TechnologyProfessionTest
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TechnologyProfessionTest
Sort by
Newest
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Last review
Filter by
Published
3586
To review
14
76 questions
Hard
12 votes2784 runs0 comment
Hard
8 votes2851 runs0 comment
A Customer class has the com.company.model package.
Thomas De verdièreat Jan 4, 2022
Hard
8 votes2682 runs0 comment
How many instance of Integer cannot be freed from memory?
Thomas De verdièreat Dec 16, 2021
Medium
7 votes2748 runs0 comment
What does the final keyword mean in front of a method in Java?
Thomas De verdièreat Jan 4, 2022
Hard
6 votes2718 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
Easy
6 votes2698 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
5 votes2772 runs1 comment
Serialization can be customized with the Externalizable interface
Thomas De verdièreat Jan 4, 2022
Hard
5 votes2685 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 votes2790 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 votes2736 runs0 comment
How to create a class in Java with a version number of 14.
Thomas De verdièreat Dec 3, 2021
Easy
4 votes2710 runs1 comment
What are the visibility modifiers for a method in Java?
Thomas De verdièreat Jan 4, 2022
Hard
4 votes2707 runs1 comment
What is the superclass of Integer, Long, Byte, BigDecimal and Short in Java?
Thomas De verdièreat Jan 4, 2022
Hard
4 votes319 runs1 comment
Hard
4 votes172 runs0 comment