SAP Interview Experience | Set 27 (On-Campus Internship)

Recently, SAP Labs India visited our campus for internship as well as for Full time hiring

The process for internship was :

1 Online test comprising of 5 sections:
(Quant , Verbal , Debug (2 coding qs in C had to be debugged), Coding (2 qs ) & Java – Guess the output type questions)
2 Technical Rounds
1 HR Round: After each round they eliminated few students
Branches allowed were T.Y.BTech CS & T.Y.BTech IT.

Overall 120+ students appeared for online test and out of which they shortlisted only 9 students for interviews.

F2F (1hr – 1:15) – 2 interviewers

It started off with normal HR questions
Tell me about yourself ?
About your past internships and projects, followed by brief discussion on technologies used , problems faced , learnings from it etc. Since Javascript was mentioned in my resume as one of the languages, the lady interviewer started firing qs related to it

Diff between interpreted vs compiled languages?
What is Hoisting in JS ?
What is Closure in JS ?
Call vs Apply ?
Brief discussion on “This” keyword
How is OOPS implemented in JS ? How is it diff then other languages?
Multiple vs Multilevel inheritance , Which one is supported by JS ?
Promises vs Callbacks vs Async ?
How to catch all undefined variables in JS ?
Types of Exceptions in JS ?
Explain MVC model with example
Wrote few codes in JS and asked output of each of them

Then they shifted to Database :

Draw database diagram for implementing Notifications – one to one
How to extend it to support – Broadcast Notifications
Few SQL queries related to it.

They ended the interview by asking few HR/Managerial qs

Why SAP ?
What if we reject you?
What if we assign you a project which is not of your interest ?
What if we your team members don’t contribute much to the project?

They elminated 4 ppl after round 1

F2F (1hr – 1:15) – Single interviewer

This was with a very Senior guy from SAP, he directly jumped to qs

Java:

Why do you like Java so much ? Procedural vs OOPS ?
Access Specifiers in Java?
Which is more secure ? Aggregation vs Composition ?
Explain all OOPS concepts
Abstract Class vs Interface ? Gave few scenarios and asked me when to choose which one
Inheritance & Diamond problem in Java?
Threading concepts -> yield() , sleep() , join()
How synchronization is achieved ? Wait(), notify() vs notifyAll()
Object level vs Class level locks ?
Checked vs Unchecked Exceptions ?
Asked few tricky qs on try, catch, finally

Since my previous internship was on Android, he asked few qs

How multi-threading is achieved in Android ? How is it different than Java ?
What is Async task ? preExecute(), postExecute() is called in Main thread or background thread?
Activity lifecycle ?
Fragment Lifecycle ?
Activity vs Fragments ?
How GCM push notifications works?
How OAuth works ?
SQLite DB vs SharedPreferences? When to use which Android app Architecture ? MVP , MVC?

Database:

Normalization ? What is INF,2NF,3NF ? What is Denormalization?
Gave few tables and asked to normalize them upto 3NF : Few SQL Queries related to it -> use of subquery/joins was not allowed
Joins -> Inner vs left vs Right vs Full
Few rapid fire qs :-> What is DML , DDL, DCL, TCL, DQL ?
ACID properties

OS:

DS: