Tarento Technologies Associate Software Engineer Interview Questions and Answers

They gave us 2 coding questions, must code in java, they personally checked each of our codes, 1 hr duration (They may extend for around 30 mins), should have java installed on our systems prior.

Q1. Difference between array list, array in java
Ans. 
Array list is a dynamic array that can grow or shrink in size, while array in Java is a fixed-size collection of elements.
• Array list in Java is a class that implements List interface and allows dynamic resizing.

• Arrays in Java are fixed in size and cannot be resized once initialized.

• Example: ArrayList<String> arrayList = new ArrayList<String>(); String[] array = new String[5];
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Q2. About spring boot
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Q3. Write code for dynamic arrays
Ans. 
Code snippet to implement dynamic arrays with add, remove, and access methods.
• Use a list or vector data structure to implement dynamic arrays.

• For adding elements, use the append or push_back method.

• For removing elements, use the erase or remove method.

• For accessing elements, use the index operator or at method.
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Q4. For loop, for each
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Q5. What do u know about java
Ans. 
Java is a popular programming language known for its platform independence and object-oriented approach.
• Java is an object-oriented programming language

• It is known for its platform independence, meaning Java programs can run on any device that has a Java Virtual Machine (JVM)

• Java is used for developing a wide range of applications, from mobile apps to enterprise systems

• Java has a rich set of libraries and frameworks tha
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Q6. Oops concepts
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Q7. Introduce urself
Ans. 
I am a recent graduate with a degree in Computer Science, passionate about coding and problem-solving.
• Recent graduate in Computer Science

• Passionate about coding and problem-solving
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Q8. Linked list - node insertion, deletion in java
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Q9. Heaps in java, how does internal memory allocation happen for heaps
Ans. 
In Java, heaps are used for dynamic memory allocation. Internal memory allocation in heaps is managed by the JVM.
• Heaps in Java are used for storing objects and dynamically allocated memory.

• Memory allocation in heaps is managed by the Java Virtual Machine (JVM).

• The JVM uses a technique called garbage collection to reclaim memory from objects that are no longer in use.

• Objects in the heap are allocated memory based on the...read more
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Leetcode easy level questions

Q1. Eliminate subsequent repetitions in a string
Ans. 
Remove subsequent repetitions in a string
• Iterate through the string and compare each character with the next one

• If they are the same, remove the repetition by shifting the characters to the left

• Repeat this process until all repetitions are eliminated
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Q1. Behavioral questions asked by Delivery Manager
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Q1. Behavioral round and past experience
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Q1. Design a URL shortener
Ans. 
A URL shortener is a tool that takes a long URL and generates a shorter, more manageable link.
• Generate a unique short code for each long URL

• Store the mapping between short code and long URL in a database

• Redirect users from short URL to original long URL when accessed
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Q2. Write unit test for a sevice class
Ans. 
Unit test for a service class
• Create a test class for the service class

• Mock any dependencies of the service class

• Write test methods to cover different scenarios

• Use assertions to verify the expected outcomes
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Q1. Explain oops concepts
Ans. 
OOP is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
• OOP focuses on creating objects that interact with each other to solve problems.

• Encapsulation: Objects can hide their internal state and require interactions through defined interfaces.

• Inheritance: Objects can inherit attributes and methods from other objects.

• Polymorphism: Objec...read more
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Q2. Write a code on simple one.
Ans. 
Code a simple one
• Use a basic programming language like Python or JavaScript

• Create an array of strings

• Print the array elements
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Q3. Explain about your projects
Ans. 
I have worked on various projects including a web application for tracking inventory and a mobile app for managing tasks.
• Developed a web application using React.js for tracking inventory levels and generating reports

• Created a mobile app using Flutter for managing tasks and setting reminders

• Implemented RESTful APIs for communication between frontend and backend systems
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Q1. Tell me about yourself
Ans. 
I am a software developer with 5 years of experience in Java, Python, and SQL.
• 5 years of experience in Java, Python, and SQL

• Strong problem-solving skills

• Experience working in Agile development environment

• Passionate about learning new technologies
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Q2. Why msg global solutions
Ans. 
I want to work at msg global solutions because of their reputation for innovative solutions and collaborative work environment.
• I am impressed by msg global solutions' track record of delivering cutting-edge software solutions to clients.

• I am excited about the opportunity to work with a team of talented developers and collaborate on challenging projects.

• I value the emphasis msg global solutions places on professional de...read more
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2 DSA question was asked

40 questions in 20 minutes

Q1. Stones games 2 leetcode
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Q2. Permutations of array
Ans. 
Generate all possible permutations of an array of strings
• Use recursion to generate permutations

• Swap elements to create different permutations

• Base case: when array size is 1, return array as permutation
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Q1. Project discussion
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Q1. Go Lang related questions
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Q2. System architecture
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Q1. Basic questions of c#
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Q1. Coding questions in c#
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