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Navikenz India
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I applied via Approached by Company and was interviewed before Mar 2023. There was 1 interview round.
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I applied via LinkedIn and was interviewed in Mar 2021. There were 5 interview rounds.
Questions related to database and object-oriented programming concepts.
Joins are used to combine data from two or more tables based on a related column.
Normalization is the process of organizing data in a database to reduce redundancy and improve data integrity.
OOPs pillars are Abstraction, Encapsulation, Inheritance, and Polymorphism.
An array is a collection of elements of the same data type stored in contiguous memory locations.
Arrays can be one-dimensional or multi-dimensional
Elements in an array can be accessed using their index
Arrays can be initialized during declaration or later in the code
Arrays can be passed as arguments to functions
Common array operations include sorting and searching
posted on 18 Apr 2024
Java 8 introduced several new features including 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 work with sequences of elements and perform aggregate operations.
Default methods allow interfaces to have ...
I applied via Campus Placement and was interviewed in May 2024. There were 4 interview rounds.
70 questions in 90 minutes with 7 sections
Developed a web application for tracking project progress and managing tasks
Used React.js for front-end development
Implemented RESTful APIs using Node.js and Express for back-end
Utilized MongoDB for database storage
Incorporated authentication and authorization features for user security
To find the second highest salary in a table, you can use a SQL query with the MAX() function and a subquery.
Use a SQL query to select the MAX() salary from the table.
Use a subquery to select the MAX() salary that is less than the overall MAX() salary.
Combine both queries to get the second highest salary.
Indexing is a technique used to optimize the performance of databases by creating a data structure that allows for quick retrieval of data.
Indexing involves creating a data structure that maps the values of specific columns in a database table to their physical location on disk.
It helps in speeding up data retrieval operations by allowing the database to quickly locate the rows that match a certain condition.
Examples o...
I am a passionate software developer with experience in Java, Python, and web development.
Experienced in Java, Python, and web development technologies
Strong problem-solving skills
Team player with excellent communication skills
Developed a web application for tracking project progress and managing tasks
Used React.js for front-end development
Implemented RESTful APIs using Node.js and Express for back-end
Utilized MongoDB for database storage
Incorporated authentication and authorization features for user security
Truncate is a DDL command that removes all records from a table, while delete is a DML command that removes specific records.
Truncate is faster than delete as it does not log individual row deletions.
Truncate resets the identity seed of the table, while delete does not.
Truncate cannot be rolled back, while delete can be rolled back using a transaction.
Truncate does not fire triggers, while delete does.
In 5 years, I see myself as a senior software developer leading a team and working on cutting-edge technologies.
Leading a team of developers on innovative projects
Continuing to enhance my technical skills and knowledge
Contributing to the growth and success of the company
Possibly pursuing further education or certifications in software development
posted on 24 Feb 2024
posted on 28 May 2024
I applied via Naukri.com and was interviewed in Aug 2023. There were 3 interview rounds.
Basic coding test with latest java tech stack
I applied via Referral and was interviewed in Oct 2023. There were 5 interview rounds.
Some resoning questions and time and work , percentage, numbering, relationship que
OOP concepts in Java involve encapsulation, inheritance, polymorphism, and abstraction. Collections in Java are used to store and manipulate groups of objects.
Encapsulation: Bundling data and methods that operate on the data into a single unit (class).
Inheritance: Allows a class to inherit properties and behavior from another class.
Polymorphism: Ability to present the same interface for different data types.
Abstraction...
Mcq of java launguage
I applied via Recruitment Consulltant and was interviewed in Apr 2024. There were 2 interview rounds.
Java 8 introduced several new features including 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 method imple...
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