Eilisys Technologies Software Engineer Interview Questions and Answers

In the coding test two sum question was asked

Easy to moderate question

Q1. What is Axios? What is friend function? Given any array find the multiple elements?
Ans. 
Axios is a popular JavaScript library used for making HTTP requests.
• Axios is commonly used in frontend applications to communicate with backend servers.

• It supports promises and can be used in both browser and Node.js environments.

• Example: axios.get('https://api.example.com/data')

• Friend function is a function that is not a member of a class but has access to its private and protected members.

• It is declared with the keyw...read more
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Basic java questions

Q1. Explain Linked list implementation and stack
Ans. 
Linked list is a data structure where each element points to the next element. Stack is a data structure that follows Last In First Out (LIFO) principle.
• Linked list implementation involves creating nodes with data and a pointer to the next node.

• Stack implementation involves pushing elements onto the stack and popping them off in reverse order.

• Example: Linked list - 1 -> 2 -> 3 -> NULL, Stack - push(1), push(2), push(3)
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Q2. Oops concepts in java
Ans. 
Oops concepts in Java refer to Object-Oriented Programming principles like Inheritance, Encapsulation, Polymorphism, and Abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability of a method to do different things based on the object it is acting upon.

• Abstraction: Hiding the imp...read more
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Aptitude + Coding Test. 27 basic Aptitude problems and 3 problem solving questions.

Q1. Technical Round 1 has questions based on databases. NoSql will be + point. UI technologies and basic data structures.
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Q1. Technical Round 2, follow-up from round 1. Some more questions on databases
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Q1. Core java Java script Servlet jsp
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Q1. Servlet and jsp
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Q1. Salary discussion
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Q1. Questions on IOT and related
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Questions mainly from Linked list.

Q1. Basically coding round, with basic questions from arrays. One needs to have good communication skills to explain to interviewers.
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Questions from ratio and proportion, ship problems, profit and loss, time and work, problem of ages

It is a writing plus coding round. Two sections of writing with word count of 200 and 350 words. Coding section consists of 3 questions mostly based on for 1.5 hr.