Java,spring boot & Micro services

TIAA 1.how NLP Implemented in your company 2.NLP algorithm ? 3.NLP working in KB? How AI is implemented

L & T (telephonic) 1.get access data from database using thread in concurrent manner 2. How to set priorities in two task ?--- PriorityQueue 3.how to set priorities in thread ? 4.how you handle outofmemmory error ? Weather we handle outofmemmory error or not ? 5. Best way read large files ? 6.When use bufferreader what happened internally ?is buffer reader store internally store anything to cap memory/cache. 7. What is scanner ? Difference between buffer reader and scanner ? When use bufferreader or when use scanner ? 8. Java Nio ? 9. Jdk 1.8 features ? 10. What you understand abstract or interface ? Can we create Constructor in abstract class or interface ? 11. What is Polymerphism ? WHAT IS Overloading or Overriding ? 12. Hibernate,JPA and Spring 13. What is high level design or low level design ?what is key factors while preparing designing like logging,scalability ? 14.what you advice while designing your application for performance in database access? What type of designing pattern use in this case ? 15. Rest API ? What framework use? What library use like Rest Api ,Spring MVP , JERSEY 16 What type Soap web services use ? ---- AXIS 2 17. Ever use Database Join ? Any experience store procedure ? How to call store procedure from java 18 Linux ? tomcat with NO HOP Command ? Unix Command to print websphere process ID ? 19 how to KILL PID in Linux ?---- Kill -9 PID 20.how to read core dump ?

Delloite 1.what is diff between procedural oriented language and object oriented lnaguage 2.oops concept explain 3.diff between abstraction and encapsulation 4.abstaction and abstract class is same 5.diff between abstraction and interface 6.whats is muliple inhetance in java 7.can muliple inheritan e possible in java using abstract class 8.what is o/p of below code interface a{ int i=10} interface b{ int i=5} class c a,b{ sop(i) } o/p:? 9.write code for jdbc connection in java 10.how Hashmap internally work 11.write code to retrieve elements from hashtable 12.diff between vector and arraylist 13.what is synchronization 14.what ibm websphere?is it application server or web server?why you use it? 15.diff between application server and web server

Accenture 1.what is interface 2.differences between statement and preparedstatement 3.what is method overriding 4.whats is immutable class 5.about current projects 6.what is serialization 7.how to sort arraylist elements 8.how to sort elements employee in arraylist based on age employee. 9.max sal query 10.program to create singleton class 11.program to get unique record using collection 12.string pool logical program

infosys 1.oops concept ? real life example 2.final keyword use?real life example for why not override final method? 3.method overriding? 4.SDLC life cycle use?

CitiusTech 1.Briefly specify your role company 2.Oops concept 3.write code to create singleton class. 4.multiple inheritance possible in java? if yes how ? 5.is it possible to extend class by both abstract class and interfac 6.Tool to check java coding standard ? 7.multithreading questions?

L & T infotech telephonic 1.oops concept 2.what dynamic dispatch and static calling in polymorphism 3.Different types of exceptions