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Serole Technologies Software Engineer Trainee Interview Questions and Answers
8 Interview questions
Encapsulation and Inheritance are two important OOPs concepts.
Encapsulation is the process of binding data and functions that manipulate that data together in a single unit, called a class.
Inheritance is the process of creating a new class by inheriting properties and methods from an existing class.
Encapsulation helps in data hiding and abstraction, which makes the code more secure and easy to maintain.
Inheritance...
String buffer is synchronized and thread-safe while string builder is not.
String buffer is slower than string builder due to synchronization.
String builder is faster but not thread-safe.
String buffer is preferred for multi-threaded applications.
String builder is preferred for single-threaded applications.
Both classes are used for manipulating strings efficiently.
try-catch-finally is used for handling exceptions in code.
try block contains the code that may throw an exception
catch block catches the exception thrown by try block
finally block contains code that will be executed regardless of exception
Multiple catch blocks can be used for handling different types of exceptions
Final keyword is used to declare a constant value that cannot be changed.
Final keyword can be used with variables, methods, and classes.
Final variables must be initialized at the time of declaration or in constructor.
Final methods cannot be overridden by subclasses.
Final classes cannot be extended by other classes.
Final keyword is also used in try-with-resources statement to declare resources that should be closed...
ArrayList is a dynamic data structure while Array is a static data structure.
ArrayList can grow or shrink dynamically while Array has a fixed size.
ArrayList can store objects of any type while Array can only store elements of the same data type.
ArrayList provides built-in methods for insertion, deletion, and searching while Array does not.
Example: ArrayList<String> names = new ArrayList<String>(); Stri...
Checked exceptions are checked at compile-time while unchecked exceptions are not.
Checked exceptions are those that are checked at compile-time and must be handled or declared in the method signature.
Unchecked exceptions are those that are not checked at compile-time and do not need to be handled or declared in the method signature.
Examples of checked exceptions include IOException, ClassNotFoundException, and SQL...
Thread creation involves initiating a new thread of execution in a program, allowing concurrent operations.
Threads can be created using the Thread class in Java: new Thread(() -> { /* code */ }).start();
In Python, use the threading module: threading.Thread(target=some_function).start() to create a new thread.
C++11 introduced std::thread for thread creation: std::thread t([] { /* code */ }); t.join();
Thread crea...
An object is an instance of a class. A class is a blueprint or template for creating objects.
A class defines the properties and behaviors of objects
An object is created from a class using the 'new' keyword
Multiple objects can be created from a single class
Classes can inherit properties and behaviors from other classes
Example: Class - Car, Object - Honda Civic
Serole Technologies Software Engineer Trainee Interview Experiences
1 interview found
Anonymous
I applied via Referral and was interviewed in Apr 2021. There were 3 interview rounds.
Interview Questionnaire
9 Questions
- Q1. Most of the interview questions are focused on java.
- Q2. Explain any 2 oops concepts
- Ans.
Encapsulation and Inheritance are two important OOPs concepts.
Encapsulation is the process of binding data and functions that manipulate that data together in a single unit, called a class.
Inheritance is the process of creating a new class by inheriting properties and methods from an existing class.
Encapsulation helps in data hiding and abstraction, which makes the code more secure and easy to maintain.
Inheritance help...
- Q3. Thread creation?
- Ans.
Thread creation involves initiating a new thread of execution in a program, allowing concurrent operations.
Threads can be created using the Thread class in Java: new Thread(() -> { /* code */ }).start();
In Python, use the threading module: threading.Thread(target=some_function).start() to create a new thread.
C++11 introduced std::thread for thread creation: std::thread t([] { /* code */ }); t.join();
Thread creation ...
- Q4. What is object and what is class?
- Ans.
An object is an instance of a class. A class is a blueprint or template for creating objects.
A class defines the properties and behaviors of objects
An object is created from a class using the 'new' keyword
Multiple objects can be created from a single class
Classes can inherit properties and behaviors from other classes
Example: Class - Car, Object - Honda Civic
- Q5. What are checked and unchecked exceptions
- Ans.
Checked exceptions are checked at compile-time while unchecked exceptions are not.
Checked exceptions are those that are checked at compile-time and must be handled or declared in the method signature.
Unchecked exceptions are those that are not checked at compile-time and do not need to be handled or declared in the method signature.
