BDO Executive Trainer Interview Questions and Answers

1. Prime Factors Operations

You are given an integer n. In one operation, you can do the following

• Pick a number P such that P is prime and n is divisble by P. Assign P

Find the maximum number of operations you can perform.

Function description

Complete the primeGame function in the editor below. It has the following param

Name

Type

Description

INTEGER

The given integer n.

n

Return

The function must return an INTEGER denoting the maximum operations you can perform.

Constraints

• 1 ≤ n ≤ 10^9

Input format for debugging

• The first line contains an integer, n, denoting the initial value of n. desc

Q1. What is Object-Oriented Programming (OOP) in Java, and can you explain concepts such as encapsulation and polymorphism with examples?
Ans. 
OOP in Java is a programming paradigm that uses objects to design applications. Encapsulation is the bundling of data and methods, while polymorphism allows objects to be treated as instances of their parent class.
• OOP in Java focuses on creating objects that interact with each other to design applications

• Encapsulation in Java involves bundling data (variables) and methods (functions) within a class to restrict access f...read more
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Q2. What are wrapper classes in Java, and what is their purpose?
Ans. 
Wrapper classes in Java are classes that allow primitive data types to be used as objects.
• Wrapper classes provide a way to convert primitive data types into objects.

• They are used when an object is required, such as in collections like ArrayList.

• Examples include Integer for int, Double for double, Boolean for boolean, etc.
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Q3. Given an array, how can it be rotated to the left?
Ans. 
To rotate an array to the left, shift all elements to the left by one position and move the first element to the end.
• Create a temporary variable to store the first element of the array.

• Shift all elements to the left by one position.

• Assign the temporary variable value to the last element of the array.
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Q4. Can you explain the projects you have completed and provide details about your internships?
Ans. 
I have completed projects in renewable energy and automation systems. I have also interned at a manufacturing company and a research institute.
• Completed a project on designing a solar-powered irrigation system for a rural community

• Completed a project on developing an automated warehouse management system using RFID technology

• Interned at a manufacturing company where I worked on optimizing production processes

• Interned a...read more
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Q5. What is the difference between an ArrayList and an array in Java?
Ans. 
ArrayList is a dynamic array in Java that can grow or shrink in size, while an array has a fixed size.
• ArrayList can dynamically resize itself, while array has a fixed size.

• ArrayList is a class in Java, while array is a basic data structure.

• ArrayList provides methods to add, remove, and access elements easily, while array requires manual manipulation.

• Example: ArrayList<String> list = new ArrayList<>(); Strin...read more
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Q1. What is health insurance?
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Q2. Why people do insurance?
Ans. 
People do insurance to protect themselves financially from unexpected events or losses.
• To protect themselves financially from unexpected events or losses

• To comply with legal requirements (e.g. car insurance)

• To provide financial security for their loved ones in case of death or disability

• To cover expensive medical treatments or procedures

• To safeguard their assets and investments

• To gain peace of mind and reduce financial
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Q3. Why insurance is necessary?
Ans. 
Insurance is necessary to protect individuals and businesses from financial losses due to unexpected events.
• Provides financial protection against risks such as accidents, natural disasters, and illnesses

• Helps individuals and businesses recover from losses without facing financial ruin

• Promotes financial stability and peace of mind for policyholders

• Mandatory in some cases, such as auto insurance for drivers

• Encourages res...read more
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Question was on bitwise operator, array

Q1. Tell me about yourself
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This is only for freshers

Q1. Tell me about yourself
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Q2. Why do you wanna join this company?
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Q3. Basic of reinsurance
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Q4. Who is your role model?
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Q5. Where do you see yourself in 5 years?
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Q6. Are you happy with salary and working hours?
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Q1. All the questions revolve around knowing you as a person
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Q1. Springboot microservices
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Q2. SAGA design pattern & java8
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Basic knowledge and aptitude base questions

Simple discussion it was

Q1. Basic regarding profile and study base questions
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Tell me about revolution in indian banking sector

Q1. Introduce yourself
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Q2. Why you want to join l& t finance
Ans. 
I want to join L&T Finance because of its strong reputation in the finance industry and the opportunities for growth and development.
• Strong reputation in the finance industry

• Opportunities for growth and development

• Exciting challenges and projects to work on

• Desire to learn from experienced professionals

• Passion for finance and investment
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Q3. Your long term goal
Ans. 
To become a successful leader in the industry by continuously learning and growing, eventually reaching a senior management position.
• Continuously seek opportunities for professional development and growth

• Set specific career milestones and work towards achieving them

• Build strong relationships with mentors and industry leaders

• Stay updated on industry trends and developments

• Eventually aim for a senior management position
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Q4. What are your strengths
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