Prospecta Software Development Engineer Interview Questions and Answers

They have 4 round total. In first round they take online Aptitide test in college labs.Aptitude topics are (Mcq on C,Java,C++ and quantitative aptitude,logical e.t.c), All rounds are Elimination round.

In 2nd Round they take coding test on your college systems.They don't have their plateform.You have to write code on any offline compiler.Coding question are based on linkedlist,array,string,hashmap only.They give 3 coding question if you solve 2 , you will be selected for next round.
Ques1: given an array of string and their frequency , find the string which have duplicate frequency.
Ques2: Find if an array contain any non empty subarray of zero sum in an array.
Ques 3: Find the string is isomorphic or Not.

Q1. In 3rd Round they ask question form your preferred programming language,Sql queries and basic dsa question like find cycle in linked list.
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Q2. What is Diff between static and final keyword in java
Ans. 
Static keyword is used to create class-level variables and methods, while final keyword is used to make a variable constant.
• Static keyword is used to create variables and methods that belong to the class itself, rather than to any specific instance of the class.

• Final keyword is used to make a variable constant and cannot be changed once it has been assigned a value.

• Static variables are shared among all instances of a c...read more
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Q3. How hashmap internally worked
Ans. 
HashMap internally uses an array of linked lists to store key-value pairs, with keys hashed to determine the index.
• HashMap uses hashing to determine the index of key-value pairs in the array.

• Each index in the array can store multiple key-value pairs in a linked list.

• When a key is inserted, its hash code is used to find the appropriate index in the array.

• If multiple keys hash to the same index, they are stored in a link...read more
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Q4. Find cycle in linkedlist
Ans. 
Detect cycle in a linked list
• Use two pointers approach - slow and fast pointers

• If there is a cycle, the fast pointer will eventually catch up to the slow pointer

• Check if the fast and slow pointers meet at some point to detect the cycle
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Q1. The 4th round is Technical+Hr, They asked question about your tech stack, project and they go deep in the concept so prepare accordingly.
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Q2. What is diff between jvm, jre, jdk
Ans. 
JVM is the Java Virtual Machine that executes Java bytecode. JRE is the Java Runtime Environment that includes JVM and libraries. JDK is the Java Development Kit that includes JRE and development tools.
• JVM is the virtual machine that runs Java bytecode and provides a runtime environment for Java programs.

• JRE includes JVM along with libraries and other components necessary to run Java applications.

• JDK is a development k...read more
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Q3. What is Springboot rest api
Ans. 
Spring Boot is a framework for building Java-based web applications with minimal configuration.
• Spring Boot simplifies the process of creating standalone, production-grade Spring-based applications.

• It provides a range of features like embedded servers, auto-configuration, and production-ready metrics.

• Spring Boot allows developers to quickly set up and run RESTful web services using annotations and minimal XML configurat
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Q4. What is polymorphism and interface , what is difference between interface and abstract class
Ans. 
Polymorphism allows objects of different classes to be treated as objects of a common superclass. Interface is a contract that defines a set of methods that a class must implement.
• Polymorphism allows for flexibility in programming by enabling a single interface to be used to represent multiple types of objects

• Interfaces in Java are similar to abstract classes, but they cannot contain any implementation code

• Abstract cla...read more
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Q1. About your self
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Q2. Work experience relevant to the applied job at VDart
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Q1. Questions based on the applied job roles
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Q2. Previous company details, job nature, work life, and individual contribution to the previous companies, etc.
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Q1. Background check and document collection
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Q2. Salary package discussion.
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Q1. Communication skill test
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Q1. Process related questions
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Q2. Definition of Business Development
Ans. 
Business development involves identifying opportunities for growth and creating strategies to capitalize on them.
• Identifying new business opportunities

• Building and maintaining relationships with clients and partners

• Developing and implementing growth strategies

• Market research and analysis

• Negotiating deals and partnerships
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Q3. Sales methodologies
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General aptitude test

Coding round via screen share

Q1. Managerial round with technical solution discussion
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