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Java 8 introduced several new features and improvements, including lambda expressions, functional interfaces, streams, and default methods.
Lambda expressions allow for more concise and readable code.
Functional interfaces enable the use of lambda expressions.
Streams provide a way to work with collections in a more functional style.
Default methods allow interfaces to have method implementations.
HTTP methods include GET, POST, PUT, DELETE, PATCH. Idempotency in REST API means multiple identical requests have the same effect as a single request.
HTTP methods: GET, POST, PUT, DELETE, PATCH
Idempotency in REST API: Multiple identical requests have the same effect as a single request
Example: GET and PUT are idempotent as they do not change the state of the server with multiple identical requests
I applied via Approached by Company and was interviewed in Apr 2024. There were 2 interview rounds.
I applied via Naukri.com and was interviewed in Jan 2024. There were 2 interview rounds.
It was very easy to code leetcode easy
Very good interviewing experience in this
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posted on 20 Feb 2024
I applied via Walk-in and was interviewed before Feb 2023. There were 3 interview rounds.
Good with easy questions
posted on 28 May 2024
posted on 8 Jul 2024
I applied via Campus Placement and was interviewed in Jun 2024. There were 2 interview rounds.
Find the single number in a sorted array with frequency of 2 for all other numbers.
Use binary search to find the number with different frequency.
Check if the mid element is at even or odd index to determine which side to search next.
Example: Input array [1, 1, 2, 2, 3, 3, 4, 4, 5] should return 5.
Print the left view of a tree by traversing the tree from left to right at each level
Traverse the tree using level order traversal
Print the first node at each level encountered during traversal
posted on 1 Feb 2024
Design a distributed system to handle 10 million users.
Use a microservices architecture to break down the system into smaller, manageable components.
Implement load balancing to distribute user requests across multiple servers.
Utilize a distributed database to store user data and ensure scalability.
Implement caching mechanisms to improve performance and reduce database load.
Use message queues for asynchronous communicat...
posted on 10 May 2024
I applied via Approached by Company and was interviewed before May 2023. There was 1 interview round.
XPath is a query language used for selecting nodes from an XML document.
XPath stands for XML Path Language
It is used to navigate through elements and attributes in an XML document
XPath uses path expressions to select nodes or node-sets in an XML document
Example: /bookstore/book[1]/title selects the title of the first book in a bookstore
Static variables are shared among all instances of a class, while non-static variables belong to individual instances.
Static variables are declared using the 'static' keyword, while non-static variables are not.
Static variables are initialized only once at the start of the program, while non-static variables are initialized each time an instance is created.
Static variables can be accessed using the class name, while no...
posted on 29 Feb 2024
I applied via Instahyre and was interviewed in Jan 2024. There was 1 interview round.
Medium leetcode question on graph was given by third party interviewer BarRaiser
India gdp growth and make in india
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