Amnex Infotechnologies Senior Software Engineer and Lead Interview Questions and Answers

Round 1: DSA round asked Two DSA question in which one is Leetcode medium and another is leetcode Hard. I answer both of them but not selected in the further HR round.

Round 2: HR round

Q1. What is your name
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Q2. What is your strength
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30 questions - aptitude+DSA +Java+Sql MCQ Questions

3 codes are given
1)if number is divisible by 15 then print "Foo" ,if number is divisible by 17 then print "bar" ,
if number is divisible by 15 and 17 then print "Foo Bar"
2) find third largest element of array
3)find factors of number

Q1. Explain Access modifiers public and default difference how to connect java to database 20 % of 25 superclass of all class sql query for delete last 10 rows from employee table
Ans. 
Access modifiers control the visibility and accessibility of classes, methods, and variables in Java.
• public access modifier allows a class, method, or variable to be accessed from any other class.

• default access modifier (no keyword) allows a class, method, or variable to be accessed only within the same package.

• To connect Java to a database, you can use JDBC (Java Database Connectivity) API.

• The superclass of all classe...read more
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Q1. Why you want join our company
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Q2. Why should hire you?
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Q1. What is four pillars of oops concepts
Ans. 
Encapsulation, Inheritance, Polymorphism, Abstraction
• Encapsulation: Bundling data and methods that operate on the data into a single unit

• Inheritance: Ability of a class to inherit properties and behavior from another class

• Polymorphism: Ability to present the same interface for different data types

• Abstraction: Hiding the complex implementation details and showing only the necessary features
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Q2. Different between array and collection
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Arrays are fixed in size and store elements of the same data type, while collections are dynamic in size and can store elements of different data types.
• Arrays have a fixed size, while collections can dynamically resize.

• Arrays store elements of the same data type, while collections can store elements of different data types.

• Arrays use indexes to access elements, while collections use iterators or other methods.

• Examples:...read more
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DSA coding 2-3 question

Java, DSA coding, java 8 coding, multithreading

Java8, spring-boot, DSA coding

Q1. DSA coding, java 8 coding, spring boot, mysql
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Q1. Coding Round, Design Pattern
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Q1. Coding, Design Pattern
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Q1. Coding, SOLID, System Design
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There are Verbal, logical reasoning, quantitative, coding questions (2 Qtns) and a descriptive essay on "How you used the pendamic duration for study" ( Minimum 200 words) required. And coding questions are DSA Medium level one was: " Find the maximum profit percentage during the buy and sell of stock of a company. ". Verbal round was mostly (4 -5 questions) on make meaning full sentence. All the first round test was conducted on "Xobin online test" platform.

Q1. There are two questions available 1. Write a business solution, technical solution using frontend or back-end technology to overcome the problem a) There is a new metro started in your city but the proble...read more
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Q2. 2nd question was find solution for dynamic seat booking and price change during booking of ticket for a cinema hall.
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Q1. Some questions on DSA like difference between merge sort and bubble sort. Sort available alphabets in a string array from vowel to consonant. In HR round HR will ask about your background and career then a...read more
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