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Netwin Systems & Software Interview Questions, Process, and Tips
Top Netwin Systems & Software Interview Questions and Answers
- Q1. How can we create object of class of private constructor?asked in Java Developer interview
- Q2. Can we make constructor private ?asked in Java Developer interview
- Q3. How can you secure apiasked in Java Developer interview
Netwin Systems & Software Interview Experiences
3 interviews found
Anonymous
I applied via Naukri.com and was interviewed in Aug 2023. There was 1 interview round.
(4 Questions)
- Q1. Can we make constructor private ?
- Ans.
Yes, we can make a constructor private in Java.
Private constructors are used to prevent instantiation of a class from outside the class itself.
Private constructors are commonly used in singleton design pattern.
Private constructors can be used in utility classes where all methods are static and no instance creation is needed.
- Q2. How can we create object of class of private constructor?
- Ans.
You can create an object of a class with a private constructor by using a static method within the class.
Create a static method within the class that returns an instance of the class.
Call the static method to create an object of the class.
- Q3. How can you secure api
- Ans.
Securing an API involves using authentication, authorization, encryption, and input validation.
Use authentication methods like OAuth, JWT, or API keys to verify the identity of clients accessing the API.
Implement authorization to control what actions different users can perform within the API.
Encrypt data transmission using HTTPS to protect sensitive information from being intercepted.
Validate and sanitize input data t...
- Q4. What is Have clause?
- Ans.
HAVING clause is used in SQL to filter the results of a GROUP BY clause.
Used with GROUP BY to filter grouped results
Filters rows after grouping
Similar to WHERE clause but operates on grouped data
Interview Preparation Tips
- Core Java
- Spring Boot
Skills evaluated in this interview
Java Developer Interview Questions asked at other Companies
Sakshi Agrawal
Selected
I applied via Campus Placement and was interviewed before Nov 2023. There was 1 interview round.
(5 Questions)
- Q1. Multithreading from python and asked some codes to perform
- Q2. SQL ,JOINS,AUTHENTICATION,
- Q3. Basic coding questions
- Q4. Swapping numbers code
- Q5. Mostly focus on sql and oracle
Intern Interview Questions asked at other Companies
I applied via Campus Placement and was interviewed in Feb 2021. There were 6 interview rounds.
Interview Questionnaire
9 Questions
- Q1. Puzzles
- Q2. SQL queries
- Q3. Non aggregate functions in sql
- Ans.
Non-aggregate functions in SQL are used to manipulate individual data values.
Non-aggregate functions operate on individual data values, rather than groups of values.
Examples include string functions (e.g. CONCAT, SUBSTRING), date functions (e.g. DATEADD, DATEDIFF), and mathematical functions (e.g. ABS, ROUND).
These functions can be used in SELECT, WHERE, and ORDER BY clauses to manipulate data.
Non-aggregate functions c...
- Q4. SQL query to fetch first 10 rows from the table
- Ans.
SQL query to fetch first 10 rows from the table
Use SELECT statement
Add LIMIT clause with 10 as argument
Optionally, use ORDER BY clause for specific order
- Q5. HR questions
- Q6. Where do you see yourself in next 5 years
- Q7. C++ concepts
- Q8. About project
- Q9. Why we hire you?
Interview Preparation Tips
Skills evaluated in this interview
Software Engineer Interview Questions asked at other Companies
Jobs at Netwin Systems & Software
Top trending discussions
Interview questions from similar companies
I applied via Company Website and was interviewed before Dec 2020. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. Questions on Java,SQL,some trending technologies(IOT,Big data),pattern questions, programming questions with different approaches.
Interview Preparation Tips
I applied via Referral and was interviewed before Jan 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Java questions
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Feb 2021. There were 3 interview rounds.
Aptitude round consists Logical reasoning, General Aptitude, Grammar related questions etc. All are moderate level questions.
(3 Questions)
- Q1. Explain OOPs w.r.t Java
- Ans.
OOPs is a programming paradigm that uses objects to represent real-world entities. Java is an OOPs language.
OOPs stands for Object-Oriented Programming System
Java is a class-based OOPs language
Encapsulation, Inheritance, Polymorphism, and Abstraction are the four pillars of OOPs
Objects have state and behavior
Java supports interfaces, which allow for multiple inheritance
Example: A car can be represented as an object wit...
- Q2. Explain about the projects that you have worked on
- Q3. Explain how Java solves machine dependency of code execution
- Ans.
Java solves machine dependency by using bytecode and virtual machine.
Java code is compiled into bytecode which is platform-independent
The bytecode is executed by the Java Virtual Machine (JVM) which is platform-specific
JVM translates bytecode into machine code for the specific platform
This allows Java code to run on any platform with a JVM installed
Example: A Java program compiled on Windows can run on Linux or Mac as
(2 Questions)
- Q1. Why should we hire you?
- Q2. Tell me about yourself.
Interview Preparation Tips
- Java
Skills evaluated in this interview
I applied via Campus Placement and was interviewed before May 2021. There were 2 interview rounds.
Numerical ability and logical reasoning followed by some coding mcqs
(1 Question)
- Q1. Print 1 to 100 without for loop
- Ans.
Printing 1 to 100 without for loop
Use recursion to print numbers from 1 to 99
Print 100 outside the recursion
Use a base case to stop recursion at 100
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Jun 2021. There were 2 interview rounds.
Simple aptitude test
(1 Question)
- Q1. General questions as per your cv
Interview Preparation Tips
- Aptitude
I applied via Company Website and was interviewed before Jul 2021. There were 2 interview rounds.
Attended the codevita competition in final year of college.
(3 Questions)
- Q1. About College Project
- Q2. Some very basics of java
- Q3. Experience of college project as a team
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Aug 2021. There were 2 interview rounds.
It was a basic aptitude test.
(1 Question)
- Q1. Interview was fine. Mostly asked about my final year project.
Interview Preparation Tips
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