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Peel-works Interview Questions and Answers for Freshers
Peel-works Interview Experiences for Freshers
1 interview found
Anonymous
I applied via Naukri.com and was interviewed before Sep 2021. There were 3 interview rounds.
(4 Questions)
- Q1. The internal implementation of HashMap.
- Ans.
HashMap is a data structure that stores key-value pairs and uses hashing to retrieve values.
HashMap uses an array of linked lists to store key-value pairs
The hash code of the key is used to determine the index of the array
If multiple keys have the same hash code, they are stored in the same linked list
HashMap uses load factor to determine when to resize the array
The default load factor is 0.75
HashMap allows null keys a
- Q2. The internal implementation of HashSet. We only put value in HashSet then how HashSet internally uses HashMap.
- Q3. What is the difference between HashMap and HashSet?
- Ans.
HashMap is a key-value pair collection while HashSet is a set of unique elements.
HashMap allows duplicate values but not duplicate keys
HashSet does not allow duplicate values
HashMap implements Map interface while HashSet implements Set interface
HashMap uses put() method to add elements while HashSet uses add() method
Example: HashMap<String, Integer> map = new HashMap<>(); HashSet<String> set = new Has
- Q4. What is the difference between Local Variable, static variable, and instance variable?
- Ans.
Local, static, and instance variables differ in their scope and lifetime.
Local variables are declared inside a method and have a limited scope.
Static variables belong to the class and are shared among all instances.
Instance variables are unique to each object and can be accessed using the object reference.
Write a java program to convert numbers to strings.
for example:
10: TEN,
1559: One Thousand Five Hundred Fifty Nine.
(1 Question)
- Q1. Only Salary discussion
Interview Preparation Tips
- Core Java
- SQL
- JDBC
- Java Servlets
- Framework
Skills evaluated in this interview
Java Developer Interview Questions asked at other Companies
Top trending discussions
Interview questions from similar companies
(2 Questions)
- Q1. Introduce Yourself
- Ans.
I am a data analyst with a background in statistics and experience in analyzing large datasets to drive business decisions.
Graduated with a degree in Statistics
Proficient in data analysis tools such as Python, R, and SQL
Experience in creating visualizations to communicate insights
Strong problem-solving skills
- Q2. Skills you have
Selected
I applied via Referral and was interviewed in Aug 2024. There were 3 interview rounds.
Good communication skills
Understanding topics
(2 Questions)
- Q1. Why you are good fit the job?
- Ans.
I have a strong background in data analysis, with experience in utilizing various tools and techniques to derive insights from data.
Extensive experience in data analysis
Proficient in using tools like SQL, Python, and Tableau
Strong problem-solving skills
Ability to communicate complex findings to non-technical stakeholders
- Q2. What is the salary expectation?
- Ans.
Salary expectations are based on experience, skills, location, and industry standards.
Consider factors like your experience, skills, education, location, and the industry norms when determining your salary expectation.
Research the average salary range for Data Analysts in your area and industry to have a realistic expectation.
Be prepared to negotiate based on the job responsibilities and benefits offered by the employe
Interview Preparation Tips
Selected
I applied via Approached by Company and was interviewed before Jan 2022. There were 3 interview rounds.
(4 Questions)
- Q1. Technical skills required. Some questions of programming languages are asked.
- Q2. What are the SQL command groups?
- Ans.
SQL command groups are DDL, DML, DCL, and TCL.
DDL (Data Definition Language) - used to define database schema and structure
DML (Data Manipulation Language) - used to manipulate data stored in the database
DCL (Data Control Language) - used to control access to data stored in the database
TCL (Transaction Control Language) - used to manage transactions in the database
Examples: CREATE, ALTER, DROP (DDL); SELECT, INSERT, UP...
- Q3. Explain Object Oriented Programming in Python?
- Ans.
Object Oriented Programming is a programming paradigm that uses objects to represent real-world entities.
Python supports OOP concepts such as encapsulation, inheritance, and polymorphism.
Classes are used to create objects, which have attributes and methods.
Inheritance allows for the creation of subclasses that inherit properties and methods from a parent class.
Polymorphism allows for the use of a single method or funct...
- Q4. VLookup, Hlookup, Pivot Table in Excel
You will be asked to share the screen and write the codes as asked.
Interview Preparation Tips
Work environment is fantastic..
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Jun 2020. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. About projects
Interview Preparation Tips
Fingent has got a good number of people in the interview panel(my personal experience)
Even if you do not know the answer, the panel will explain it to you.
I appeared for an interview before Jan 2021.
Interview Questionnaire
2 Questions
- Q1. Basic analysis questions
- Q2. Excel Based analysis as it was a entry-level position
Interview Preparation Tips
Read about the interviewer
I applied via Company Website and was interviewed before May 2018. There were 3 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Questions about Oops, data structures based on the projects I had done, and my resume
- Q2. Questions about classes and abstraction
Interview Preparation Tips
Interview Preparation Tips
Experience: PAPER DURATION: 3 hours
NO. OF QUESTIONS: 2 (20 marks each)
MAXIMUM MARKS: 20*2 = 40 marksQUESTION 1:
JSON Prettier:-Write a program which takes JSON as input and gives prettified JSONYou need to read JSON from STDIN. Input gives one line of uglified JSON.Output should be formatted JSON. Check the standard output link.Use 2 white spaces (not‘\t’) for one indentation.SAMPLE INPUT:{“group” : {list : [1,2,3]}, “list” : [“a”,”b”,”c”]}SAMPLE OUTPUT:{“group” : {List : [1,2,3]},“list” : [“a”,”b”,”c”]}EXPLANATION: Input will be uglifiedjson in one line and output will be prettified format of that. QUESTION 2:XML parse plus series computationEvaluate an expression given in XML format. Keys will be Expr- contains the entire expression. Elem – contains the digit, sum, Prod- contains two or more keys whose evaluation needs to be summed or multiplied respectively. Sub will contain 2 keys or more, where the second key onwards will have to be subtracted from the first one. Div- will contain 2 keys in which first key will need to be divided by second. SAMPLE INPUT:
20EXPLANATION:Input will be xml file through standard input. End of xml file marked by .
Duration: 180 minutes
Total Questions: 2
College Name: NA
I applied via Naukri.com and was interviewed before Jul 2019. There were 4 interview rounds.
Interview Questionnaire
3 Questions
- Q1. Questions about the projects you worked with. About how specific coding challenges were solved. How it could have been done other ways. etc.
- Q2. About Python versions and differences. Impact on frameworks.
- Q3. About module design, apis.
Interview Preparation Tips
Interview Questionnaire
2 Questions
- Q1. Core java and spring boot questions
- Q2. Learn core concepts in java
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