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Hashmap is a data structure that stores key-value pairs and allows for fast retrieval of values based on keys.
Hashmap uses a hashing function to map keys to indices in an array.
It allows for constant time complexity O(1) for insertion, deletion, and retrieval operations.
Example: HashMap
String is immutable, while StringBuffer is mutable in Java.
String is immutable, meaning once created, it cannot be changed. StringBuffer is mutable and can be modified.
StringBuffer is synchronized, making it thread-safe. String is not synchronized.
StringBuffer is more efficient for concatenating multiple strings due to its mutable nature.
Example: String str = "Hello"; StringBuffer sb = new StringBuffer("Hello");
I applied via Recruitment Consulltant and was interviewed in Oct 2023. There were 2 interview rounds.
Find Arrays in prime numbers and sorting arrays
I applied via Campus Placement and was interviewed in Dec 2024. There were 3 interview rounds.
Hackathon on chatbot development website
General aptitude online test
I have experience working on various projects including web development, mobile app development, and database management.
Developed a web application using React.js and Node.js for a client in the e-commerce industry
Created a mobile app using Swift for a healthcare startup to track patient data
Managed a MySQL database for a financial services company to store and retrieve customer information
Prev job work and project details , roles and responsibility
SDLC process is a structured approach to software development that defines tasks performed at each stage of the software development life cycle.
SDLC stands for Software Development Life Cycle
It includes stages like planning, analysis, design, implementation, testing, and maintenance
Each stage has specific goals and deliverables to ensure the quality and success of the software project
ASP.NET stands for Active Server Pages .NET, a web application framework developed by Microsoft.
ASP.NET is a server-side web application framework used for building dynamic web pages and web applications.
It allows developers to create web applications using languages like C# or VB.NET.
ASP.NET provides tools and libraries for building web forms, MVC (Model-View-Controller) applications, and Web API services.
It is part o...
DSA questions and programming concepts
Reverse array of strings efficiently
Use two pointers approach to swap characters from start and end of each string
Optimize by using in-place reversal instead of creating new strings
Consider edge cases like empty strings or strings with only one character
posted on 21 Oct 2024
A concrete class is a class that can be instantiated, meaning it can be used to create objects.
Cannot be abstract
Can be instantiated
Can have concrete methods and properties
Example: class Car {}
posted on 11 Sep 2024
Simulink is a graphical programming environment for modeling, simulating and analyzing multidomain dynamical systems.
Simulink is a tool used for modeling and simulating dynamic systems.
It is widely used in industries such as automotive, aerospace, and robotics.
Simulink allows users to create block diagrams to represent systems and simulate their behavior.
It is often used in conjunction with MATLAB for system design and
posted on 13 Dec 2024
posted on 9 Aug 2024
SDLC process test involves testing the software at various stages of the software development life cycle.
Testing is done at each stage of SDLC - requirements, design, implementation, and maintenance.
It helps in identifying defects early in the development process.
Types of testing include unit testing, integration testing, system testing, and acceptance testing.
Testing ensures that the software meets the specified requi...
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