TCS Programmer Analyst Interview Questions, Process, and Tips

Q1. Difference between let and const in javascript
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Q2. Map() uses
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Q3. Concat 2 arrays
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Q1. What is a linked list
Ans. 
A linked list is a data structure consisting of nodes where each node contains a data field and a reference to the next node.
• Consists of nodes connected by pointers/references

• Does not have a fixed size like an array

• Can easily insert or delete elements without shifting other elements

• Example: Singly linked list, Doubly linked list
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Q1. Write a Bubble Sort program
Ans. 
Bubble Sort is a simple sorting algorithm that repeatedly steps through the list, compares adjacent elements, and swaps them if they are in the wrong order.
• Initialize an array of strings to be sorted

• Repeat until no swaps are needed: Compare adjacent elements and swap if necessary

• Continue until the array is sorted in ascending order
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Q1. What is polymorphism
Ans. 
Polymorphism is the ability of a single function or method to operate on different types of data.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).

• Example: Inheritance in object-oriented programming languages like Java allows for polymorphism.
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It is totally depends on basic concepts and mathematics

Q1. It is our interview round.it is very easy.you prepare with your resume.
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Q2. What is your Favourite subject? What is your role of responsibility?
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