Neumeric Technologies Interview Questions and Answers

OOPs concepts are the fundamental principles of object-oriented programming.

• Encapsulation: bundling of data and methods that operate on that data within a single unit

• Inheritance: ability of a class to inherit properties and methods from a parent class

• Polymorphism: ability of objects to take on multiple forms or have multiple behaviors

• Abstraction: hiding of complex implementation details and providing a simplified inter...read more

String is a sequence of characters. Types include immutable and mutable strings.

• String is a class in Java used to represent a sequence of characters.

• Immutable strings cannot be modified once created, while mutable strings can be modified.

• Examples of immutable strings include String literals and String objects created using the String constructor.

• Examples of mutable strings include StringBuilder and StringBuffer.

Java supports immutable strings which cannot be changed once created.

• Immutable strings are created using the String class in Java.

• Any operation that modifies a string actually creates a new string object.

• Immutable strings are thread-safe and can be safely shared among multiple threads.

• Examples of immutable strings in Java include string literals and strings created using the String constructor.

I have a comprehensive understanding of various visa types and their requirements for employment and residency.

• H-1B Visa: For skilled workers in specialty occupations, often used in tech and engineering.

• L-1 Visa: For intra-company transferees, allowing employees to work in the U.S. for a parent company.

• O-1 Visa: For individuals with extraordinary ability in their field, such as artists or scientists.

• F-1 Visa: For inter...read more

H1B transfer involves several steps, including job offer, petition filing, and approval from USCIS.

• Obtain a job offer from a new employer willing to sponsor the H1B transfer.

• The new employer files a Labor Condition Application (LCA) with the Department of Labor.

• Once the LCA is approved, the employer submits Form I-129 (Petition for a Nonimmigrant Worker) to USCIS.

• If the petition is approved, the employee can start work...read more

JMeter is a powerful tool for performance testing and load testing of applications, simulating multiple users and analyzing performance metrics.

• Load Testing: Simulates heavy loads on servers to test performance under stress, e.g., testing a web application with 1000 concurrent users.

• Performance Testing: Measures response times and throughput, helping identify bottlenecks in applications.

• Functional Testing: Validates ap...read more

Setting up a Playwright environment involves installing dependencies, creating a project, and configuring browsers.

• 1. Install Node.js: Download and install Node.js from the official website (https://nodejs.org/).

• 2. Create a new project: Use the command 'mkdir my-playwright-project && cd my-playwright-project' to create a new directory.

• 3. Initialize npm: Run 'npm init -y' to create a package.json file for your p...read more