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Questions d'entretiens - Architect


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Explain the difference between a Java interface and a Java abstract class.

2 réponses

An abstract class is a generic that usually has some common methods defined that subclasses can use. However, the class itself contains one or more abstract methods that the child classes should implement. Abstract classes cannot be used directly,they must be instantiated by a subclass. Inferfacesare a template for method defition and can be adopted by any class to define a particular behavior. One key difference is that's lass can only extend one other class but it can implement many interfaces.

in addition to what the Interview Candidate wrote: abstract class can contain concrete methods while interfaces can only have methods with no body.

Tell me about something you have hacked

1 réponse

Very thorough questions. Bullshitters be aware. The team knows their stuff and in-depth questions. The first interview was completely technical. The second interview was with the team manager and more of behavioral.

1 réponse

Why do you not have a Certication in <Vendor_name> Data Warehousing and Business Intelligence?

1 réponse

Why have <Vendor_name> sent you to a lot of non-Canadian clients?

1 réponse

Do you like to drink? - was seriously asked this in my 3rd of 5 interviews

1 réponse

What would a former boss say is your weak point

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Since you haven't worked on projects this large before do you think you will be able to adjust

1 réponse

You don't have the information you need, what do you do?

1 réponse
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