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Loïc
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40 questions
Hard
4 votes354 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
Medium
3 votes326 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
2 votes299 runs0 comment

Print a record in Java 17

Back-end developer
java
records
Loïcat Jan 31, 2022
Expert
1 vote376 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 vote340 runs0 comment

Compile the following Java code and explain the error.

Back-end developer
java
variables
Loïcat Jan 31, 2022
Medium
1 vote314 runs2 comments

How to print a multiline string in Java 17

Back-end developer
strings
java
Loïcat Jul 19, 2024
Medium
1 vote312 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 vote309 runs0 comment

Check if two Integers are equal in Java

Back-end developer
java
integer
equals
Loïcat Jan 31, 2022
Medium
1 vote63 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 vote46 runs0 comment

List the default configuration profiles in Quarkus

IT Architect
configuration
profiles
Loïcat Nov 3, 2023
Medium
1 vote43 runs0 comment

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

IT Architect
quarkus
netty
Loïcat Nov 3, 2023
Hard
0 vote390 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 vote357 runs1 comment

Return a value in a switch expression in Java 17

Back-end developer
switch
java
Loïcat Jan 31, 2022
Medium
0 vote339 runs0 comment

Create an immutable list in Java 11

Back-end developer
list
java
Loïcat Jan 31, 2022
Medium
0 vote339 runs0 comment

Which implementations of **java.util.Map** guarantees the same reading order as the insertion order?

Back-end developer
java
map
Loïcat Jan 31, 2022
Expert
0 vote328 runs0 comment

In the following method, the monitor used to set the lock that guarantees synchronization is

Back-end developer
synchronization
monitor
Loïcat Jan 31, 2022
Medium
0 vote325 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
Hard
0 vote323 runs0 comment

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

Back-end developer
java
records
Loïcat Jan 31, 2022
Medium
0 vote322 runs0 comment

What is AppCDS in Java 17?

Back-end developer
java
class
Loïcat Jan 31, 2022
Hard
0 vote315 runs0 comment

What is the default garbage collector in Java 11?

Back-end developer
garbage collection
java
Loïcat Jan 31, 2022