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InfoAxon Technologies
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I applied via campus placement at Maharishi Dayanand University (MDU), Rohtak and was interviewed before May 2020. There were 4 interview rounds.
HashMap is a data structure that stores key-value pairs and provides constant time complexity for basic operations.
HashMap uses hashing to store and retrieve values based on their keys.
It allows null values and one null key.
Collisions are resolved by chaining or open addressing.
The initial capacity and load factor can be specified during initialization.
The internal array is resized when the load factor exceeds a thresh...
StringBuffer is synchronized while StringBuilder is not.
StringBuffer is thread-safe while StringBuilder is not.
StringBuffer is slower than StringBuilder due to synchronization.
StringBuilder is preferred for single-threaded operations.
Both classes are used for manipulating strings.
Example: StringBuffer sb = new StringBuffer(); StringBuilder sb = new StringBuilder();
The entry point of a Java program, must be public, static, void and accept an array of strings as argument.
public: accessible from anywhere in the program
static: belongs to the class, not to an instance of the class
void: does not return any value
main: the name of the method that serves as the entry point of the program
String[] args: an array of strings that can be used to pass arguments to the program
A thread is a lightweight process that can run concurrently with other threads within a program.
Threads share the same memory space as the parent process.
Threads can communicate with each other through shared memory.
Threads can be created and managed using threading libraries in programming languages like Java and Python.
Encapsulation is the process of hiding implementation details and exposing only necessary information.
Encapsulation is achieved through access modifiers like public, private, and protected.
It helps in achieving data abstraction and information hiding.
It prevents unauthorized access to the internal details of an object.
Example: A class with private variables and public methods to access those variables.
Example: A capsul...
Fill ratio is the percentage of array slots that are occupied by elements. Concurrency level is the estimated number of concurrently updating threads.
Fill ratio is important for performance optimization and memory usage.
Concurrency level determines the number of segments in the collection.
Higher concurrency level can improve performance but also increases memory usage.
Examples of concurrent collection frameworks includ
Top trending discussions
Test scenarios, regression sanity and integration testing
posted on 26 Aug 2024
I applied via Walk-in and was interviewed before Aug 2023. There were 3 interview rounds.
HR discussed the salary details
I am not comfortable disclosing my previous salary.
It is not appropriate to discuss previous salary in an interview setting.
Focus on the value I can bring to the company in this role.
Salary expectations can be discussed during the negotiation phase.
Salary expectations are based on experience, skills, location, and industry standards.
Consider factors like years of experience, relevant skills, industry standards, and location when determining salary expectations.
Research average salaries for Senior Test Engineers in your area to get an idea of the market rate.
Be prepared to negotiate based on your qualifications and the company's budget.
Provide a salary range rathe...
posted on 24 Oct 2023
I applied via Approached by Company and was interviewed before Oct 2022. There were 3 interview rounds.
Find duplicate items in array of strings.
Iterate through array and store each item in a hash set.
If item already exists in hash set, it is a duplicate.
posted on 4 Feb 2022
posted on 18 Aug 2021
I applied via Naukri.com and was interviewed in Jul 2021. There were 4 interview rounds.
posted on 18 Aug 2021
Some of the top questions asked at the InfoAxon Technologies Senior Engineer interview -
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