Witzeal Technologies Interview Questions and Answers

Q1. Introduction about my self
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Q2. About the job role
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Q3. One on one with manager
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Q4. Salary discussion
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There were questions of basic aptitude

Q1. Introduce yourself
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Q2. About my projects
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Q3. What is Radix sort
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Radix sort is a non-comparative sorting algorithm that sorts integers by processing individual digits.
• Radix sort works by sorting numbers based on each digit's value, starting from the least significant digit to the most significant digit.

• It can be implemented using counting sort or bucket sort as a subroutine.

• Radix sort is efficient for sorting integers with a fixed number of digits, like phone numbers or social secur
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Coding related to java collections

Q1. Familiar with Design patterns ?explain few
Ans. 
Design patterns are reusable solutions to common problems in software design.
• Design patterns help in creating maintainable and scalable code.

• Examples of design patterns include Singleton, Factory, Observer, and Strategy.

• Singleton pattern ensures a class has only one instance and provides a global point of access to it.

• Factory pattern creates objects without specifying the exact class of object that will be created.

• Obse...read more
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Q2. What is Mutilthreading,explain with examples
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Multithreading is the ability of a CPU to execute multiple threads concurrently, allowing for improved performance and responsiveness.
• Multithreading allows multiple tasks to be executed simultaneously on a single CPU.

• Each thread has its own stack and program counter, but shares the same memory space.

• Examples include running multiple processes in a web server, handling user input while performing background tasks, and p
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Q1. Explain about react guard
Ans. 
React guard is a higher-order component used to restrict access to certain routes in a React application.
• React guard is used for implementing authentication and authorization in React applications.

• It can be used to prevent unauthorized users from accessing certain routes.

• React guard can redirect users to a login page if they are not authenticated.

• It can also be used to restrict access based on user roles or permissions
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Q2. Use of the axios interceptor
Ans. 
Axios interceptors are used to globally handle HTTP requests and responses in an application.
• Interceptors can be used to add headers, handle errors, or modify requests before they are sent.

• Example: Adding a token to all outgoing requests for authentication.

• Example: Logging all incoming responses for debugging purposes.
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Q1. Probability question
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Q2. Baseball game, ticket pricing
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Q1. Asked about the react and UI elements like charts, and layouts. etc
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One hour aptitude test based on the mathematics ,logical reasoning.

Q1. One basic question on the language you know and one SQL is asked
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Q2. SQL query questions
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