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I applied via Approached by Company and was interviewed before Nov 2021. There were 2 interview rounds.
I applied via Approached by Company and was interviewed in Oct 2024. There were 4 interview rounds.
2 DSA questions and some MCQ on Java and Spring
A palindromic substring is a string that reads the same forwards and backwards.
Use dynamic programming to find the longest palindromic substring.
Start by considering each character as the center of a potential palindrome.
Expand outwards from each center to check for palindromes of odd and even lengths.
Remove duplicates from a 1D array of strings in place
Iterate through the array and use a HashSet to keep track of unique elements
Replace duplicates with null or an empty string to remove them in place
Search for the minimum element in a rotated sorted array with duplicate elements.
Use binary search to find the minimum element in the rotated sorted array.
Handle the case where duplicate elements are present by adjusting the search conditions.
Consider cases where the array is not rotated or contains only one element.
A singleton class is a class that can only have one instance created throughout the application.
Declare a private static instance variable of the class
Create a private constructor to prevent external instantiation
Provide a public static method to access the instance
I applied via Company Website and was interviewed in Jul 2024. There were 3 interview rounds.
Identify the top 3 students based on their grades in a class.
Calculate the average grade for each student
Sort the students based on their average grades in descending order
Select the top 3 students
Guesstimate questions
I applied via AmbitionBox and was interviewed in Jul 2024. There were 2 interview rounds.
Basic javascript dsa questions
I applied via Company Website and was interviewed in Oct 2023. There were 2 interview rounds.
Basic SQL and tableau questions
I applied via Naukri.com and was interviewed before Apr 2023. There were 2 interview rounds.
I applied via Naukri.com and was interviewed before Nov 2021. There were 2 interview rounds.
String arrays are immutable because they cannot be changed once created.
Strings in an array cannot be modified individually
Any changes to a string array result in a new array being created
Immutable arrays ensure data integrity and prevent unintended side effects
To create a custom immutable class, use final keyword for class, private final fields, and no setter methods.
Use the final keyword for the class to prevent inheritance
Declare all fields as private and final to prevent modification
Do not provide setter methods for the fields to maintain immutability
Provide getter methods to access the fields
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