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NatWest Group Java Software Developer Interview Questions, Process, and Tips
NatWest Group Java Software Developer Interview Experiences
1 interview found
I applied via Walk-in and was interviewed in Apr 2024. There were 3 interview rounds.
(1 Question)
- Q1. Basic mcq's related to Java,spring Boot
(4 Questions)
- Q1. Importance of Equals and hashcode
- Ans.
Equals and hashcode are important for object comparison and hashing in Java.
Equals method is used to compare two objects for equality.
Hashcode method is used to generate a unique integer value for an object.
Equals and hashcode are used in collections like HashMap and HashSet for efficient retrieval and storage.
- Q2. Difference between comparable and comparator
- Ans.
Comparable is an interface used for natural ordering, while Comparator is an interface used for custom ordering.
Comparable is implemented by the class itself to define the natural ordering of objects.
Comparator is implemented by a separate class to define custom ordering of objects.
Comparable uses the compareTo() method to compare objects, while Comparator uses the compare() method.
Example: String class implements Comp...
- Q3. Write code for Singelton design pattern
- Ans.
Singleton design pattern ensures a class has only one instance and provides a global point of access to it.
Create a private static instance of the class
Provide a public static method to access the instance
Ensure the constructor is private to prevent instantiation
- Q4. Difference b/w hashmap and hashtable
- Ans.
HashMap is non-synchronized and allows null values, while Hashtable is synchronized and does not allow null keys or values.
HashMap is non-synchronized, while Hashtable is synchronized
HashMap allows null values, while Hashtable does not allow null keys or values
HashMap is faster than Hashtable
HashMap is part of the Java Collections Framework, while Hashtable is a legacy class
(2 Questions)
- Q1. How do you resolve conflicts within the team
- Q2. What went well in you last company? What didn't go well?
- Ans.
At my last company, effective communication and collaboration among team members went well, but there were challenges with project timelines and resource allocation.
Effective communication and collaboration among team members
Challenges with project timelines
Challenges with resource allocation
Interview Preparation Tips
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
I appeared for an interview before Mar 2016.
Interview Questionnaire
2 Questions
- Q1. Some technical questions were asked
- Q2. They spring hibernate MVC flow and core java and Oracle connectivity questions
Interview Preparation Tips
Experience: There was a Team manager and his junior for the interview
Joins, Jobs, stored procedures,cursors.
(1 Question)
- Q1. What is my package
Selected
HackerEarth / Hacker rank Test
(1 Question)
- Q1. Find the lowest cost when given days you want to use metro if you have cost of a day 1 ,7 and 30 day pass. DP Problem
- Ans.
Using dynamic programming to find the lowest cost for metro passes based on given days.
Create an array to store the minimum cost for each day.
Iterate through each day and calculate the minimum cost based on 1, 7, or 30 day pass.
Update the minimum cost for each day using dynamic programming.
Return the minimum cost for the total number of days needed.
(1 Question)
- Q1. Normal HR Questions
Interview Preparation Tips
Skills evaluated in this interview
Daniel Otto
Behavioural and culture fit
Simple algorithm question about sorting
(2 Questions)
- Q1. Algorith question about quick sort
- Q2. Nlonn run time of the sort
- Ans.
The time complexity of the quicksort algorithm is O(n log n).
Quicksort has an average time complexity of O(n log n).
The best case time complexity of quicksort is O(n log n) when the pivot element divides the array into two equal halves.
The worst case time complexity of quicksort is O(n^2) when the pivot element is the smallest or largest element in the array.
Skills evaluated in this interview
I applied via Recruitment Consulltant and was interviewed in Nov 2021. There were 3 interview rounds.
Basic data structure related coding questions like creating a linked list and adding items to it median.
Max heap implementation.
Concurrency related questions.
(1 Question)
- Q1. Senior developer was taking the round, covering all design and architecture related questions. I was able to give a satisfactory solution.
(1 Question)
- Q1. Just some behavioural question along with a lil bit technical questions. Asked me about my current projects and problems faced, how i gave a proper solution and how i help my team to grow.
Interview Preparation Tips
Senior Software Engineer Interview Questions & Answers
IDFC FIRST Bank
Anonymous
posted on 22 Aug 2022
I applied via Company Website and was interviewed in Jul 2022. There were 2 interview rounds.
General knowledge and development skills and new things..
Interview Preparation Tips
- Software Development
- New development
Selected
I applied via Naukri.com and was interviewed before Jun 2023. There was 1 interview round.
(2 Questions)
- Q1. Coding round java
- Q2. Spring boot and devops activities
Interview Preparation Tips
Senior Software Engineer Interview Questions & Answers
IDFC FIRST Bank
Anonymous
posted on 21 Oct 2024
I applied via Recruitment Consulltant and was interviewed in Sep 2024. There were 4 interview rounds.
(1 Question)
- Q1. Basic Java and react question
(1 Question)
- Q1. Little technical and project oriented question
Basic hacker rank problem
(1 Question)
- Q1. Asked few questions on react and java
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NatWest Group Java Software Developer Interview Process
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