TCS SDE Interview Questions and Answers

Basic dsa questions from leetcode

Basic question from the aptitude topics

Q1. Tell me about seld
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MATHEMATICS ,SPEED,BLOOD RELATIONS,TIME AND WORK

C PRORAMS,CPP,JAVA,PYTHON

Q1. HOW ARE YOU HOW IS THE DAY
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Linked list and trees

Q1. What is arraylist
Ans. 
ArrayList is a dynamic array in Java that can grow or shrink in size as needed.
• ArrayList is a class in Java that implements the List interface.

• It allows for dynamic resizing of the array, unlike regular arrays.

• Elements can be added, removed, or accessed by index.

• Example: ArrayList names = new ArrayList();
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Q2. What is oops conecepts
Ans. 
Object-oriented programming concepts focus on creating objects that interact with each other to accomplish tasks.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (object)

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

• Polymorphism: Objects of different classes can be treated as objects of a common superclass

• Abstraction: Hiding complex implementation
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Q1. About SQL queries and joins
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30 question are there in the test that were given.

2 coding questions were there in the test

Easy interview which mainly focus on concepts

Q1. Interview went fine and difficulty is medium
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