Какой язык кроме Java вы используете? 🛠️
#channel_statistics
#channel_statistics
Anonymous Poll
38%
JavaScript
12%
TypeScript
7%
PHP
23%
Python
11%
C++
7%
C#
3%
Scala
5%
Go
23%
Kotlin
22%
Другие
Criteria Query can perform both select and non-select operations?
#Hibernate
#Hibernate
Anonymous Quiz
56%
Yes
30%
No
14%
Answer
What of those operations are non-select?
#SQL
#SQL
Anonymous Quiz
5%
Where
8%
Group by
62%
Insert
25%
Answer
Which method from a HashMap makes the possibility to gey Key by Value?
Anonymous Quiz
24%
getKey()
32%
There is no such method.
14%
get()
19%
getKeyByValue()
8%
findKey()
2%
Answer
What is the default load factor by the default in the HashMap:
Anonymous Quiz
11%
100
6%
0.80
62%
0.75
7%
0.25
14%
Answer
How to destroy the object?
Anonymous Quiz
20%
Invoke the method finalize()
13%
Invoke the method destroy()
27%
Assign a value of null for all references
36%
It can't be done manually
4%
Answer
What is under the hood of the StringBuilder?
Anonymous Quiz
48%
An array of chars
20%
An array of bytes
27%
An array of strings
5%
Answer
Is the inner static class has access only to static methods and variables of the outer class?
Anonymous Quiz
60%
Right
37%
Wrong
3%
Answer
Is under the hood of the String located a final array of bytes?
Anonymous Quiz
75%
final
17%
not final
7%
Answer
Is List an abstract class?
Anonymous Quiz
20%
Right, List is an abstract class
68%
Wrong, List is an interface
9%
Both variants are wrong
3%
Answer
What is a subclass of the class RuntimeException?
Anonymous Quiz
27%
Exception
22%
IOException
7%
FileNotFoundException
41%
NullPointerException
4%
Answer
Can we catch the OutOfMemoryError by using the block try-catch?
Anonymous Quiz
37%
Yes
59%
No
3%
Answer
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Can we launch the flow through the object of type Thread again after it is finished?
Anonymous Quiz
36%
Yes
56%
No
9%
Answer
What is the result of the work next code for(;;) { }?
Anonymous Quiz
17%
Compile error
62%
Infinity cycle
7%
Runtime error
8%
There is no right answer
6%
Answer