Brillo Technologies Reactjs Developer Interview Questions and Answers

Q1. Basics of Javascript
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Q2. Basics of React
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Q1. Ask to write code for equal and hashcode in notepad
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Q2. Type of Collections and its internal working
Ans. 
Java collections are data structures that store and manipulate groups of objects.
• Types of collections include List, Set, Map, Queue, etc.

• Internal workings involve data structures like arrays, linked lists, hash tables, etc.

• Collections framework provides interfaces and classes for working with collections.
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Q3. Count number of occurrence of string from Array
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Count occurrences of a specific string in an array of strings.
• Iterate through the array and use a HashMap to store the count of each string.

• Use the string as key and increment the count each time it is encountered.

• Return the count of the specific string at the end.
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Q4. Write a code using stream
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Using stream to filter a list of strings
• Use the filter method to apply a predicate to each element in the stream

• Convert the stream back to a list using the collect method
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Coding test had two questions which we should solve using any of the programing language

Q1. Why do we use truncate in sql
Ans. 
Truncate is used in SQL to quickly delete all records from a table without logging individual row deletions.
• Truncate is faster than using DELETE statement as it does not log individual row deletions.

• Truncate resets the identity seed value of the table.

• Truncate cannot be rolled back and does not activate triggers.
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Q2. Memory management techniques in os.
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Memory management techniques in operating systems involve allocation, deallocation, and optimization of memory usage.
• Memory partitioning: dividing memory into fixed-size or variable-size partitions for allocation to processes.

• Paging: dividing memory into fixed-size blocks and allocating them to processes as needed.

• Segmentation: dividing memory into logical segments based on program structure.

• Virtual memory: using disk ...read more
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Q1. Just gave description about the jd.
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Good number of questions on permutations, english etc

Q1. What do you know about this company?
Ans. 
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 experienced developers

• Focuses on staying up-to-date with the latest technologies
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Q1. General discussion on experience
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Q1. Knowledge on SQL and how to write a query
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Q2. Knowledge on DSA and coding problems to solve.
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Q3. Knowledge on APIS (structure, security etc.)
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Q1. Oops, java8, algorithm
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30 min .. time, speed, distance

Normal easy qus via leetcode