Brillo Technologies Software Development Engineer Interview Questions, Process, and Tips

Q1. 1. Difference between abstract class and interface. 2. Internal Working of HashMap 3. Difference Between ArrayList vs Linked List. 4. WAP to reverse a String 5. dependency Injections 6. IOC Container 7. S...read more
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This interview question covers various topics including abstract class, interface, HashMap, ArrayList, Linked List, String reversal, dependency injection, IOC container, and singleton class.
• Abstract class is a class that cannot be instantiated and can have both abstract and non-abstract methods.

• Interface is a blueprint of a class that can only have abstract methods and cannot be instantiated.

• HashMap is a data structure...read more
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Q2. Difference Between controller and Rest Controller
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Controller is a general term for handling requests, while Rest Controller is specifically for RESTful web services.
• Controller is responsible for handling incoming requests and returning responses.

• Rest Controller is a specialized type of controller that is used for building RESTful web services.

• Rest Controller uses HTTP methods like GET, POST, PUT, DELETE to perform CRUD operations on resources.

• Rest Controller returns d...read more
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Q3. What is Stream API in java 8
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Stream API is a new feature in Java 8 that allows processing of collections in a functional way.
• Stream API provides a set of functional interfaces and methods to perform operations on collections.

• It supports parallel processing of collections, making it faster for large datasets.

• Examples of operations include filtering, mapping, sorting, and reducing.

• Stream API can be used with both primitive and object types.

• It promot...read more
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Q1. Mostly from the project that i have worked on.
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Q2. Optional Class in java
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Optional class in Java is used to represent a value that may or may not be present.
• Optional class was introduced in Java 8.

• It is used to avoid null pointer exceptions.

• It can be used with streams to filter out null values.

• Example: Optional<String> name = Optional.ofNullable(null);

• Example: Optional<String> name = Optional.of("John");
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Assessment testing the knowledge in all the subjects of CSE

Q1. Not interested to share
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Java Coding round and Sql queries

Q1. Explain in detail about Oops Concept
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OOPs (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.
• OOPs focuses on creating objects that interact with each other to solve a problem

• Key principles include Inheritance, Encapsulation, Polymorphism, and Abstraction

• Inheritance allows a class to inherit properties and behavior from another class

• Encapsulation restricts access to certain components wi...read more
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Q2. Explain in detail on Collection
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Collections in programming refer to data structures that allow you to store and manipulate multiple elements.
• Collections can be used to store groups of related data, such as lists, sets, maps, or queues.

• They provide methods for adding, removing, and accessing elements within the collection.

• Examples of collections in Java include ArrayList, HashSet, HashMap, and LinkedList.
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Q1. Tell me about your self
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Q2. Tell me about your Hobbies
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The basics questions are there regarding basic concepts of computer engineering

Q1. What is the sdlc ?
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SDLC stands for Software Development Life Cycle, a process used by software development teams to design, develop, and test high-quality software.
• SDLC is a structured process that consists of several phases such as planning, analysis, design, implementation, testing, and maintenance.

• Each phase has its own set of activities and deliverables to ensure the successful completion of the software project.

• Examples of SDLC mode...read more
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Q1. Data regarding questions
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Q1. Tell me about your project
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