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Deloitte
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Basic aptitude questions. Could be done easily if practiced enough
I applied via Naukri.com
Java program to sort an array of strings
Use Arrays.sort() method to sort the array of strings
Import java.util.Arrays package
Example: String[] arr = {"apple", "banana", "orange"}; Arrays.sort(arr);
Collections in Java and Spring Boot are used to store and manipulate groups of objects.
Collections in Java are used to store multiple objects in a single unit.
Spring Boot provides support for managing collections through various data structures like List, Set, Map, etc.
Collections in Java and Spring Boot help in organizing and manipulating data efficiently.
Example: List
I applied via Campus Placement and was interviewed before Apr 2023. There were 2 interview rounds.
1 20 mark easy ques and 1 50 mark med ques, time : 1h 30 mins i guess
I appeared for an interview before Sep 2020.
Round duration - 90 minutes
Round difficulty - Medium
This test consists of two coding questions and some MCQ regarding computer fundamentals.
Kevin has two packs of cards. The first pack contains N cards, and the second contains M cards. Each card has an integer written on it. Determine two results: the tot...
Find total distinct card types and common card types between two packs of cards.
Create a set to store distinct card types when combining both packs.
Iterate through each pack and add card types to the set.
Find the intersection of card types between the two packs to get common card types.
Given an array of integers arr
, where arr[i]
represents the number of pages in the i-th
book, and an integer m
representing the number of students, allocate all the books ...
Allocate books to students in a way that minimizes the maximum number of pages assigned to a student.
Iterate through all possible allocations of books to students.
Calculate the maximum number of pages assigned to a student for each allocation.
Return the minimum of these maximums as the result.
Round duration - 40 minutes
Round difficulty - Easy
It was a technical round that is based on DSA and computer fundamentals.
Given a singly linked list of integers, return the head of the reversed linked list.
Initial linked list: 1 -> 2 -> 3 -> 4 -> NULL
Reversed link...
Reverse a singly linked list of integers and return the head of the reversed linked list.
Iterate through the linked list and reverse the pointers to point to the previous node instead of the next node.
Use three pointers - prev, current, and next to reverse the linked list in O(N) time and O(1) space complexity.
Update the head of the reversed linked list as the last node encountered during the reversal process.
Given an integer array arr
of size 'N' containing only 0s, 1s, and 2s, write an algorithm to sort the array.
The first line contains an integer 'T' representing the n...
Sort an array of 0s, 1s, and 2s in linear time complexity.
Use three pointers to keep track of 0s, 1s, and 2s while traversing the array.
Swap elements based on the values encountered to sort the array in-place.
Time complexity should be O(N) and space complexity should be O(1).
Tip 1 : If you are not able to complete something in-depth, clearly mention that to the interviewer.
Tip 2 : Practice DSA well.
Tip 3 : Try to think analytically and more logically,Your thinking skills matters a lot.
Tip 1 : Try to mention max no of projects
Tip 2 : DO not fake in your resume.
Challenging questions in mathematics.
A constructive discussion about the significance of various topics and additional aspects.
I applied via Campus Placement and was interviewed before Nov 2020. There was 1 interview round.
Program to calculate factorial
Use a loop to multiply the numbers from 1 to n
Handle edge cases like 0 and negative numbers
Use recursion for a more elegant solution
I applied via Recruitment Consulltant and was interviewed in May 2024. There was 1 interview round.
One marks of Java and Java script
based on 1 interview
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