Flores
Instructional Technology
9th - 12th Grade
Used 1+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si quieres guardar un dato de tipo texto (cadena de caracteres) utilizamos una variable de tipo...
int
float
String
boolean
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el fallo en el siguiente código?
Falta "Integer.parseInt()
El nombre de la variable no es válido.
La forma de concatenar no es correcta.
El tipo de variable no es correcto.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué es java?
Un lenguaje tipo máquina hecho en binario
Un lenguaje de programación multiplataforma
El minecraft
Conjunto de palabras y códigos que usan todos los ordenadores y programas.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Hasta qué número llega la variable i ?
10
Es un bucle infinito
No llega a ningún número porque vale 0
9
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué devuelve el programa por consola?
Nada. Da error porque los símbolos += y -= no existen en Java
17
18
10
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué falta en el código para que este bucle no sea infinito?
Los bucles while siempre son infinitos
Cambiar la condición pues está mal
Nada. Este bucle está bien. Se acaba a las 10 vueltas.
Sumarle +1 a la variable contador dentro del bucle.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo generamos un número aleatorio entre 0 y 10?
random.randint(0, 10)
(int) (Math.random() * 11)
(int) (Math.random() + 11)
(float) (Math.random() * 11)
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