Data-Core Systems Interview Questions and Answers

Logical reasoning, pseudo codes, mathematical equations

Q1. Explain OOPS in java
Ans. 
OOPS in Java stands for Object-Oriented Programming System, which is a programming paradigm based on the concept of objects.
• OOPS focuses on creating objects that interact with each other to solve a problem

• It involves concepts like inheritance, encapsulation, polymorphism, and abstraction

• Java supports OOPS principles through classes and objects
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Q2. Data Structure, Basic SQL queries
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Q3. Define abstract method and abstract class
Ans. 
Abstract method is a method without implementation in abstract class which cannot be instantiated. Abstract class is a class with abstract methods.
• Abstract method is declared in abstract class without implementation

• Abstract class cannot be instantiated, only used as a base for other classes

• Abstract class can have both abstract and non-abstract methods

• Example: abstract class Animal { abstract void makeSound(); }

• Example:
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Q1. Why should we hire you?
Ans. 
I have a strong technical background, excellent problem-solving skills, and a passion for software development.
• I have a Bachelor's degree in Computer Science and 5 years of experience in software development.

• I have successfully completed multiple projects using various programming languages and technologies.

• I am a quick learner and always eager to expand my knowledge and skills in the field.
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Q2. What challenges your faced in life?
Ans. 
I have faced challenges in balancing work and personal life, overcoming imposter syndrome, and adapting to new technologies.
• Balancing work and personal life: Juggling deadlines at work while making time for family and friends.

• Overcoming imposter syndrome: Feeling like I don't belong in the tech industry and constantly doubting my abilities.

• Adapting to new technologies: Learning new programming languages and tools to st
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Q1. I can't clear technical round
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Q2. After listening a voice massage then creat a advertisement about the voice massage
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Q3. After showing a video clip then creat a advertisement about the video clip
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They'll ask to write about any current affair and will take a typing test.

Q1. This round includes some surprising test. Make sure to put your best efforts in this round.
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Q1. This is hr meeting. Here they'll provide information about company your benefit and others.
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Read apti books available in the market

Q1. All Java related questions
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Q2. Idea about AI and general HR questions
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Q1. Easy questions and very easy interview
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Q2. Say about yourself and say about your background
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Q1. Tell me about yourself
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Q2. What do you know about recruitment
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