Curso Básico de Programación Android en Java-Quizizz 01

Curso Básico de Programación Android en Java-Quizizz 01

Professional Development

20 Qs

quiz-placeholder

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Curso Básico de Programación Android en Java-Quizizz 01

Curso Básico de Programación Android en Java-Quizizz 01

Assessment

Quiz

Information Technology (IT)

Professional Development

Practice Problem

Hard

Created by

CESAR JIMENEZ

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

¿Cómo declarar una variable int llamada contador con valor 10?

int contador = 10;
contador int = 10;
var contador = 10;
int = 10 contador;
int contador == 10;

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

¿Cuál es el tipo primitivo para números con decimales en Java?

int
float
double
long
short

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

¿Qué operador se usa para concatenar strings en Java?

+
&
concat()
.
++

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

¿Qué valor obtiene la variable boolean activo = false?

true
false
0
1
null

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

¿Cuál es el tipo de dato primitivo de 16 bits para enteros?

byte
short
int
long
char

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

¿Cómo declarar un array de enteros de tamaño 5?

int[] nums = new int[5];
int[5] nums;
int nums[] = new int(5);
int nums = new int[5];
int[] nums = {0,0,0,0,0};

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

¿Cómo declarar un array de Strings llamado nombres con valores "Ana" y "Luis"?

String[] nombres = {"Ana","Luis"};
String nombres[] = new String[]{"Ana","Luis"};
String[] nombres = new String[2];
String nombres = {"Ana","Luis"};
ArrayList<String> nombres = new ArrayList<>();

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