EXL Service Full Stack Developer Interview Questions and Answers

Q1. Components hirerchy
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Q2. Linq query to get 2nd most price good
Ans. 
Use Linq query to find the 2nd most expensive item in a list of goods.
• Use OrderByDescending() to sort the goods by price

• Use Skip(1) to skip the most expensive item

• Use First() to get the 2nd most expensive item
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Q1. Tell me about yourself
Ans. 
I am a software developer with 5 years of experience in developing web applications using Java, JavaScript, and SQL.
• 5 years of experience in software development

• Proficient in Java, JavaScript, and SQL

• Developed web applications for various clients

• Strong problem-solving skills

• Excellent team player
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Q2. What is your roles and responsibilities
Ans. 
As a Software Developer, my roles and responsibilities include designing, developing, testing, and maintaining software applications.
• Designing and developing software applications based on client requirements

• Testing and debugging code to ensure functionality and performance

• Collaborating with team members to brainstorm and implement new features

• Maintaining and updating existing software applications

• Staying up-to-date wi
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Q3. Explain about bug lifecycle
Ans. 
Bug lifecycle involves identification, reporting, fixing, retesting, and closing of software bugs.
• Identification: Bug is identified by testers or users through testing or real-world usage.

• Reporting: Bug is reported to developers with detailed information like steps to reproduce.

• Fixing: Developers analyze and fix the bug in the code.

• Retesting: Testers verify the fix to ensure the bug is resolved.

• Closing: Bug is closed o
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Q1. Case study with the topic provided
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Q2. Questions on the resume
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Q1. Uikit explaination
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Q2. Model classes with uikit
Ans. 
Model classes in UIKit are used to represent data in an application's user interface.
• Model classes in UIKit typically subclass NSObject and are used to store and manage data for views.

• They can include properties to represent different data fields, methods to manipulate the data, and sometimes protocols for delegation.

• For example, a model class for a user profile in a social media app might have properties like username...read more
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Project related questions

Apt + coding questions, medium difficulty

Q1. Basics qs on oops and known programming language
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Q1. In-depth of oops and live coding questions
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Q1. Basics qs like y and what
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Logical and reasoning, Maths

Basic coding Java & C

Q1. Array and types
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Q2. Inheritance & OOPS
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Basic coding questions And logical questions

Simple program for mathematics

Q1. Given the start and end times of the meetings, how can you determine if you are able to attend all of them?
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Aptitude Test + Technical Questions + One Coding Question

Q1. Detect the loop in a Singly linked list
Ans. 
Detect loop in a singly linked list
• Use two pointers, one moving one step at a time and the other moving two steps at a time

• If there is a loop, the two pointers will eventually meet

• If any of the pointers reach the end of the list, there is no loop
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Q2. 2 Sum (find a pair of numbers that sums up to a target)
Ans. 
The 2 Sum problem involves finding a pair of numbers in an array that adds up to a given target.
• Use a hash table to store the complement of each number as you iterate through the array.

• Check if the current number's complement exists in the hash table.

• If found, return the indices of the two numbers.

• If no pair is found, return an empty array.
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