TechnologyProfessionTest
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3590
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TechnologyProfessionTest
Sort by
Newest
Most popular
Last review
Filter by
Published
3590
To review
10
76 questions
Hard
12 votes2805 runs0 comment
Hard
8 votes2876 runs0 comment
A Customer class has the com.company.model package.
Thomas De verdièreat Jan 4, 2022
Hard
8 votes2703 runs0 comment
How many instance of Integer cannot be freed from memory?
Thomas De verdièreat Dec 16, 2021
Medium
7 votes2769 runs0 comment
What does the final keyword mean in front of a method in Java?
Thomas De verdièreat Jan 4, 2022
Easy
7 votes2718 runs0 comment
Which of these classes is the most suitable for composing a character string from several elements concatenated to each other?
Thomas De verdièreat Jan 4, 2022
Hard
6 votes2789 runs1 comment
Serialization can be customized with the Externalizable interface
Thomas De verdièreat Jan 4, 2022
Hard
6 votes2742 runs0 comment
What "design pattern" makes it possible to offer a means of treating the elements of a tree without worrying about the course?
Thomas De verdièreat Jan 4, 2022
Hard
5 votes2704 runs0 comment
What design pattern will you use to dynamically add capabilities to an object in Java?
Thomas De verdièreat Jan 4, 2022
Hard
4 votes2812 runs0 comment
What is the error message when you try to serialize a class that does not implement Serializable?
Thomas De verdièreat Dec 2, 2021
Hard
4 votes2756 runs0 comment
How to create a class in Java with a version number of 14.
Thomas De verdièreat Dec 3, 2021
Medium
4 votes2743 runs1 comment
What package contains the HashMap class in Java?
Thomas De verdièreat Jan 4, 2022
Easy
4 votes2732 runs1 comment
What are the visibility modifiers for a method in Java?
Thomas De verdièreat Jan 4, 2022
Hard
4 votes2726 runs1 comment
What is the superclass of Integer, Long, Byte, BigDecimal and Short in Java?
Thomas De verdièreat Jan 4, 2022
Hard
4 votes322 runs1 comment