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Tema 9: Conceptos y operaciones simples

Authored by Tarea Cibertec

Mathematics

1st Grade

Used 2+ times

Tema 9: Conceptos y operaciones simples
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6 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Clase implementada por Java que permite manipular una colección de objetos.

new

list

ArrayList

Array

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Cuál es la forma correcta para declarar y crear un ArrayList el cual almacenará objetos del tipo Alumno?

private ArrayList [Alumno] alu = new ArrayList ();

private ArrayList <Alumno> alu = new ArrayList <Alumno> ();

private ArrayList alu = new ArrayList [Alumno] ();

private ArrayList alu = new ArrayList {Alumno} ();

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La siguiente declaración de ArrayList permite almacenar objetos del tipo Alumno?

private ArrayList alu = new ArrayList [Alumno] ( ) ;

Verdadero

Falso

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Método que permite agregar un objeto dentro del ArrayList

delete

add

remove

clear

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Método que retorna la cantidad de direcciones de memoria almacenadas dentro del ArrayList

add

remove

size

clear

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Método que retorna la dirección de memoria registrada en una posición dentro del ArrayList

pos(int)

get(int)

set(int)

add(int)

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