Anonymous Quiz
93%
true
2%
false
2%
null
2%
Ошибка компиляции
Anonymous Quiz
12%
[1, 2, 3, 4]
74%
[4, 3, 2, 1]
3%
[1, 3, 2, 4]
11%
[4, 2, 3, 1]
Anonymous Quiz
49%
11.0
36%
15.0
10%
10.0
5%
8.0
Anonymous Quiz
2%
[1, 2, 3, 4, 5]
59%
[2, 4]
37%
[1, 3, 5]
2%
[1, 4]
👍3
Anonymous Quiz
71%
int[] array = new int[5]
14%
ArrayList<Integer> array = new ArrayList<>(5)
5%
int[] array = {1,2,3,4,5}
10%
Array<Integer> array = Array.of(5)
Варианты ответов:
Anonymous Quiz
31%
lateinit var name: String
13%
lazy var name: String
55%
var name: String by lazy {}
2%
var name = lazyInit<String>()
💊6
Anonymous Quiz
10%
switch
1%
match
2%
select
87%
when
💊1
Anonymous Quiz
72%
System.currentTimeMillis()
4%
new Date().getTime()
12%
Calendar.getInstance().getTimeInMillis()
13%
LocalDateTime.now().toInstant(ZoneOffset.UTC).toEpochMilli()
Варианты ответов:
Anonymous Quiz
29%
finalize()
10%
equals(Object obj)
22%
clone()
39%
copy()
Anonymous Quiz
3%
public
12%
protected
78%
private
7%
internal
Anonymous Quiz
81%
open
11%
extend
5%
public
2%
sealed
💊1
Anonymous Quiz
9%
sort(List<T> list)
4%
shuffle(List<?> list)
74%
reverse(List<?> list)
12%
reverseOrder()
💊1
Anonymous Quiz
5%
open
5%
sealed
88%
abstract
1%
lateinit
😁5💊4
Anonymous Quiz
56%
Character.isDigit(string)
25%
Integer.parseInt(string)
15%
string.matches("\\d+")
4%
NumberUtils.isCreatable(string)
💊6
💊4👍1
Anonymous Quiz
28%
java.util.regex
52%
java.lang.Regex
3%
java.util.Scanner
16%
java.util.Pattern
💊7
Anonymous Quiz
4%
val number = string.toInt()
75%
val number = string.toIntOrNull() ?: 0
16%
val number = Integer.parseInt(string)
5%
val number = string?.toInt()
💊4👍1
Anonymous Quiz
17%
Использовать Enum
20%
Двойная блокировка с проверкой
45%
Статическая инициализация
18%
Синхронизированный метод
💊7
Anonymous Quiz
1%
mutable
81%
val
5%
var
13%
const
💊3
Anonymous Quiz
25%
java.util.Date
41%
java.time.LocalDateTime
15%
java.util.Calendar
18%
java.text.SimpleDateFormat
💊2