Topsource Infotech Solutions Interview Questions and Answers

Q1. What are oops concepts in java, explain real time scenario
Ans. 
OOPs concepts in Java include inheritance, polymorphism, encapsulation, and abstraction.
• Inheritance allows a subclass to inherit properties and methods from a superclass.

• Polymorphism allows objects to take on multiple forms and behave differently based on their context.

• Encapsulation hides the implementation details of an object and only exposes necessary information.

• Abstraction allows for the creation of abstract class...read more
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Q2. Uses of interface, inheritance
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Interfaces define contracts for behavior, while inheritance allows for code reuse and polymorphism.
• Interfaces allow for loose coupling and abstraction, enabling multiple implementations of the same behavior.

• Inheritance allows for code reuse and extension of existing classes, reducing code duplication.

• Polymorphism allows objects of different classes to be treated as if they were of the same class, simplifying code and i
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Q3. SQL query for join of tables
Ans. 
SQL query for joining tables
• Use JOIN keyword to combine two or more tables based on a related column

• Specify the columns to be selected using SELECT keyword

• Use ON keyword to specify the condition for joining the tables

• Different types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL OUTER JOIN
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Q4. Java concepts used in your project
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Used Java concepts such as inheritance, polymorphism, and exception handling in my project.
• Implemented inheritance to create a base class and derived classes with specific functionalities.

• Utilized polymorphism to allow objects of different classes to be treated as if they were of the same class.

• Implemented exception handling to handle errors and prevent program crashes.

• Used interfaces to define a set of methods that a ...read more
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Q5. Overloading vs overriding, practical uses
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Overloading is having multiple methods with the same name but different parameters. Overriding is having a method in a subclass with the same name and parameters as a method in the superclass.
• Overloading is used to provide different ways to call a method with different parameters

• Overriding is used to provide a specific implementation of a method in a subclass

• Overloading is resolved at compile-time while overriding is r...read more
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Aptitude test was of 30 minutes consisting of 35 questions.

We went to Grapecity there were 2 papers number 1 was of c/c++ codes were given of both and we had to analyze the output based on codes for this they will give u only 15 minutes and the next paper was of match the following on that paper there will be a large and confusing flow char based on that we have to select the best option for the asked question this paper was of 10 minutes.

Q1. Tell me how you evaluate your department performance
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Q1. Technical drawing
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Q1. Oops concept, generic classes, dependency injection , sql
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Q2. Jquery, closures in javascript ,
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Very easy roundand is it a program to implement Parallel Merge Sort and can measure the performance

Coding and decoding reasoning for the shield season is over now I am not sure

It is activities with questions related to conventional and cnc machine and tools used and tools operations.

Q1. Favorite subject and related question in diploma
Ans. Answer which one you like the most and which one is related to the company And be well prepared
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Q2. If you are a student and you got a job in our company, one day you have exams and the company has not given leave, then you can choose either to leave the company or education.
Ans. 
I would prioritize my education and try to find a solution that allows me to take the exam without leaving the company.
• I would discuss the situation with my supervisor and explain the importance of the exam for my education.

• I would propose alternative solutions such as taking a half-day off or rearranging my work schedule to accommodate the exam.

• I would emphasize my commitment to both my job and education and express m...read more
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Q3. What is entropy? What is enthalpy?
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Entropy is the measure of disorder or randomness in a system. Enthalpy is the measure of heat energy in a system.
• Entropy is a thermodynamic property that increases with the degree of disorder in a system.

• Enthalpy is the sum of the internal energy of a system and the product of its pressure and volume.

• Entropy is often associated with the second law of thermodynamics, which states that the total entropy of a closed syste...read more
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Q4. What is system in thermodynamics and classification, explain with defination and exams
Ans. 
A system in thermodynamics refers to a specific region or object under observation.
• A system can be classified as open, closed, or isolated based on the exchange of matter and energy with the surroundings.

• An open system allows both matter and energy to be exchanged with the surroundings, while a closed system only allows energy exchange.

• An isolated system does not allow any exchange of matter or energy with the surround...read more
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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.

Q1. For the basic question you can google the top 10 Hr interview questions
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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...read more
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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...read more
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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.
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