Brillo Technologies Senior Engineer Interview Questions and Answers

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Q1. Java, DB, Spring, UI related questions asked.
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Q2. CoreJava Multi-threading
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Q3. Database many to many relattionship related question
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Q1. Mutli-threading related questions
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Q1. Salary expectation and joining details.
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Q1. Manual testing, regression, test plan and test suite
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Live coding on my technology

Q1. Oops, solid principles, mvc vs mvvm vs mvp
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Q1. About ur self and recent achievements
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Q1. Java Multithreading
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Q2. Core java using java 8 features
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Core Java features in Java 8 include lambda expressions, functional interfaces, streams, and default methods.
• Lambda expressions allow you to pass functionality as an argument to a method.

• Functional interfaces have a single abstract method and can be used with lambda expressions.

• Streams provide a way to process collections of objects in a functional style.

• Default methods allow interfaces to have methods with implementat...read more
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Q3. Oops concepts in java
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Oops concepts in java refer to Object-Oriented Programming principles like Inheritance, Encapsulation, Polymorphism, and Abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability of a method to do different things based on the object it is acting upon.

• Abstraction: Hiding the imp...read more
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Q4. Spring MVC and Batch
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Q5. Basic SQL queries, joins and all
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Q1. Java 8 vs 7 case studies. Stream vs collections case studies.
Ans. 
Java 8 introduced streams which are more efficient than collections in certain cases.
• Streams are useful for processing large amounts of data in parallel

• Collections are better for small amounts of data or when modifying data

• Java 8's stream API provides a functional programming approach to data processing

• Java 7's collections API is more traditional and imperative

• Example: Using streams to filter and map data from a databa...read more
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Q1. Add one to a given String of number
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Add one to a given String of number
• Convert the string to integer, add one, and convert back to string

• Handle edge cases like leading zeros

• Consider using built-in functions like parseInt() and toString()
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Q1. Hash map implementation. exception handling in lambda exp. microservices architecture.
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Q1. Why u want to join?
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Q1. Difference between deep and shallow copy
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Deep copy creates a new object and recursively copies all nested objects, while shallow copy creates a new object and copies the references to nested objects.
• Deep copy duplicates all levels of the object hierarchy, ensuring that changes in the copied object do not affect the original object.

• Shallow copy only duplicates the top-level object, so changes in the copied object may affect the original object.

• Deep copy is mor...read more
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Q2. Ways to set values in form groups
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Ways to set values in form groups
• Use setValue() method to set values in form groups

• Use patchValue() method to set values in form groups

• Use reset() method to set values in form groups
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Q3. How to add dynamic component in view
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To add a dynamic component in a view, use a framework or library that supports dynamic rendering and component creation.
• Use a framework like React or Angular that allows for dynamic component creation

• Create a component factory or use a component resolver to dynamically create and render components

• Pass data or props to the dynamic component to customize its behavior

• Update the view or component tree to include the dynami
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