Java

Java

Professional Development

20 Qs

quiz-placeholder

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Java

Java

Assessment

Quiz

Instructional Technology

Professional Development

Practice Problem

Medium

Created by

Maria Ledesma

Used 25+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

En Java, ¿Cómo se accede al ultimo valor en un array?

array[array.length - 1]
array[array.length + 1]
array[array.length]
array[-1]

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Cuál es el resultado de "Java".charAt(2)?

a
v
t
J

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Cuál es el tipo de datos utilizado para almacenar caracteres en Java?

boolean
int
char
double

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Qué método se utiliza para convertir una cadena a un número entero en Java?

String.valueOf()
Double.parseDouble()
Boolean.parseBoolean()
Integer.parseInt()

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Cuál es el resultado de 4 % 2 en Java?

0
2
1
3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

En Java, ¿Cómo se accede al ultimo valor en una String?

string.substring(string.length() - 1)
string.charAt(string.length())
string.charAt(string.length() - 1)
string.charAt(-1)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Qué clase se utiliza para obtener la entrada del usuario en Java?

Keyboard

Scaner

Mouse
Scanner

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