NatWest Markets Lead Java Developer Interview Questions and Answers

It had more than 30 aptitude questions and 2 coding questions

Q1. It was totally a tech round all questions were from Data structure, dbms, java, computer networking
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Q1. What is HTML?
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HTML stands for Hyper Text Markup Language. HTML is the standard markup language for creating Web pages. HTML describes the structure of a Web page. HTML consists of a series of elements. HTML elements tell the browser how to display the content.
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Q2. What is CSS?
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Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation of a document written in HTML or XML (including XML dialects such as SVG, MathML or XHTML). CSS describes how elements should be rendered on screen, on paper, in speech, or on other media.
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Q3. What is MySQL?
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Q4. What is Java?
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Q5. What is the full form of PHP?
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The full form of PHP is Hypertext Preprocessor. It was abbreviated previously as Personal Home Page. It is a programming language widely used to build web applications or websites.
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Basic data structure related coding questions like creating a linked list and adding items to it median.
Max heap implementation.
Concurrency related questions.

Q1. Senior developer was taking the round, covering all design and architecture related questions. I was able to give a satisfactory solution.
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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.
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1)Buy and sell stock
2)2 sum
3) system design
4) Elastic search
5) deployment

Simple algorithm question about sorting

Q1. Algorith question about quick sort
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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.
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Q1. DSA questions and questions based on your skills
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Q2. What questions were asked regarding your resume during the interview?
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The interviewer asked about my projects, skills, and experiences listed on my resume to gauge my fit for the role.
• Discussed my previous role at XYZ Corp, focusing on a project where I improved system performance by 30%.

• Inquired about my proficiency in Java and how I applied it in developing a web application.

• Asked about my experience with Agile methodologies and how I contributed to sprint planning.

• Explored my involvem...read more
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Topic wt is ms office

Eassys dscover the basic structure of all essaysand see what a goo d essay introduction and conclusion look like

Q1. Ppt presentations and techical skillsare the abilities and knowledge needed to performtastks
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Q1. LRU cache design
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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 ...read more
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Q2. Current project
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