Java Engineer Interview Questions

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Write a program to accept pool of strings and accept 1 choice between 4 operations and do the selected operation 1.Undo(Remove last entered string) 2.Redo(Again add the removed string) 3.Display(Display the pool after operation) 4.Exit(exit the pool)
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Java Developer

Interviewed at SecurView

3.7
Apr 29, 2017

Write a program to accept pool of strings and accept 1 choice between 4 operations and do the selected operation 1.Undo(Remove last entered string) 2.Redo(Again add the removed string) 3.Display(Display the pool after operation) 4.Exit(exit the pool)

1) Update the existing map without creating another map. 2) Write code to show the deadlock. 3) Find the maximum number from the given array. 4) Write the signature of service returning all the records from the provided table. 5) Explain about the Json format.
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Senior Java Developer/Lead

Interviewed at WhizAI, an IQVIA business

4.7
May 5, 2022

1) Update the existing map without creating another map. 2) Write code to show the deadlock. 3) Find the maximum number from the given array. 4) Write the signature of service returning all the records from the provided table. 5) Explain about the Json format.

Familiar questions on spring mvc,spring aop,restful API,collections,run time polymorphism,design patterns. HR interview questions: What is difference between Agile and waterfull that you have observed? Major drawback of agile? how is your normal day? what is your future aspiration?
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Java Developer

Interviewed at TIAA

3.7
Aug 28, 2016

Familiar questions on spring mvc,spring aop,restful API,collections,run time polymorphism,design patterns. HR interview questions: What is difference between Agile and waterfull that you have observed? Major drawback of agile? how is your normal day? what is your future aspiration?

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