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SDE - 2

Wipro
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3 rounds | 2 Coding problems

Interview preparation journey

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Preparation
Duration: 2 Months
Topics: Spring, Hibernate, J2EE, Spring-boot, Micro services, Object Oriented Programming, RESTful Web Services, Competitive Programming , Data Structures and Algorithms, Design Pattern
Tip
Tip

Tip 1 : Use Leetcode , Geekforgeeks and Hacker earth for programming practise.
Tip 2 : prepare example for everything concept.

Application process
Where: Referral
Eligibility: Above 7 CGPA
Resume Tip
Resume tip

Tip 1 : write every thing you know, don't write any false things in resume
Tip 2 : write every project you have worked on and have experience

Interview rounds

01
Round
Medium
Online Coding Interview
Duration120 minutes
Interview date21 May 2020
Coding problem0

It was in afternoon and evironment was good. 50 MCQS.

Question Topics-
10 Data Structures and algorithms
10 databases
10 logical programming 
20 aptitude

02
Round
Hard
Telephonic
Duration60 minutes
Interview date22 May 2020
Coding problem1

It was in afternoon and evirnoment was good
There are 8-10 members are also there, so bit nervous but I have faith in me.

1. Technical Questions

He asked the questions from

1) basic Java and advanced Java .
2) database query and some of the concept.

3) OOPS concept
4) Question related to project that you have mentioned.

Problem approach

1) read the basic java and advanced java concept with example.
2) for every Oops concept you may have one practical and one technical example.
3) you have practise databse concept like join ,indexes, normalization,ACID Properties.
4) read you project throughly technical and non technical functionalities

03
Round
Easy
HR Round
Duration30 minutes
Interview date23 May 2020
Coding problem1

It was in evening and interviewer was also nice

1. Puzzle

There is a room with a door (closed) and three light bulbs. Outside the room, there are three switches, connected to the bulbs. You may manipulate the switches as you wish, but once you open the door you can’t change them. Identify each switch with its bulb. All bulbs are in working condition

Problem approach

Let the bulbs be X, Y, and Z
Turn on switch X for 5 to 10 minutes. Turn it off and turn on switch Y. Open the door and touch the light bulb.
1. the light is on from the bulb, it is Y

Now we will check other two off bulbs
2. the bulb which is hot, it is X
3. the bulb which is cold, it is Z

Here's your problem of the day

Solving this problem will increase your chance to get selected in this company

Is method overloading possible by changing the return type?

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