Question related to Spring Framework and Java. There was an online test before I went for in person interview.
Java Engineer Interview Questions
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1)Assume Threaded Environment, what can go wrong in code and how to fix it. -your given a main, interface, and a global final static variable 2)Overriding ArrayList equal operator I believe? -Basically in main you add an object- array.add(new object(3,4)), then attempt to remove - array.remove(new object(3,4)). -You can't edit the main, so you have to override the equals operator in ArrayList in the class method 3)Overriding Hashmap equal operator and hashcode -Similar logic, you cant edit the main so edit the method. 4)Threading questions, basically a this.wait() -Did not get a good look at this question, but review your Operating Systems. Has to do with thread locking i believe (rusty myself here need to look over it) 5)Write out the ArrayList class. -Write out the ArrayList data structure -getsize -addElement -Remove Element -One more which I forgot -This question is actually very easy but a little time consuming, I did not get to it sadly
Collections->hashmap implement logic not to allow null
Tell me about software projects you have completed
you get an automatic reply containing as assignment , that will take you couple of days to complete. then they reply something like....your CV does not match our desired skill set, that't it!!! (are you serious?!)
This is a much better description of what I heard from the girl of the interview. There are ducks. Ducks can fly and quack but in different ways. Make a design so that you can have all the ducks in the system with the different "flying modes" and "quack modes".
Implement following method: public String findValueInMap(String[][] myMap, String key)
Could I wait 3 months to start the job.
what is the difference between a where clause and a having clause
Quais as principais ferramentas e qual grau de experiência que você tem em cada uma delas.
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