Multi threading Interview Questions - 1

Multi-threading is a concept that even some of the experience developers also find difficult to understand. If you are appearing for investment bank, insurance or healthcare technology services company, the chances are that you will be tested thoroughly on the multi-threading concepts. Depending upon your experience, the questions may vary from basic to advanced levels. There are generally a set of written questions as well on this topic, which I will try to compile very soon. So, here is the list of basic questions on multi-threading.

Singleton Design Pattern Questions

Singleton Design Pattern is the basic design pattern that most of the developers seems to learn at the very early stages of their career (including me). So it is natural that there are lot questions that interviewers asked in order to see whether the person has just crammed up the definition or actually knows how to write it as well. Also, the implementation of this pattern has also changed a lot over time and a thorough knowledge of the same would mean that the person is also up to date with the new techniques.

Hibernate Questions -1

Hibernate is an ORM tool that is used by various applications to reduce the effort of writing Database interaction code. It is a kind of becoming de-facto for various database tasks. So it becomes important for most of the organisation in the Java JEE space that there development team is well versed with this technology. Here I would try to list various questions that might be asked on Hibernate technology.

Mutli Threading Question Written - 1

Question : There are three threads, which can print an assigned array as below:

            Thread1  - {1,4,5}
            Thread2  - {2,5,7}       
            Thread3  - {3,6,9}

Write a program that print the output so that the output is always 1,2,3,4,5,6,7,8,9? Also, make it extendible so that the same logic can be applied to more number of threads.

Spring Interview Question - 2

This is the second set of questions that are generally asked during the interviews on Spring Framework. Some of these are advanced level questions like on the MVC architecture.