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Infosys Public Services Software Developer Interview Questions and Answers
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I applied via YouTube and was interviewed before Jan 2023. There were 2 interview rounds.
They took the test which have questions related to reasoning, aptitude, coding and, English
(1 Question)
- Q1. They asked technical questions as well as hr questions
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I applied via Campus Placement and was interviewed in Aug 2023. There was 1 interview round.
(3 Questions)
- Q1. Difference between comparator and comparison
- Ans.
Comparator is an interface used to compare objects, while comparison is the act of comparing two or more objects.
Comparator is an interface in Java used to define custom sorting logic for objects.
Comparison is the process of evaluating the similarities and differences between two or more objects.
Comparator is used in sorting algorithms like Collections.sort() to define the sorting order.
Comparison is a general term use...
- Q2. Implement run time polymorphism
- Ans.
Run time polymorphism is achieved in object-oriented programming by using virtual functions and pointers.
Use base class with virtual functions
Create derived classes that override the virtual functions
Use pointers of base class type to store objects of derived classes
Call the virtual functions through the base class pointers to achieve polymorphism
- Q3. What is stack with an example
- Ans.
A stack is a data structure that follows the Last In First Out (LIFO) principle.
Elements are added and removed from the top of the stack.
Common operations include push (add element) and pop (remove element).
Example: Undo functionality in a text editor.
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Skills evaluated in this interview
(1 Question)
- Q1. Strecture of sql statement
- Ans.
SQL statements are used to interact with databases by performing operations like querying, updating, and deleting data.
SQL statements are made up of keywords like SELECT, INSERT, UPDATE, DELETE, etc.
They are structured in a specific order, with clauses like WHERE, ORDER BY, GROUP BY, etc.
Tables are referenced using their names, and conditions are specified to filter data.
Joins can be used to combine data from multiple
Skills evaluated in this interview
Software Developer Interview Questions & Answers
Hexaware Technologies
Kadhir Anand V
posted on 21 Mar 2024
Hexaware was came to our college placement and our placement staff gave us 3 days coding training and aptitude training and the first round round is aptitude it was a online mcq type you have to pass the aptitude inorder to attend the round 2
Coding test was based on DSA
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Software Developer Interview Questions & Answers
Virtusa Consulting Services
Pushparaj G
posted on 31 May 2022
I applied via campus placement at Siddhartha Institute of Engineering & Technology, Hyderabad and was interviewed in May 2022. There were 3 interview rounds.
Prepare the basic programming languages like Java,SQL and pseudocodes,computer fundamentals,communication.All the questions will be MCQ type of queries.
(2 Questions)
- Q1. Programming codes and core Java ,SQL related questions.If your resume has some other languages then prepare for it.Always be ready with your resume details and the subject.
- Q2. 1.What is constraints and it's types? 2.what is meant by wrapper class? 3.What is meant by string buffer? 4.Write a program to print number of count of characters in a string and remove duplicates by givin...
- Ans.
This interview includes questions related to constraints, wrapper class, string buffer, and programming.
Constraints are rules that limit the values or types of data that can be entered into a field or table. There are two types of constraints: column-level and table-level constraints.
Wrapper classes are classes that encapsulate primitive data types and provide methods to manipulate them. For example, Integer is a wrapp...
(1 Question)
- Q1. 1.Self introduction 2.why should I hire you? 3.Are u want to relocate? 4.what is the reason to join our company?
Interview Preparation Tips
- Java
- SQL
- HTML
- CSS
- Python
- C
- Javascript
- Core Java
Skills evaluated in this interview
I applied via Campus Placement and was interviewed in Apr 2022. There was 1 interview round.
(2 Questions)
- Q1. How to use design phase in software development?
- Ans.
Design phase is crucial in software development to plan and visualize the system architecture and functionality.
Identify the requirements and constraints
Create a high-level design and break it down into smaller components
Choose appropriate technologies and tools
Consider scalability, maintainability, and security
Iterate and refine the design based on feedback
Examples: UML diagrams, flowcharts, wireframes
- Q2. How to it can help in software development?
- Ans.
Collaboration tools can help in software development by improving communication, increasing productivity, and facilitating project management.
Collaboration tools like Slack, Trello, and Jira can improve communication between team members and stakeholders.
Version control systems like Git can help manage code changes and facilitate collaboration among developers.
Project management tools like Asana and Basecamp can help t...
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Skills evaluated in this interview
Software Developer Interview Questions & Answers
Sutherland Global Services
Anonymous
posted on 19 Nov 2022
I applied via Company Website and was interviewed in Oct 2022. There were 2 interview rounds.
Simple technical maths calculations,
Writing a Jawa coding in small projects
Interview Preparation Tips
- Core Java
- SQL
- C
Face to face interview
Tell about my education details
Interview Questionnaire
2 Questions
- Q1. There was a written and coding round
- Q2. There were 2 technical rounds.
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Interview Questionnaire
3 Questions
- Q1. Difference between inner join and outer join
- Ans.
Inner join returns only matching rows from both tables while outer join returns all rows from one table and matching rows from the other.
Inner join is used to combine data from two tables based on a common column.
Outer join is used to combine data from two tables where one table may not have matching rows in the other.
There are three types of outer join: left outer join, right outer join, and full outer join.
Left outer...
- Q2. What is abstract class
- Ans.
An abstract class is a class that cannot be instantiated and is used as a base class for other classes.
An abstract class can have abstract and non-abstract methods.
Abstract methods have no implementation and must be implemented by the derived class.
An abstract class can have constructors and fields.
An abstract class can be used to define a common interface for a group of related classes.
Example: Animal is an abstract c...
- Q3. What is normalization and difference between 3NF and BCNF
- Ans.
Normalization is a process of organizing data in a database to reduce redundancy and dependency.
Normalization is used to eliminate data redundancy and dependency.
3NF (Third Normal Form) eliminates transitive dependencies while BCNF (Boyce-Codd Normal Form) eliminates partial dependencies.
3NF is a subset of BCNF.
Normalization helps in improving data consistency and integrity.
Normalization can also improve database perfo
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Aug 2020. There were 5 interview rounds.
Interview Questionnaire
3 Questions
- Q1. Aws vpc gateway questions, devops drawback
- Q2. Interfaces in oops
- Ans.
Interfaces define a contract for classes to implement certain methods and properties.
Interfaces allow for polymorphism and loose coupling.
Classes can implement multiple interfaces.
Interfaces cannot be instantiated on their own.
Interfaces can have default method implementations.
Interfaces can be used to enforce design patterns like the adapter pattern.
- Q3. Meta programing
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