
Викторина по языку Dart: Класс Map
Quiz
•
Computers
•
12th Grade
•
Medium
Камила Жусипбек
Used 2+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Что представляет собой класс Map в Dart?
Коллекцию элементов с уникальными ключами
Массив чисел
Строку текста
Функцию для обработки данных
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой тип данных используется для ключей в примере создания Map
double
bool
int
String
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой метод используется для удаления элемента из Map?
discard()
clear()
delete()
remove()
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Как можно проверить, содержит ли Map определенный ключ?
isKeyPresent()
checkKey()
hasKey()
containsKey()
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой метод добавляет элементы из другого Map?
insertAll()
merge()
append()
addAll()
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой тип данных возвращает свойство length у Map?
String
List
int
bool
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой метод позволяет перебрать все элементы Map?
map()
forEach()
iterate()
each()
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