Apexon Interview Questions, Process, and Tips for Experienced

Q1. Difference between composition and aggregation
Ans. 
Composition is a strong relationship where the child object does not exist independently of the parent object, while aggregation is a weak relationship where the child object can exist independently of the parent object.
• Composition is a 'has-a' relationship, where the child object is part of the parent object.

• Aggregation is a 'has-a' relationship, where the child object is not part of the parent object and can exist in...read more
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Q1. Some basic Javascript questions. like async, await , event loop, es6 changes, call, bind, apply methods, some react basic questions like hooks , performance optimization techniques,
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Q2. Build a feature in which i have to apply an api data to the react component and show the data on screen.
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Q1. Questions related to react application performance optimization in detail with clearing every aspects.
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Q2. Explain redux implementation and its applications
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Q3. Some basic node js question like how to send data with tokens, password verifications
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Q1. What is velocity
Ans. 
Velocity is the rate of change of an object's position with respect to a frame of reference, typically measured in meters per second.
• Velocity is a vector quantity, meaning it has both magnitude and direction.

• It is calculated as the displacement of an object divided by the time taken to cover that displacement.

• For example, if a car travels 100 meters in 10 seconds, its velocity is 10 m/s in the direction of travel.
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Q2. What is test bed
Ans. 
A test bed is a platform or environment used to conduct testing of software or hardware.
• Test bed is a controlled environment where tests can be conducted.

• It may include hardware, software, network configurations, and other necessary components.

• Test beds are used to simulate real-world scenarios for testing purposes.

• Examples of test beds include virtual machines, physical devices, and cloud-based testing platforms.
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Asked some basic level questions

Asked little bit hard questions

Asked depth questions and wrote some sample programs

Q1. Wrote some sample program
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Q1. Salary discussion
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Q1. As a fresher, Explain OOPS, Difference between Abstraction and Interface,
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Q2. How can we handle Exception in java?
Ans. 
Exceptions in Java can be handled using try-catch blocks and throwing exceptions.
• Use try-catch blocks to handle exceptions in Java.

• Catch specific exceptions using multiple catch blocks.

• Use finally block to execute code regardless of exception.

• Throw custom exceptions using throw keyword.

• Use throws keyword in method signature to declare exceptions that can be thrown.
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Q3. SQL Queries asked like 2nd highest salary of Employee
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Q1. Introduce yourself
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Q2. Hobbies and where you want to see you in 5 Years.
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Q1. Linear search how to find algorithm
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