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I applied via Campus Placement and was interviewed in Jun 2021. There were 5 interview rounds.
BFS and DFS are traversal algorithms used in graphs and trees.
BFS stands for Breadth First Search and explores the graph level by level.
DFS stands for Depth First Search and explores the graph by going as deep as possible before backtracking.
BFS uses a queue data structure while DFS uses a stack or recursion.
BFS is useful for finding the shortest path while DFS is useful for finding all possible paths or cycles.
BFS has...
Joins in SQL are used to combine data from two or more tables based on a related column between them.
Joins are used to retrieve data from multiple tables in a single query.
There are different types of joins such as INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL OUTER JOIN.
The columns used to join the tables must have the same data type and name.
Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.colu
Query to find second largest salary of an employee.
Use ORDER BY and LIMIT to sort and select the second highest salary.
Assuming table name as 'employees' and salary column name as 'salary'.
SELECT salary FROM employees ORDER BY salary DESC LIMIT 1,1;
Abstract class can have implementation while interface cannot. A class can implement multiple interfaces but can only inherit from one abstract class.
Abstract class can have constructors while interface cannot.
Abstract class can have non-abstract methods while interface can only have abstract methods.
Abstract class can have instance variables while interface cannot.
A class implementing an interface must implement all i...
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I applied via Recruitment Consultant and was interviewed in May 2021. There was 1 interview round.
Git module is a software tool that allows for version control and collaboration on code projects.
Git module is a version control system used for tracking changes in code files.
It allows multiple developers to work on the same project simultaneously.
Git module helps in managing different versions of code and merging changes from different branches.
Common git commands include git clone, git add, git commit, git push, and...
I applied via Naukri.com and was interviewed in Jul 2022. There was 1 interview round.
posted on 25 Jul 2024
My name is John Smith.
Full name is John Smith
Common first and last name
No middle name
I am a software engineer with 5 years of experience in developing web applications using Java, Spring, and Angular.
5 years of experience in software development
Proficient in Java, Spring, and Angular
Strong problem-solving skills
Experience in developing web applications
posted on 3 Jun 2022
I applied via Naukri.com and was interviewed before Jun 2021. There was 1 interview round.
posted on 28 Sep 2023
I applied via Job Portal
Binary search is a divide and conquer algorithm that efficiently finds the target value within a sorted array.
Start by defining the low and high indices of the array.
Calculate the middle index and compare the target value with the middle element.
If the target value is less than the middle element, search the left subarray. If greater, search the right subarray.
Repeat the process until the target value is found or the s
CI/CD flow stands for Continuous Integration/Continuous Deployment flow, which is a software development practice where code changes are automatically built, tested, and deployed.
CI/CD flow involves automating the process of integrating code changes into a shared repository, running automated tests, and deploying the changes to production.
Continuous Integration (CI) focuses on automating the build and testing of code c...
Enums are a feature in programming languages that allow you to define a set of named constants.
Enums can be used to improve code readability by giving meaningful names to values
Enums can be used in switch statements to handle different cases
Enums can have associated values or raw values for more flexibility
Yes, Singleton handles synchronization by ensuring only one instance of a class is created and providing global access to that instance.
Singleton pattern restricts the instantiation of a class to one object.
It provides a global point of access to the instance.
Synchronization can be implemented in the Singleton pattern to ensure thread safety.
Example: Singleton pattern is commonly used in database connections to ensure
External libraries are pre-written code that can be imported and used in a project to provide additional functionality.
External libraries help in reducing development time by providing ready-made solutions for common tasks.
Examples include React for front-end development, NumPy for scientific computing in Python, and Retrofit for making network calls in Android apps.
I was interviewed in Nov 2023.
The name of the client is the entity or organization that is receiving the software engineering services.
Client name is typically a company or individual who has requested the development of a software product.
It is important to maintain confidentiality and professionalism when discussing client names.
Examples of client names could be Google, Microsoft, Apple, etc.
I applied via Recruitment Consultant and was interviewed in May 2021. There were 4 interview rounds.
Redux is a predictable state container for JavaScript apps.
Actions are dispatched to the store
Reducers update the state based on the action
Components subscribe to the store to get updated state
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