Job offers
Companies
Tests
Blog
I'm an employer
Sign up
Log in
Group 2@2x
Created with Sketch.
Home
>
Users
>
Pierre
Pierre
Contribution
414
Contributions
43824
Contributions played
Tests
3
Tests completed
20
Questions completed
Achievements
+2
Profile
Tests
Contributions
Profile
Tests
Contributions
Achievements
Submit a new question
or
see all questions
Easy
25
Medium
9
Hard
4
Expert
2
Technology
Profession
Test
Sort by
Newest
Most popular
Last review
Filter by
Published
27
Not published
13
To review
0
Published
To review
Newest
Filters
Easy
25
Medium
9
Hard
4
Expert
2
Technology
Profession
Test
Sort by
Newest
Most popular
Last review
Filter by
Published
27
Not published
13
To review
0
Cancel
27 questions
1
2
Easy
23 votes
2384 runs
7 comments
Write a Java program that prints 'welovedev'.
Full stack developer
strings
variables
at Sep 19, 2022
Easy
9 votes
2311 runs
1 comment
How should a package be named in Java?
Full stack developer
packages
java
at Sep 19, 2022
Easy
9 votes
2242 runs
1 comment
How to concatenate two strings of characters in Java?
Full stack developer
strings
concatenation
at Jan 4, 2022
Easy
7 votes
2228 runs
0 comment
Add elements to an ArrayList in Java
Full stack developer
arrays
lists
java
at Jan 4, 2022
Easy
6 votes
2269 runs
0 comment
Are arrays primitives types in Java?
Full stack developer
arrays
primitives
at Sep 19, 2022
Medium
4 votes
2216 runs
1 comment
How to print an array in Java
Full stack developer
arrays
java
at Feb 6, 2024
Easy
4 votes
2169 runs
2 comments
Write a valid code comment in Java
Full stack developer
comments
java
at Jan 4, 2022
Easy
4 votes
2150 runs
0 comment
What does `--` do in Java?
Full stack developer
operators
at Jan 4, 2022
Hard
3 votes
2313 runs
5 comments
List the annotations that can be used in a JUnit test class.
Full stack developer
junit
annotations
at Jan 4, 2022
Easy
3 votes
2120 runs
1 comment
How to call an interface in a java class?
Full stack developer
interfaces
java
at Jan 4, 2022
Medium
3 votes
275 runs
0 comment
Count the number of words in a string in Java
Full stack developer
hashmap
string
at Jan 4, 2022
Easy
2 votes
810 runs
0 comment
Reverse a string in Java
Full stack developer
strings
java
at Jan 4, 2022
Medium
1 vote
600 runs
1 comment
Print the value of the enum Color.BLUE
Full stack developer
enum
java
at Feb 21, 2022
Easy
1 vote
285 runs
0 comment
Given a Java code, what will be displayed?
Full stack developer
arrays
lists
java
at Jan 4, 2022
Easy
1 vote
230 runs
0 comment
What is the type of B in the following code: public class A implements B
Full stack developer
interfaces
inheritance
at Jan 4, 2022
Easy
1 vote
224 runs
0 comment
What is the file extension after the Java program has been compiled?
Full stack developer
file
extension
at Jan 4, 2022
Easy
1 vote
211 runs
0 comment
Write a Java method signature to be able to compile my Java program
Full stack developer
java
main method
at Jan 4, 2022
Easy
0 vote
1823 runs
1 comment
Which of the following operators is used to allocate memory for an object?
Full stack developer
operators
memory
at Jan 4, 2022
Easy
0 vote
1338 runs
0 comment
Is a HashMap ordered?
Full stack developer
hashmap
collections
at Jan 4, 2022
Pierre
Pierre
Pierre
Pierre
Pierre
Pierre
Pierre
Pierre
Pierre
Pierre
Pierre
Pierre
Pierre
Pierre
Pierre
Pierre
Pierre
Pierre
Pierre
Easy
4 votes
2198 runs
2 comments
What is “AssertEquals” used for in a Java Unit test?
Full stack developer
java
unit test
at Jan 4, 2022
Pierre
