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String Builder is not synchronized, faster but not thread-safe. String Buffer is synchronized, slower but thread-safe.
String Builder is faster due to lack of synchronization, suitable for single-threaded environments.
String Buffer is slower due to synchronization, suitable for multi-threaded environments.
String Buffer is thread-safe, String Builder is not.
Example: StringBuilder sb = new StringBuilder(); StringBuffer sb
Singleton class is a design pattern that restricts the instantiation of a class to one object, while circuit breaker pattern is a design pattern used in software development to prevent cascading failures.
Singleton class ensures that a class has only one instance and provides a global point of access to it.
Circuit breaker pattern is used to detect failures and prevent them from causing further damage by temporarily stop...
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posted on 14 Sep 2022
I applied via LinkedIn and was interviewed before Sep 2021. There were 4 interview rounds.
Easy to medium level
Decent one somewhat medium level
posted on 17 Oct 2024
I applied via Campus Placement and was interviewed in Sep 2024. There were 2 interview rounds.
2 coding questions medium to hard level
Use Floyd's cycle detection algorithm to find if a Singly Linked List is cyclic or not.
Use two pointers, slow and fast, where slow moves one step at a time and fast moves two steps at a time.
If there is a cycle, the two pointers will eventually meet at some point.
If the fast pointer reaches the end of the list (null), then there is no cycle.
posted on 16 Dec 2024
I applied via Campus Placement and was interviewed in Jun 2024. There were 4 interview rounds.
In the coding test, there were 2 problems based on arrays and hashing (easy to medium level leetcode)
posted on 1 May 2024
I applied via Campus Placement and was interviewed before May 2023. There were 2 interview rounds.
Question were based on coding 1 with linked list 1 with string and 1 sql one
posted on 15 Jun 2022
I applied via LinkedIn and was interviewed in Apr 2022. There were 4 interview rounds.
posted on 12 Jan 2023
I applied via Campus Placement and was interviewed before Jan 2022. There were 4 interview rounds.
This one is a combination of aptitude and coding test where medium questions abt c,cpp are asked
Do few aptitude test and some level of coding and ull be able to clear the test quite easily
posted on 1 Aug 2024
I applied via Campus Placement and was interviewed in Jul 2024. There was 1 interview round.
posted on 24 Oct 2022
30 min test covers basic logic reasonings
30 min round medium level questions from leetcode
posted on 16 Sep 2021
I appeared for an interview before Sep 2020.
Round duration - 50 minutes
Round difficulty - Medium
Round duration - 20 minutes
Round difficulty - Medium
You are given an integer array 'ARR' of size 'N' and an integer 'S'. Your task is to find and return a list of all pairs of elements where each sum of a pair equals 'S'.
Given an array and a target sum, find pairs of elements that add up to the target sum.
Iterate through the array and for each element, check if the complement (target sum - current element) exists in a hash set.
If the complement exists, add the pair to the result list. Otherwise, add the current element to the hash set.
Sort the pairs based on the first element and then the second element to meet the required output form
Round duration - 20 minutes
Round difficulty - Easy
Round duration - 40 minutes
Round difficulty - Hard
Pointers in C/C++ are variables that store memory addresses. They are used to manipulate memory directly and improve performance.
Pointers are declared using an asterisk (*) before the variable name.
Pointers can be used to dynamically allocate memory using functions like malloc() and free().
Pointers can be used to pass variables by reference to functions.
Tip 1 : Do atleast 1 project
Tip 2 : Practice Data structure programming questions
Tip 3 : Prepare concepts with examples (Coding/Numericals)
Tip 1 : Mention Projects
Tip 2 : Mention only those technologies which you are confident enough.
Tip 3 : Mention extra curricular activities if have.
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