If we get an information from database will we project the same object to the view or how does it work. Why ORM. Is hibernate a waste layer why we use it when we have alternatives.
Core Java Developer Interview Questions
77 core java developer interview questions shared by candidates
I will put down as many questions as i remember (i) Examples of polymorphism and abstract classes (ii) How to get the current thread ? (iii) Define a sequence of operations of on a thread that is alive and needs to be preempted? (iv) What is the difference between a task and a thread? (v) Examples of function overriding and how it is used? (vi) Usage of Object.equals() (vii) How do you know that a thread is alive? (viii) How would threads communicate with each other?
Hibernate
spring boot annotations
Technical question were quite basic now that I think of it. One question asking me to use one single SQL query to retrieve information from two related tables given only one key information was something I did not prepared for since I only have very basic knowledge of it and have not used it for a while. The technical interviewer kindly informed me that I could use join table technique.
what to do if I want to restrict incoming & outgoing of a user? I said disable his services from HLR. what to do if want to restrict only outgoing of a user? I Said for this also will have to disable his services from HLR. what is SVN, how to use that? I answered. if multiple rows are returned from a procedure what will happen? could not. select * from employee where ROWNUM=2; what will be output? could not. Thanks for your time.
what is interface?
Retrieving details in Hibernate with criteria
in TR following ques asked: what is oop, encapsulation implement abstraction. then given codes to run in eclipse: 1.given a string print character followed by its frequency. 2. find max n min in given array 3. write table of 5 without loop
What is immutability
Viewing 11 - 20 interview questions