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It was data structures and algorithm
I was interviewed before Sep 2023.
Java 8 introduced the concept of functional programming with the addition of lambda expressions and streams.
Lambda expressions allow for concise code and easier parallel programming.
Streams provide a way to work with collections of objects in a functional style.
Functional interfaces like Predicate, Function, and Consumer are commonly used with lambda expressions.
Implement a coding challenge in Java 8
Use lambda expressions and functional interfaces to write concise and readable code
Utilize streams to process collections efficiently
Leverage method references for cleaner code
I was interviewed before Sep 2020.
Round duration - 90 minutes
Round difficulty - Medium
The coding round consisted of 3 coding questions. 1st question was of 20 marks, 2nd and 3rd of 50 marks.
Given an array 'ARR' consisting of 'N' positive integers, determine the minimum number of operations needed to make all elements of the array equal. You may ...
Determine minimum operations to make all array elements equal using addition, subtraction, multiplication, or division.
Iterate through array to find the minimum and maximum values
Calculate the difference between the maximum and minimum values
Return the difference as the minimum number of operations needed
Given an array of obstacles' coordinates, determine the minimal jump length to reach beyond all obstacles starting from coordinate 0 while avoiding landing on any obstacle...
Find the minimal jump length to bypass all obstacles while avoiding landing on any obstacle.
Iterate through the obstacle coordinates to find the maximum coordinate.
Calculate the minimum jump length needed to bypass all obstacles.
Ensure the jump length consistently avoids all obstacle points.
The final jump can overshoot the line's end point.
You are given an unsorted array/list ‘ARR’ of ‘N’ integers. Your task is to return the length of the longest consecutive sequence.
The consecutive sequence ...
Find the length of the longest consecutive sequence in an unsorted array of integers.
Sort the array to make it easier to identify consecutive sequences.
Use a set to store unique elements and check for consecutive numbers.
Track the length of consecutive sequences and update the maximum length found.
Handle duplicates by counting only one occurrence in the consecutive sequence.
Round duration - 45 minutes
Round difficulty - Easy
Timing: 10:15 - 11:00 am.
The interview was online from home.
Round duration - 45 minutes
Round difficulty - Medium
Timing: 2:15 - 3:00 PM
The interview was online from home.
There were a few audio cuts in the video call but we were able to manage regardless.
Given a string STR
containing characters from [a-z], [A-Z], [0-9], and special characters, determine the reverse of the string.
The input starts with a single i...
Reverse a given string containing characters from [a-z], [A-Z], [0-9], and special characters.
Iterate through the characters of the string in reverse order and append them to a new string.
Use built-in functions like reverse() or StringBuilder in languages like Python or Java for efficient reversal.
Handle special characters and numbers along with alphabets while reversing the string.
Ensure to print each reversed string
Tip 1 : For OOPS, DS and programming, I recommend Codezen, Leetcode, InterviewBit and GeeksforGeeks.
Tip 2 : For OS, DBMS and Computer Network, I recommend GateSmasher, Knowledge Gate and TutorialsPoint.
Tip 3 : For SQL, I recommend W3Schools and GeeksforGeeks.
Tip 4 : Always maintain your cool during Interviews, and answer the questions calmly. If you get stuck in a problem, do not hesitate to ask for hints.
Tip 1: Mention only those projects and internships in your resume that you are comfortable with, that is, you can explain to the interviewee.
Tip 2: Mention only those skills/programming languages in your resume that you are comfortable with, that is, you have proper knowledge of as the interviewee can ask questions from those languages specifically.
Tip 3: Keep your data in your resume honest and accurate.
What people are saying about Deutsche Bank
I was interviewed before Mar 2016.
I applied via Naukri.com and was interviewed in Apr 2022. There were 2 interview rounds.
posted on 31 Oct 2022
I applied via Company Website and was interviewed before Oct 2021. There were 2 interview rounds.
I have followed the MVC, Singleton, and Factory design patterns in my past projects.
MVC pattern for separating concerns and improving maintainability
Singleton pattern for ensuring only one instance of a class is created
Factory pattern for creating objects without exposing the instantiation logic
Applications can be secured by implementing various security measures such as authentication, authorization, encryption, and regular updates.
Implement strong authentication mechanisms such as multi-factor authentication
Use authorization to restrict access to sensitive data and functionalities
Encrypt sensitive data both in transit and at rest
Regularly update the application and its dependencies to patch security vulnera...
posted on 19 Apr 2020
I applied via Company Website and was interviewed in Oct 2019. There were 4 interview rounds.
posted on 16 Oct 2024
I applied via LinkedIn and was interviewed in Apr 2024. There was 1 interview round.
1)Buy and sell stock
2)2 sum
3) system design
4) Elastic search
5) deployment
posted on 10 Jul 2024
LRU cache design involves maintaining a cache with limited capacity and removing the least recently used item when the cache is full.
Use a doubly linked list to maintain the order of items based on their usage.
Implement a hash map for fast access to items in the cache.
When a new item is accessed, move it to the front of the linked list to mark it as the most recently used.
When the cache is full, remove the item at the ...
I applied via Campus Placement and was interviewed in Dec 2020. There were 3 interview rounds.
Static is a keyword in Java used to create class-level variables and methods.
Static variables are shared among all instances of a class
Static methods can be called without creating an instance of the class
Static blocks are used to initialize static variables
Static import is used to import static members of a class
The program replaces consecutive same characters in a string with a single '$'.
Iterate through each character in the string
Compare the current character with the next character
If they are the same, replace the next character with '$'
Continue until the end of the string
Function overloading is having multiple functions with the same name but different parameters. Function overriding is having a derived class implement a method with the same name and parameters as a method in its base class.
Function overloading is used to provide different ways of calling a function with different parameters.
Function overriding is used to provide a specific implementation of a method in a derived class...
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