Which method is used to add elements to a HashMap in Java?
Anonymous Quiz
31%
put
32%
add
10%
set
17%
insert
10%
push
🔥3❤1
What is the time complexity of the get() method in a HashMap in Java?
Anonymous Quiz
41%
O(log n)
29%
O(n)
15%
O(1)
15%
O(nlogn)
👍4
TechShiksha by Badkul Technology
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new poll on our youtube channel
👍1
What is the time complexity of inserting an element into a binary heap of size n?
Anonymous Quiz
29%
O(n log n)
32%
O(n)
32%
O(log n)
8%
O(1)
👍3🔥1
Which method is used to add element in the last of Java.util.arraylist?
Anonymous Poll
33%
add
13%
addFirst
27%
addLast
27%
append
👍3
Anybody interested in code with me session coming Sunday? In which we will create a springboot application which will have rest apis to create, update, delete and fetch
❤4👍3
Which of the following methods is used to check if an element exists in a Set?
Anonymous Quiz
6%
has
20%
hasElement
27%
hasNext
31%
contains
16%
exists
👍2
Which class from the java.util package contains factory methods for creating different types of date/time objects including local dates and times, durations, etc.?
Anonymous Quiz
22%
LocalDate
15%
LocalTime
43%
DateTimeZone
20%
DateUtils
👍5😁1
Can lambda expressions declare variables using the val keyword?
Anonymous Quiz
37%
yes
28%
no
18%
If declared outside any method bodies
16%
Depends on the modifiers used when declaring the variable
TechShiksha by Badkul Technology
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👍1
Forwarded from admin
Which programming language is commonly used with Spring Boot?
Anonymous Quiz
83%
Java
7%
ruby
7%
python
2%
c++
👍4❤2
Forwarded from TechShiksha by Badkul Technology (admin)
Anonymous Quiz
73%
Array
5%
Avl tree
17%
Binary tree
5%
Graphs
👍3❤1👏1
𝐖𝐡𝐢𝐜𝐡 𝐨𝐟 𝐭𝐡𝐞𝐬𝐞 𝐤𝐞𝐲𝐰𝐨𝐫𝐝𝐬 𝐢𝐬 𝐮𝐬𝐞𝐝 𝐭𝐨 𝐝𝐞𝐟𝐢𝐧𝐞 𝐢𝐧𝐭𝐞𝐫𝐟𝐚𝐜𝐞𝐬 𝐢𝐧 𝐉𝐚𝐯𝐚?
Anonymous Quiz
8%
inf
6%
definterface
82%
interface
4%
defintf
👍5
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👍3
#Java_Quizs (Question - 148)
The data structures required to check whether an expression contains a balanced parenthesis is ......
The data structures required to check whether an expression contains a balanced parenthesis is ......
Anonymous Quiz
21%
Queue
35%
Stack
21%
Array
23%
Tree
🔥3👍1