Data Patterns Software Engineer Trainee Interview Questions and Answers

Q1. Find a duplicate in a String OOPs concept Java 8 features
Ans. 
The question is about finding a duplicate in a string.
• Convert the string into an array of characters

• Create a HashSet to store unique characters

• Iterate through the array and check if each character is already present in the HashSet

• If a character is already present, it is a duplicate
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Q1. Java OOPs concept Comparator vs Comparable Streams Lambda Expression
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Comparator vs Comparable, Streams, Lambda Expression
• Comparator and Comparable are interfaces used for sorting objects in Java

• Comparator is used for custom sorting logic, while Comparable is used for natural sorting order

• Streams are a sequence of elements that can be processed in parallel or sequentially

• Lambda expressions are used to write concise and functional code in Java
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Q1. System Desing of Network Management System
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A network management system is designed to monitor and control network devices and ensure their efficient operation.
• The system should have a centralized dashboard to display real-time network status and performance metrics.

• It should support automated network discovery and device configuration management.

• The system should provide alerts and notifications for network events and failures.

• It should have the ability to gene...read more
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Q1. Background why Tejas Salary Discussion
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Level of difficult is medium

Focused more on arrays

There were 3 sections. 1st was aptitute 10 questions and 2nd section was technical 10 questions then 3rd section had 3 coding questions which were of easy level.

Q1. Questions related to OS and CN and Core java were asked.
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Q2. A coding question was also asked to to find the second largest number.
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Q1. What is interface?
Ans. 
An interface in software development defines a contract for classes to implement, specifying methods and properties.
• Interfaces in programming languages like Java and C# allow for multiple inheritance by defining a set of methods that a class must implement.

• Interfaces are used to enforce a certain behavior in classes that implement them.

• Interfaces provide a way to achieve abstraction and polymorphism in object-oriented ...read more
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Q1. Oops and core technologies
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Q1. Project explaination
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Q1. Basic intro and why hired you like that type of questions
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Basic and project if you have experience other wise basics and logical questions

Q1. What are your salary expectations?
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Q2. Why should we hire you?
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Q3. Why are you looking for a change?
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Q4. Tell me about yourself.
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Q1. The round was simple and i was asked 1.Regarding my roles and responsibilities in the previously dealt projects. 2. Skills required for their project 3.Asked about matlab and Simulink libraries which is...read more
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Q1. The 2nd round was managerial round and i was little nervous but, the manager is soo cool and his way of interview is quite good. He tested my skill set which are required for their project and the round t...read more
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Q1. HR is little typical and i was asked how i would be managing if at all there is a time stretching? I was also asked my personal and family details in which he understood that my presence is more important ...read more
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