BEDROC Interview Questions and Answers

Q1. Run time polymorphism code
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Q2. Linked list code
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Q3. Deep copy shallow copy differences
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Deep copy creates a new copy of an object with its own unique memory space, while shallow copy creates a new object that references the same memory locations as the original object.
• Deep copy duplicates all nested objects, while shallow copy only duplicates the references to nested objects.

• Deep copy ensures that changes to the copied object do not affect the original object, while shallow copy may lead to unintended sid...read more
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Q1. More deep questions about polymorphism code
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Q2. Code for interchange of strings without strcpy
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Use a loop to swap characters of two strings without using strcpy function.
• Create two arrays of characters to store the strings

• Use a loop to iterate through each character of the strings and swap them

• Ensure to handle cases where strings have different lengths
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Average to easy difficulty level.

Q1. Java code of string manipulation
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String manipulation in Java involves various methods like substring, concat, replace, etc.
• Use substring() to extract a part of the string

• Use concat() to concatenate two strings

• Use replace() to replace a specific character or substring in a string
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Q2. What is the Java code for various types of sorting algorithms?
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Various sorting algorithms in Java code
• Bubble Sort: int[] arr = {5, 2, 8, 1, 3}; Arrays.sort(arr);

• Selection Sort: int[] arr = {5, 2, 8, 1, 3}; Arrays.sort(arr);

• Insertion Sort: int[] arr = {5, 2, 8, 1, 3}; Arrays.sort(arr);

• Merge Sort: int[] arr = {5, 2, 8, 1, 3}; Arrays.sort(arr);

• Quick Sort: int[] arr = {5, 2, 8, 1, 3}; Arrays.sort(arr);
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Q3. Sql query and topics related to joins.
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Q1. About yourself and family
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Q2. What do you know about the company?
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The company is a leading software development firm specializing in creating innovative solutions for various industries.
• Specializes in creating innovative software solutions

• Works with clients from various industries

• Known for high-quality and reliable products

• Has a strong team of software engineers and developers
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Q3. Can you provide examples of real-life scenarios where you handled conflicts with either a colleague or a manager?
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Handled conflicts by addressing issues directly, seeking compromise, and maintaining professionalism.
• Addressed a disagreement with a colleague by scheduling a one-on-one meeting to discuss concerns and find common ground.

• Resolved a conflict with a manager by actively listening to their perspective, providing feedback, and working together to find a solution.

• Maintained professionalism during conflicts by staying calm, r...read more
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Q4. What actions would you take if your manager does not approve your product idea, and how would you attempt to persuade them?
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I would gather more data to support my idea, present a compelling case to my manager, and be open to feedback and compromise.
• Gather data to support the idea, such as market research, user feedback, or cost-benefit analysis.

• Prepare a well-structured presentation highlighting the potential benefits of the product idea.

• Listen to the manager's concerns and feedback, and be open to making adjustments or compromises.

• Seek sup...read more
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Q1. HTML, CSS fundamentals
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Q2. Javascript event loop and array methods
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Q3. Javascript coding for operation on object array
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Performing operations on an array of objects using JavaScript.
• Use array methods like map, filter, reduce for operations on object array.

• Access object properties using dot notation or bracket notation.

• Iterate through the array using loops like for loop or forEach method.

• Example: Calculate total sum of 'price' property in an array of products.
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Q4. React benefits and Redux implementations
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Q5. How to create slice and combine reducers
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To create slice and combine reducers in React, use the createSlice and combineReducers functions from Redux toolkit.
• Use createSlice function to define a slice of state with reducers and actions.

• Example: const counterSlice = createSlice({ name: 'counter', initialState: 0, reducers: { increment: state => state + 1, decrement: state => state - 1 } })

• Use combineReducers function to combine multiple slices into a sing...read more
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Q1. Questions based on projects, role, responsibilities and initiative at work place
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Q2. How to create and optimize a react application
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To create and optimize a React application, focus on efficient component structure, state management, code splitting, lazy loading, and performance monitoring.
• Use functional components and hooks for better performance.

• Implement state management with tools like Redux or Context API.

• Split code into smaller chunks and lazy load components for faster initial load times.

• Optimize performance by minimizing re-renders and usin...read more
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Q1. Day to day activity of workplace and salary negotiation
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Day to day activities involve coding, debugging, testing, collaborating with team members. Salary negotiation involves research, preparation, and effective communication.
• Coding and developing new features

• Debugging and fixing issues

• Testing code for quality assurance

• Collaborating with team members for project progress

• Researching market rates for salary negotiation

• Preparing a strong case for desired salary

• Effectively comm
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Q1. Windows function-related questions.
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Q2. Join Related Questions.
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Q1. Join related Questions
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Q2. Subqueries related queations.
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Logical and quants like percentage, clock hand, coding decoding

Q1. Tell about project
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Q2. Pattern printing
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Q3. Print any python program you know
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Q1. What are the different types of interfaces?
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Different types of interfaces include user interfaces, hardware interfaces, and software interfaces.
• User interfaces: allow users to interact with the system, such as graphical user interfaces (GUI) and command-line interfaces (CLI)

• Hardware interfaces: connect hardware components to the system, such as USB, HDMI, and Ethernet ports

• Software interfaces: define how software components interact with each other, such as appl...read more
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Q2. What is the output of the program when the expression is evaluated as 0 divided by 7?
Ans. 
The output of the program when 0 is divided by 7 is 0.
• Division of 0 by any number results in 0.

• In programming languages, dividing by 0 usually results in an error or undefined behavior.
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Q3. What are coroutines, scope functions, and visibility modifiers?
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Coroutines, scope functions, and visibility modifiers are key concepts in Kotlin programming for Android development.
• Coroutines are a way to perform asynchronous programming in a sequential manner. They allow for non-blocking operations.

• Scope functions are functions that allow you to execute a block of code within the context of an object. Examples include 'let', 'apply', 'run', 'also', and 'with'.

• Visibility modifiers ...read more
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Q1. What is the MVVM (Model-View-ViewModel) architectural pattern?
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MVVM is an architectural pattern that separates the user interface from the business logic and data handling in Android development.
• Model represents the data and business logic of the application.

• View is responsible for displaying the UI elements and sending user interactions to the ViewModel.

• ViewModel acts as a mediator between the Model and the View, handling the communication and data flow.

• MVVM helps in achieving se...read more
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Q2. What are the reasons for using that, and what are its pros and cons?
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Using dependency injection in Android development can improve code maintainability and testability.
• Pros: easier to manage dependencies, promotes code reusability, facilitates unit testing

• Cons: initial setup can be complex, may introduce overhead in smaller projects

• Example: Using Dagger 2 for dependency injection in an Android project
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Q3. Questions related Dependency injection dagger-hilt / koin
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