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HDFC Bank
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I appeared for an interview before Feb 2023.
I applied via Campus Placement and was interviewed in Dec 2020. There were 3 interview rounds.
Static is a keyword in Java used to create class-level variables and methods.
Static variables are shared among all instances of a class
Static methods can be called without creating an instance of the class
Static blocks are used to initialize static variables
Static import is used to import static members of a class
The program replaces consecutive same characters in a string with a single '$'.
Iterate through each character in the string
Compare the current character with the next character
If they are the same, replace the next character with '$'
Continue until the end of the string
Function overloading is having multiple functions with the same name but different parameters. Function overriding is having a derived class implement a method with the same name and parameters as a method in its base class.
Function overloading is used to provide different ways of calling a function with different parameters.
Function overriding is used to provide a specific implementation of a method in a derived class...
I applied via Naukri.com and was interviewed in Apr 2022. There were 2 interview rounds.
posted on 4 Jan 2025
I applied via Recruitment Consulltant and was interviewed in Jul 2024. There was 1 interview round.
List is mutable, tuple is immutable in Python.
List can be modified after creation, tuple cannot.
List uses square brackets [], tuple uses parentheses ().
List is used for collections of items that may change, tuple for fixed collections.
Example: list - [1, 2, 3], tuple - (1, 2, 3)
Simple algorithm question about sorting
The time complexity of the quicksort algorithm is O(n log n).
Quicksort has an average time complexity of O(n log n).
The best case time complexity of quicksort is O(n log n) when the pivot element divides the array into two equal halves.
The worst case time complexity of quicksort is O(n^2) when the pivot element is the smallest or largest element in the array.
HackerEarth / Hacker rank Test
Using dynamic programming to find the lowest cost for metro passes based on given days.
Create an array to store the minimum cost for each day.
Iterate through each day and calculate the minimum cost based on 1, 7, or 30 day pass.
Update the minimum cost for each day using dynamic programming.
Return the minimum cost for the total number of days needed.
Prime numbers are numbers that are only divisible by 1 and themselves.
Start by checking if the number is less than 2, as prime numbers start from 2.
Iterate from 2 to the square root of the number and check if the number is divisible by any of these numbers.
If the number is not divisible by any number in the range, then it is a prime number.
Joins, Jobs, stored procedures,cursors.
I applied via Recruitment Consulltant and was interviewed in Nov 2021. There were 3 interview rounds.
Basic data structure related coding questions like creating a linked list and adding items to it median.
Max heap implementation.
Concurrency related questions.
posted on 22 Aug 2022
I applied via Company Website and was interviewed in Jul 2022. There were 2 interview rounds.
General knowledge and development skills and new things..
based on 1 interview
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