JPMorgan Java Microservices interview round 3|| Java8, Kafka, springboot, Cassandra interview questi

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[chinmayabehera]

As jp morgan is a financial service company .. it will give more importance to multi threading and executer service, spring security and transaction management

[phanimadhuri]

Singleton design pattern is mandatory in JPMC interview.

[harpreetvarma]

Static method synchronization & method synchronization are different.
Static synchronization is synchronized using class literal. (My class.clasd)
Synchronization on method is used using " this" . So both are different & multiple threads can use them simultaneously.

[sumitkumar-mjgp]

Great interviews..Just restrict yourself to less use of word basically. It might get annoying for the interviewer.

[successtrader]

To check the if two objects are same we can use hashcode ...simple

[snehalparab]

Such a helpful video, Thank you very much ! Just One question - What did you ask the interviewer the end ? I mean if its final technical round, we can ask about the role and everything, But for first technical round, what should we generally ask ?

[dips]

you can use hashcode method of Object class to verify the objects returned are same or not.

[SingerChakra]

He asked if no hashcode method is overriden then how will hashmap behave.... Proper answer should be if hashcode is not overriden then it will take the by-default hascode of the object ... Thus no key will have same hashcode .. and index computation will be different for all keys ... Thus even though there are two same keys .. hashcode will vary and it will allow duplicate keys

[ghostneguz]

Just a small suggestion In all the interview videos I noticed that you are saying "basically" way too many times.. If you can work on it it would really help in creating a better communication thread

[kumarrajakotakonda]

If we locked on block level then we can execute class levels simultaneously

[kumars]

@Primary is same as @Qualifier..when ambiguous happpens on bean selection, if any bean configured with @Primary will get injected..assume there is no @Qualifier configuration

[gigsz]

One important tip - please don’t try to buy time and google questions in an interview… the interviewers are smart enough to know 😊 Thanks

[Aj-gyhj]

How many questions should answer to get selected in any company from which you have posted

[shivaraju]

the explanation of .equals() and == is wrong.
.equals() is used to compare the value only, whereas, == is used to compare the references only

[sasikanthyenugula]

you can verify the singleton by verifying the hashcode

[PraveenKumar-ujih]

What Design Patterns Should Learn The Best? If Anyone Knows Please Drop names here. it Will useful to others. Thank you In advance

[akshaysingh]

Voice Is very low, please can you list down the Questions here so it would be a great help.

[sridevigrandhi]

What was the time span given for you between each round?

[djr]

Can you post videos for other rounds too

[tejachowdary]

can you please let us know how to we prevent denial of service from happening ?