Examples of checked exceptions include IOException, ClassNotFoundException, and SQLExcep...
- Q6. How to use try, catch and finally?
- Ans.
try-catch-finally is used for handling exceptions in code.
try block contains the code that may throw an exception
catch block catches the exception thrown by try block
finally block contains code that will be executed regardless of exception
Multiple catch blocks can be used for handling different types of exceptions
- Q7. Difference between string buffer and string builder
- Ans.
String buffer is synchronized and thread-safe while string builder is not.
String buffer is slower than string builder due to synchronization.
String builder is faster but not thread-safe.
String buffer is preferred for multi-threaded applications.
String builder is preferred for single-threaded applications.
Both classes are used for manipulating strings efficiently.
- Q8. Usage of final keyword
- Ans.
Final keyword is used to declare a constant value that cannot be changed.
Final keyword can be used with variables, methods, and classes.
Final variables must be initialized at the time of declaration or in constructor.
Final methods cannot be overridden by subclasses.
Final classes cannot be extended by other classes.
Final keyword is also used in try-with-resources statement to declare resources that should be closed afte...
- Q9. Difference between arraylist and array?
- Ans.
ArrayList is a dynamic data structure while Array is a static data structure.
ArrayList can grow or shrink dynamically while Array has a fixed size.
ArrayList can store objects of any type while Array can only store elements of the same data type.
ArrayList provides built-in methods for insertion, deletion, and searching while Array does not.
Example: ArrayList<String> names = new ArrayList<String>(); String[] ...
Interview Preparation Tips
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
I applied via Naukri.com and was interviewed in Jun 2021. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Questions were mainly on the Data Structure and System Design.
Interview Preparation Tips
I applied via Recruitment Consultant and was interviewed before Oct 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Python file handling, input,output, in a file, Sql joins, list sort in python, basics of GIS, Web service how to test
Interview Preparation Tips
Software Engineer Interview Questions & Answers
American Megatrends
R. Arockia Ratheesh Sahayaraj
posted on 6 Nov 2015
Interview Preparation Tips
Experience: Only 24 people from my campus attended the placement process of this company.The experience wasn't really good.I wasn't
short-listed for next round as my CGPA was 7.5 and need was of above 7.5 ,as they were maintaining standards.
Round: Test
Experience: 1.C aps was really tough.
2.Section 2 we had to choose either Microprocessor or Java,I preferred microprocessor . 3.Simple Questions on 8085 and 8086 instruction set was asked.
4.How much memory are there are 20 address lines,
5.Difference between SRAM and DRAM.
6.ROM is used for stack or not.
7.What are contents of Stack Pointer after PUSH and POP operation.
8.What happens after RET instruction?
9.What is CMC equivalent instruction?
Round: Test
Experience: 16 questions on Quant which are :-
Odd number in a series, Area and Volume, Games of Skill, Time and Work, Average, Trains, Boats
and Streams, Profit and Gain were asked.
If no. of handshakes is 66,find total number of People.?
A lotus in a pond doubles in size everyday,if it fills the pond on 20th day,when will be the pond would be half?
LOGICAL REASONING-
4 men are on the side of a bridge.One torch light is with them and without it they cannot cross
the bridge.The bridge can withstand only 2 people at a time.The time required by the persons are 1
min,2 mins,7 mins,10 mins respectively.Find the shortest time required by all of em to cross the
bridge.
(Answer: 17 minutes)
Round: SOFT SKILLS
Experience: scenario based questions were asked:-
1.working on a project in your company and your brother is in urgent need of a project.What will you do?
2.Your friend mails the project details to some other company.what will be you reaction?
3.Your boss allows to take your team members for a treat.Whether you choose costly one or within budget?
4.Your favorite subject in your curriculum and Why?
5.Where you would view yourself in 5 years?
6.What is a dream company in your terms?
7.Any situation were your work was criticized and what was your reaction?
Skills:
College Name: Anna University Chennai
Selected
I applied via Recruitment Consulltant and was interviewed before Mar 2022. There were 6 interview rounds.
