TechnologyProfessionTest
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TechnologyProfessionTest
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Last review
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Published
148
To review
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148 questions
Hard
16 votes3137 runs0 comment
Hard
11 votes3125 runs1 comment
Serialization can be customized with the Externalizable interface
Thomas De verdièreat Jan 4, 2022
Easy
11 votes3065 runs0 comment
What does the final keyword mean in front of a method in Java?
Thomas De verdièreat Jan 4, 2022
Medium
11 votes1152 runs1 comment
Hard
10 votes3188 runs0 comment
A Customer class has the com.company.model package.
Thomas De verdièreat Jan 4, 2022
Hard
10 votes3050 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
10 votes2993 runs0 comment
How many instance of Integer cannot be freed from memory?
Thomas De verdièreat Dec 16, 2021
Easy
10 votes2386 runs2 comments
Easy
9 votes3000 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
8 votes3128 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
7 votes3021 runs1 comment
What is the superclass of Integer, Long, Byte, BigDecimal and Short in Java?
Thomas De verdièreat Jan 4, 2022
Medium
7 votes3002 runs0 comment
What design pattern will you use to dynamically add capabilities to an object in Java?
Thomas De verdièreat Jan 4, 2022