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Migration from a legacy system

 
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This is a question that I have been asked a couple of times in some interviews,

What is the approach you will take if you have to migrate a legacy system to Java?

 
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If it is an interview question, what did you say?
 
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Like any good interview question, it is kinda vague, and can be very open ended.

I don't think there is a clear answer. The interviewer is probably looking to see what experience you have done in this regard, what you have encountered, what you have done, etc.

So... how did you answer it?

Henry
 
Rajesh Nagaraju
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My Answer was :

1> Would make Use cases as the functionality was known since it is an existing system
2> Then would try identify the critical and core components, would then go about designing these componets using class diagrams and sequence diagrams
3> Also would have a features diagram to explain to the customer the components that I would migrate in the corresponding phases.

I don't think there is a clear answer. The interviewer is probably looking to see what experience you have done in this regard, what you have encountered, what you have done, etc.



I understand that there is no clear answer however your thoughts will help to think of a new perspective
 
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