Nomura Holdings Java Developer Interview Questions and Answers

Yes, I have coded in curriculum. The most complex one was a project on building a web application using React and Node.js.

• Built a full-stack web application using React and Node.js

• Implemented user authentication and authorization using JSON Web Tokens (JWT)

• Used MongoDB as the database and Mongoose as the ODM

• Implemented real-time updates using Socket.IO

• Deployed the application on Heroku

• Handled errors and implemented log

Big data refers to large and complex data sets that cannot be processed using traditional data processing methods.

• Big data is characterized by its volume, velocity, and variety

• It is used in various industries such as healthcare, finance, and retail

• Examples of big data include social media data, sensor data, and transactional data

• It is called 'big' because it involves processing massive amounts of data

• Big data requires ...read more

I am passionate about technology and eager to learn new skills in the IT sector.

• I have always had a keen interest in technology and enjoy working with computers.

• I believe the IT sector offers more opportunities for growth and advancement in my career.

• I have seen the impact of technology on various industries and want to be a part of that innovation.

• I have taken courses in programming and networking to prepare myself fo

To find the product of all data points using SelectSum(), log(), and exp() functions.

• Use the log() function to convert the product into a sum of logarithms

• Apply the SelectSum() function to calculate the sum of logarithms

• Finally, use the exp() function to convert the sum back into the product

I am a highly motivated individual with a passion for learning and achieving my goals.

• I have a degree in computer science and have worked as a software developer for 3 years.

• I am proficient in multiple programming languages including Java, Python, and C++.

• I enjoy working in a team environment and collaborating with others to solve complex problems.

• In my free time, I enjoy hiking and exploring new places.

I grew up in a small town with my parents and younger sister. We were a close-knit family.

• Grew up in a small town

• Close-knit family

• Parents and younger sister

• Participated in community events

• Enjoyed outdoor activities

I enjoy reading, hiking, and trying new recipes in my free time.

• Reading books on various topics, including fiction, non-fiction, and self-improvement

• Hiking in local parks and nature reserves to explore new trails and enjoy the outdoors

• Experimenting with new recipes and cooking techniques in the kitchen

• Attending cultural events such as concerts, plays, and art exhibits

• Spending time with family and friends, playing board

I would expect a supportive work environment, opportunities for growth and development, and a commitment to excellence.

• Supportive and collaborative team culture

• Clear communication and feedback

• Opportunities for professional development and advancement

• Commitment to high-quality work and customer satisfaction

• Competitive compensation and benefits package

Yes, I have a cousin who lives in Bangalore.

• I have a cousin who has been living in Bangalore for the past 5 years.

• We keep in touch and he has shown me around the city during my visits.

• He works in the IT industry and enjoys the vibrant culture of Bangalore.

Loop in a circular linked list can be found using Floyd's cycle-finding algorithm.

• Initialize two pointers, slow and fast, both pointing to the head of the linked list.

• Move slow pointer by one node and fast pointer by two nodes in each iteration.

• If there is a loop, both pointers will eventually meet at some point.

• If there is no loop, fast pointer will reach the end of the linked list.

• Time complexity of this algorithm is

Pre-fix and post-fix operations can be performed on a string expression using appropriate operators.

• Pre-fix operation involves placing the operator before the operand in the expression.

• Post-fix operation involves placing the operator after the operand in the expression.

• Examples of pre-fix operators include ++, --, !, and ~.

• Examples of post-fix operators include ++ and --.

Data analytics is the process of examining data sets to draw conclusions about the information they contain.

• Data analytics involves collecting, cleaning, and analyzing data to identify patterns and trends.

• It can help businesses make informed decisions by providing insights into customer behavior, market trends, and operational efficiency.

• For example, a retail company can use data analytics to analyze sales data and ide...read more

Strengths include adaptability and teamwork. Weaknesses include public speaking. Non-core background allows for diverse perspective. JPMorgan Chase's reputation and opportunities attract me.

• Strengths: adaptability, teamwork

• Weakness: public speaking

• Non-core background brings diverse perspective

• Attracted to JPMorgan Chase's reputation and opportunities

I would pursue my entrepreneurial dream and start my own company.

• I would conduct market research to validate my idea and identify potential competitors.

• I would create a business plan outlining my goals, strategies, and financial projections.

• I would secure funding through investors or loans.

• I would assemble a team of talented individuals with diverse skills and experiences.

• I would continuously evaluate and adapt my busi

I would listen to both sides, gather more information, and try to find a compromise that satisfies everyone.

• Listen to both sides and understand their perspectives

• Gather more information about both ideas

• Try to find common ground and a compromise that satisfies everyone

• Encourage open communication and respect for each other's ideas

• Consider the potential impact and benefits of each idea

• Involve a neutral third party if nec

Company is a global technology company known for its innovative products and services.

• Founded in 1976 by Steve Jobs, Steve Wozniak, and Ronald Wayne.

• Known for products such as iPhone, iPad, Mac computers, and Apple Watch.

• Offers services like Apple Music, iCloud, and Apple Pay.

• Has a strong focus on design and user experience.

ATM transaction involves multiple background processes including authentication, authorization, and communication with bank servers.

• Customer inserts card and enters PIN

• ATM authenticates the card and PIN

• ATM requests authorization from bank server

• Bank server verifies account balance and approves or denies transaction

• ATM dispenses cash or completes other requested transaction

• ATM updates account balance and sends transacti

Cut cake into 8 pieces using knife 3 times only.

• First, cut the cake horizontally into two equal halves.

• Then, cut the cake vertically into four equal pieces.

• Finally, cut the cake horizontally again into eight equal pieces.

• Make sure to use the knife efficiently to minimize the number of cuts.

• Practice visualization before making the cuts to avoid mistakes.

The one bird was already dead.

• The bird was already dead before the shot was fired.

• The bird was injured and unable to fly away with the rest of the birds.

• The bird was a decoy bird used for hunting purposes.

• The bird was a trained bird used for falconry.

Developed a web-based attendance management system and a mobile app for event management.

• Created a database schema and implemented CRUD operations using PHP and MySQL.

• Designed the user interface using HTML, CSS, and JavaScript.

• Integrated Google Maps API for location tracking in the mobile app.

• Implemented push notifications using Firebase Cloud Messaging.

• Collaborated with a team of four to complete the projects within t

The algorithm reverses a given string.

• Iterate through the string from the last character to the first character.

• Append each character to a new string or an array in reverse order.

• Return the reversed string or array.

As the CEO, I would select the candidate based on their qualifications and skills, regardless of their background or personal characteristics.

• I would focus on the qualifications, skills, and experience of each candidate.

• I would consider their ability to contribute to the company's goals and objectives.

• I would ensure a fair and unbiased selection process.

• I would prioritize diversity and inclusion in the workplace.

• I woul...read more

Code for rand7 using rand5 function

• Use rand5 twice to generate a number in [1,25] with equal probability

• If the number is greater than 21, discard and try again

• Otherwise, return (number mod 7) + 1

LRU cache is implemented using a doubly linked list and a hash map.

• Create a doubly linked list to keep track of the order of elements in the cache.

• Create a hash map to store the key-value pairs of the cache.

• When a new element is added, check if the cache is full. If it is, remove the least recently used element from the linked list and the hash map.

• When an element is accessed, move it to the front of the linked list to...read more

Function to randomly select pivot element in Quick Sort

• Generate a random index within the range of the array

• Return the element at the randomly generated index as the pivot