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Iris Software Technical Lead - Java Interview Questions

Interviews at Iris Software

3 Interview Reviews

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Technical Lead - Java Interview

Anonymous Interview Candidate in Noida (India)
No Offer
Negative Experience

Application

I applied online. I interviewed at Iris Software (Noida (India)).

Interview

I was called for interview. First a written test was given. After clearing written test waited for one and half hour. Here is whole interview.
Interviewer: What technology you worked on.
Me: Java, Spring, Hibernate.
Interviewer: By technology I mean what version you worked on.
Me: Java 1.7, Spring 4, Hibernate 4
Mean time my phones rang up. I took phone from pocket, checked the caller, rejected the call. for 10 seconds the phone was ringing. I thought to switch off the phone so that it does not ring back, it took about another 4 seconds to switch off the phone.
Then Interviewer told me that he is done with the interview.
I came out and explained the whole story to HR person. He promised to look into it and update me but never contacted me.
I would say I encountered a psycho interviewer.

Interview Questions

Other Interview Reviews for Iris Software

  1.  

    Technical Lead - Java Interview

    Anonymous Interview Candidate in Noida (India)
    No Offer
    Negative Experience
    Average Interview

    Application

    I applied through other source. I interviewed at Iris Software (Noida (India)) in May 2019.

    Interview

    It was a walk-in and got a call from HR to appear for the same on weekend-Saturday.
    1st Round from which i was not shortlisted was taken at 3:30pm after waiting for 2 hours(reached venue at 1.30pm)
    Interviewer seems to be in too much hurry to leave for home that even after answering almost 80% of the questions correctly, profile was not shortlisted.

    Interview Questions

    • Overall exp., technologies worked upon, versions, duration
      Hashcode vs equals, contract b/w both by java
      Save employee object in hashmap when hashcode returns 1 and equals always “true” , and make e1,e2,e3 as key or employee.id as key, size of hashmap will be?
      Method overriding
      Class lock, method lock
      Can we take lock on object of class when class level lock is already acquired
      Executer apis in java
      How to restrict add method on list
      Diff scopes in spring
      Are controllers threadsafe
      How to make the same threadsafe
      Runnable vs callable
      Aggregation and composition
      Hibernate caching
      Session vs session factory
      Comparable vs comparator   Answer Question

  2.  

    Technical Lead - Java Interview

    Anonymous Interview Candidate in Noida (India)
    No Offer
    Negative Experience
    Average Interview

    Application

    I applied through a recruiter. I interviewed at Iris Software (Noida (India)) in August 2018.

    Interview

    I got a call from iris HR on 9th august 2018, a telephonic round was scheduled for 10 August, I could clear that . I was called for face to face discussion after 3 days,giving interview questions asked for that round

    Interview Questions

    • Q1. What is java memory model explain it?

      Q2. How Hashmap works internally many questions on the hashmap working.

        a. What is the data structure is used to store entity?
        b. how hashcode works with the performace of hashmap?
        c. What is the good way to override hashmap?
        d. Which version of java uses Red Black tree for storing hash entity having hashcode collision?
        e. What is hash collision explain that.
        write some code which uses a class as key and override hashcode and equals mehod in that.
        f.write code for good hashcode.

      Q3 What is Executor framework in java?
        a. write code for creating threads using executor framework.
        b. How will you assign threads doing subtask in executor framework?
        c. What is Lock?
        d. which is concurrency package, what are the classes in that?
        e. what is semaphore? Where it is used?
        f.Tell something about producer and consumer problem, which class of queue interface is used to solve it?

      Q4 How ArrayList works? which Collection is resizable? when arraylist grows what is the new size?   Answer Question
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