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Dynamic refers to runtime behavior while object refers to a specific instance of a class.
Dynamic behavior is determined at runtime, while objects are instances of classes
Dynamic programming languages allow for dynamic behavior, while objects are static entities
Examples: In Python, dynamic behavior can be seen with dynamic typing, while objects are created using classes and instantiated as objects
finalize and compose are methods used in software development to manage resources and create complex objects.
finalize is a method in Java used for cleanup operations before an object is garbage collected
compose is a design pattern where objects are combined to create a more complex object
finalize is discouraged to be used in modern Java due to unpredictability
Views are virtual tables generated from a query, while temp tables are physical tables stored in tempdb for temporary use.
Views are saved queries that act as virtual tables, while temp tables are physical tables stored in tempdb.
Views are not stored physically on disk, while temp tables are stored in tempdb.
Views are used for simplifying complex queries and providing security, while temp tables are used for storin...
Indexes are data structures that improve the speed of data retrieval operations in databases.
Indexes are used to quickly locate data without having to search every row in a database table.
They are created on columns in a database table to speed up the data retrieval process.
Examples of indexes include primary keys, unique keys, and non-unique keys.
There are several types of joins in SQL, primarily used to combine records from two or more tables based on related columns.
INNER JOIN: Returns records with matching values in both tables. Example: SELECT * FROM A INNER JOIN B ON A.id = B.id;
LEFT JOIN (or LEFT OUTER JOIN): Returns all records from the left table and matched records from the right table. Example: SELECT * FROM A LEFT JOIN B ON A.id = B.id;
RIGHT JOI...
Html page starts with the <html> tag.
Html page starts with the <html> tag.
The <html> tag defines the root of an HTML document.
All other HTML elements must be nested inside the <html> tag.
I have experience using various libraries such as React, Redux, and Express in my project work.
React
Redux
Express
Yes, I am open to relocating to Kolkata for the right opportunity and to further my career in software engineering.
Kolkata has a growing tech scene with many startups and established companies.
Relocating can provide exposure to diverse projects and teams.
I am excited about the cultural experiences and networking opportunities in Kolkata.
I have researched living conditions and find them suitable for my lifestyle.
Mathematics, English
I have experience using various libraries such as React, Redux, and Express in my project work.
React
Redux
Express
I appeared for an interview before Feb 2024.
I applied via Referral and was interviewed before Dec 2023. There was 1 interview round.
I applied via Campus Placement and was interviewed before Apr 2023. There were 4 interview rounds.
Basic aptitude test with reasonings
DSA related coding probleme
Html page starts with the <html> tag.
Html page starts with the <html> tag.
The <html> tag defines the root of an HTML document.
All other HTML elements must be nested inside the <html> tag.
I applied via LinkedIn and was interviewed in Dec 2021. There were 2 interview rounds.
I applied via Recruitment Consultant and was interviewed before Sep 2020. There were 3 interview rounds.
As a Java Full Stack Developer, I design and implement web applications using Java technologies for both front-end and back-end development.
Full Stack Development: I work on both the client-side and server-side of applications, ensuring seamless integration between the two.
Java Technologies: I utilize frameworks like Spring Boot for back-end development, enabling efficient RESTful API creation.
Front-End Frameworks: I i...
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posted on 10 Nov 2015
I appeared for an interview before Oct 2020.
Round duration - 40 minutes
Round difficulty - Medium
Asked about time complexity of algorithm, puzzles, DBMS, cutting edge technologies etc. What are indexes?
Given an array of integers ARR
of size N, consisting of 0s and 1s, you need to select a sub-array and flip its bits. Your task is to return the maximum count of 1s that can b...
Given an array of 0s and 1s, find the maximum count of 1s by flipping a sub-array at most once.
Iterate through the array and keep track of the maximum count of 1s obtained by flipping a sub-array.
Consider flipping a sub-array from index i to j and calculate the count of 1s in the resulting array.
Return the maximum count of 1s obtained by flipping a sub-array at most once.
Round duration - 20 minutes
Round difficulty - Medium
Asked 1 standard algorithm
You are provided with a 2-dimensional matrix having N
rows and M
columns, containing only 1s (land) and 0s (water). Your goal is to determine the number of islands in t...
Count the number of islands in a 2D matrix of 1s and 0s.
Iterate through the matrix and perform depth-first search (DFS) to find connected 1s.
Mark visited cells to avoid redundant traversal.
Increment island count whenever a new island is encountered.
Tip 1 : prepare for competitive programming
Tip 2 : know about standard algorithm
Tip 3 : must be good with dbms
Tip 1 : must have projects, which you can explain to them
Tip 2 : have things on resume, that you are totally certain about.
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