Technodysis Software Development Engineer Interview Questions and Answers

There was an OA on hackerearth of an hour. In that there were 20 MCQs and two DSA questions easy to medium on Heap, Hashmap and Subarray

Q1. Asked about previous worked project in last company
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Q2. Asked one medium DSA question (DNA sequencing) and asked to design some schema
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Q3. Asked one puzzle If there are 1000 bottles and one is poisonous, a rat will diw after one hour of drinking and you have only one hour to find out which bottle is poisonous, How many minimum rats you need ?
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The aptitude test evaluates problem-solving, coding skills, and logical reasoning, offering a fair challenge to showcase technical expertise.

Q1. How do you handle conflicts in a team project?
Ans. 
I address conflicts in team projects by promoting open communication, active listening, and seeking compromise.
• Encourage open communication among team members to address conflicts early on

• Practice active listening to understand all perspectives and concerns

• Seek compromise and find common ground to resolve conflicts effectively
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Q2. What is the difference between an interface and an abstract class?
Ans. 
Interface is a contract that defines the methods a class must implement, while an abstract class can have both implemented and abstract methods.
• Interface can only have abstract methods and cannot have any implementation, while abstract class can have both abstract and implemented methods.

• A class can implement multiple interfaces but can only inherit from one abstract class.

• Interfaces are used to achieve multiple inheri...read more
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Q1. What is the difference between an abstract class and an interface in object-oriented programming?
Ans. 
Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.
• Abstract class can have method implementations, while interface cannot.

• A class can implement multiple interfaces, but can only inherit from one abstract class.

• Interfaces are used to define contracts for classes to implement, while abstract classes are used to provide a common base for subclasses.

• Example: Abstr...read more
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Q2. Abstract classes can have implemented methods; interfaces can only have declarations (before JAVA 8).
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Q1. How to rotate a matrix?
Ans. 
To rotate a matrix, transpose it and then reverse each row or column depending on the direction of rotation.
• Transpose the matrix by swapping elements across the diagonal

• For clockwise rotation, reverse each row of the transposed matrix

• For anti-clockwise rotation, reverse each column of the transposed matrix
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Q2. How to find a particular element in a sorted array?
Ans. 
Use binary search to efficiently find a particular element in a sorted array.
• Start by comparing the target element with the middle element of the array.

• If the target element is less than the middle element, search the left half of the array.

• If the target element is greater than the middle element, search the right half of the array.

• Repeat the process until the target element is found or the search space is empty.
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Q1. Asking about the whereabouts
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Q2. Checking com skills and availability
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Q1. Basic questions based on resume
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Q2. Basic .net questions
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Q3. Logical questions related to problem solving
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Q1. 3 Question was there related to architecture and Computer networks.
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Q1. Microservices and Monolith.
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Q2. Leetcode hard Sum.
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Q1. Four Pillars of OOPS in Java?
Ans. 
Encapsulation, Inheritance, Polymorphism, Abstraction are the four pillars of OOPS in Java.
• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Inheritance: Allows a class to inherit properties and behavior from another class.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the implementation details and showing only the necessary features.
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Q2. What is a constructor in Java?
Ans. 
A constructor in Java is a special type of method that is used to initialize objects.
• Constructors have the same name as the class they are in.

• They do not have a return type, not even void.

• Constructors are called when an object of a class is created.

• Example: public class Car { public Car() { // constructor code } }
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Aptitude questions with some basic coding questions

They have given 3 coding questions and some pseudo codings

Q1. Tell about your self
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Q2. Some coding questions
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