(2 Questions)
- Q1. Communication and behavioral skills
- Q2. Introduction, Skill set, Relevant experience
(2 Questions)
- Q1. AWS - EC2, Lambda, VPC, Route53, Cognito, Cloudwatch, Kinesis, API Gateway
- Q2. ITIL - problem management, recently handled outages. SLA vs SLO. KPIs
(2 Questions)
- Q1. DevOps - SDLC explanation, Apache Tomcat, Linux Administration, Docker and Shell scripting
- Q2. Git, Python, Monitoring tools
(1 Question)
- Q1. Salary expectations and other benefits discussion
(1 Question)
- Q1. Salary Negotiation and salary structure explanation
Interview Preparation Tips
Selected
I applied via Referral and was interviewed before Apr 2023. There were 3 interview rounds.
(2 Questions)
- Q1. Gave one problem of binary search?
- Ans.
Binary search is a technique used to efficiently locate a target value within a sorted array.
Start by comparing the target value to the middle element of the array.
If the target value is less than the middle element, search the left half of the array.
If the target value is greater than the middle element, search the right half of the array.
Repeat the process until the target value is found or the subarray is empty.
- Q2. Asked some questions related to my projects
(2 Questions)
- Q1. Asked questions related to my projects
- Q2. Built a simple web application to store the data and show it to the browser
- Ans.
I would use a combination of HTML, CSS, and JavaScript to create a simple web application that stores and displays data.
Use HTML to create the structure of the web application
Use CSS to style the elements on the page
Use JavaScript to handle user interactions and store/retrieve data
Consider using a backend server (e.g. Node.js) to handle data storage and retrieval
Utilize AJAX to fetch data from the server asynchronously
(1 Question)
- Q1. Salary related and some behavioral questions
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via Naukri.com and was interviewed in May 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Linked list question to detect cycle
- Ans.
Detecting a cycle in a linked list using Floyd's Tortoise and Hare algorithm.
Use two pointers: slow and fast. Slow moves one step, fast moves two steps.
If there's a cycle, slow and fast will eventually meet.
If fast reaches the end (null), there's no cycle.
Example: In a list 1 -> 2 -> 3 -> 4 -> 2 (cycle), slow and fast meet at 2.
- Q2. Basic questions from JS
(2 Questions)
- Q1. Some questions related to my projects
- Q2. Some Questions related to my past experience
Ritika
I applied via Approached by Company and was interviewed in Jan 2024. There was 1 interview round.
(2 Questions)
- Q1. Map reduce filter in javascript
- Ans.
Map, reduce, and filter are higher-order functions in JavaScript used to manipulate arrays.
Map: Transforms each element in an array and returns a new array with the transformed elements.
Reduce: Reduces an array to a single value by applying a function to each element.
Filter: Creates a new array with elements that pass a certain condition.
- Q2. Exception handling
Skills evaluated in this interview
I applied via Approached by Company and was interviewed in Oct 2022. There were 3 interview rounds.
It was a 1-hour interview.
there was 1 round of technical interviews and questions about DSA easy to medium from leetcode with optimization of code.
(2 Questions)
- Q1. For the basic question you can google the top 10 Hr interview questions
- Q2. What is monotype? what is your strength... etc
- Ans.
Monotype is a typeface design company that creates and licenses fonts for digital and print media.
Monotype is a leading provider of typeface design and technology solutions.
It offers a wide range of fonts for various applications, including web, mobile, and desktop.
Some of the popular typefaces created by Monotype include Helvetica, Times New Roman, and Arial.
Monotype also provides font management software and services...
(2 Questions)
- Q1. 30 min interview. it was based on your resume mentioning skills and job id skills they will check the soft skills that you mentioned on your resume and projects . note: please go through with your project...
- Q2. Design a Que using any data STRUCTURE
- Ans.
A queue can be designed using an array or linked list data structure.
A queue follows the FIFO (First In First Out) principle.
Elements are added to the rear end and removed from the front end.
Array implementation requires keeping track of front and rear indices.
Linked list implementation requires keeping track of only front and rear nodes.
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via Job Fair and was interviewed in Oct 2022. There were 3 interview rounds.
(1 Question)
- Q1. 1.Javascript basics like ternary operator, difference between session and local storage, how to call APIs, some Jquery methods 2.How to make responsive designs using CSS 3.Working of React, different hook...
(1 Question)
- Q1. 2nd round was with the Director of Engineering. Mostly asked questions about yourself, from your resume and about projects
Interview Preparation Tips
- HTML
- CSS
- Javascript
- React.Js
- Node.Js
- DSA
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