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Loïc
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40 questions
Hard
5 votes432 runs1 comment

The Garbage Collector G1(or Garbage First) is a GC that organizes the heap in a way

Back-end developer
garbage collection
java
Loïcat Jan 31, 2022
Easy
4 votes353 runs0 comment

Compile the following method: public void doSomething() { String s1 = "s1"; var s2 = "s2"; val s3 = "s3"; s3 = "s4"; }

Back-end developer
java
val
Loïcat Mar 20, 2023
Expert
3 votes350 runs0 comment

Print a record in Java 17

Back-end developer
java
records
Loïcat Jan 31, 2022
Hard
2 votes386 runs0 comment

Compile the following Java code and explain the error.

Back-end developer
java
variables
Loïcat Jan 31, 2022
Medium
2 votes365 runs2 comments

How to print a multiline string in Java 17

Back-end developer
strings
java
Loïcat Jul 19, 2024
Hard
1 vote417 runs0 comment

Which methods are called on an object when it is added to a HashSet?

Back-end developer
hashset
hashcode
equals
Loïcat Jan 31, 2022
Hard
1 vote380 runs0 comment

What is the keyword that allows pattern matching in an `if` in Java 17?

Back-end developer
java
pattern matching
Loïcat Jan 31, 2022
Medium
1 vote358 runs0 comment

What is the value of i after two threads execute the increment method?

Back-end developer
java
threads
Loïcat Jan 31, 2022
Medium
1 vote350 runs0 comment

Check if two Integers are equal in Java

Back-end developer
java
integer
equals
Loïcat Jan 31, 2022
Medium
1 vote349 runs0 comment

Which of these words is not a keyword of the language?

Back-end developer
keywords
Loïcat Jan 31, 2022
Hard
1 vote346 runs0 comment

What is the result of executing the following code: ```java var list= List.of("1","2","3"); list.add("4"); list.forEach(elt ->System.out.print(elt)); ``` Answer: An exception

Back-end developer
list
java
Loïcat Jan 31, 2022
Medium
1 vote83 runs0 comment

What is the **smart dispatch** implemented by the Quarkus reactive HTTP client and server :

IT Architect
quarkus
http
io
Loïcat Nov 3, 2023
Medium
1 vote76 runs0 comment

How to use Hibernate ORM with Panache extension in Quarkus

IT Architect
hibernate
jpql
Loïcat Nov 3, 2023
Medium
1 vote64 runs0 comment

List the default configuration profiles in Quarkus

IT Architect
configuration
profiles
Loïcat Nov 3, 2023
Easy
1 vote64 runs0 comment

How to implement a REST client in Quarkus

IT Architect
interface
rest
Loïcat Nov 3, 2023
Medium
1 vote61 runs0 comment

Which library is at the heart of the Quarkus HTTP stack?

IT Architect
quarkus
netty
Loïcat Nov 3, 2023
Hard
1 vote59 runs0 comment

What are the three bootstrapping phases of a Quarkus application?

IT Architect
quarkus
bootstrapping
Loïcat Nov 3, 2023
Hard
0 vote435 runs0 comment

In the **java.util.HashSet** class, if we add an element already present in the set, the add method returns false.

Back-end developer
java
hashset
Loïcat Jan 31, 2022
Hard
0 vote412 runs1 comment

Return a value in a switch expression in Java 17

Back-end developer
switch
java
Loïcat Jan 31, 2022
Hard
0 vote391 runs0 comment

Access the `x` attribute of a `Point` class in Java 17

Back-end developer
java
records
Loïcat Jan 31, 2022