
Java POO3 ba
Quiz
•
Computers
•
12th Grade
•
Practice Problem
•
Medium
Paola Tovar
Used 2+ times
FREE Resource
Enhance your content in a minute
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿ Cómo se define un conjunto de constantes con nombre?
const
final
static
enum
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué clase se utiliza para leer datos de la entrada estándar?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué clase se utiliza para representar una fecha y hora específicas?
Date
Calendar
LocalTime
Instant
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo se declara una lista que puede almacenar matrices de enteros?
int[][] listaMatrices = new int[n][m];
List listaMatrices = new ArrayList<int[]>();
int[] listaMatrices = new int[n];
List<int[]> listaMatrices;
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué método se utiliza para insertar un elemento en una lista enlazada?
add(T element)
insert(int index, T element)
set(int index, T element)
append(T element)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué método se utiliza para obtener el valor asociado a una clave específica en un mapa hash?
put(Object key, T value)
get(Object key)
containsKey(Object key)
entrySet()
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué método se utiliza para verificar si un elemento existe en un conjunto hash?
add(Object element)
contains(Object element)
remove(Object element)
isEmpty()
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