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I applied via Naukri.com and was interviewed before Feb 2023. There was 1 interview round.
Serialization in Java is the process of converting an object into a stream of bytes to store or transmit data.
Serialization is used for object persistence, network communication, and deep cloning.
In Java, the Serializable interface is used to mark classes as serializable.
Objects can be serialized using ObjectOutputStream and deserialized using ObjectInputStream.
posted on 19 Nov 2021
posted on 14 Apr 2021
I applied via Campus Placement and was interviewed in Mar 2021. There were 3 interview rounds.
Interface defines a contract while Abstraction hides implementation details.
Interface is a blueprint of a class that defines the methods and properties that the class should implement.
Abstraction is a way of hiding the implementation details of a class and exposing only the necessary details to the user.
Interface is used to achieve multiple inheritance in Java.
Abstraction can be achieved through abstract classes and in...
posted on 22 Aug 2022
3 Question based on strings, array & LinkedList
posted on 20 Nov 2022
I applied via LinkedIn
They asked five problems. We need to solve atleast three problems out of five.
They asked ten questions related to reasoning and quantitative aptitude.We need to solve atleast 7 out of 10.
posted on 6 Nov 2023
I applied via LinkedIn and was interviewed before Nov 2022. There were 4 interview rounds.
Based on the project need to complete the task!
posted on 28 Feb 2024
The first round was an aptitude test. There were 30 questions with 1 marks for each.
After being selected from the first round the second round was the Coding test there were 6 sets and 1 set had 3 questions. they told me to do it in an online compiler without an internet connection.
posted on 9 Jun 2024
Practice atleast 20 questions for every topic.
HashMap is a data structure that stores key-value pairs and provides constant time complexity for basic operations.
HashMap allows quick access to values based on their keys
Keys must be unique and values can be duplicated
HashMap is not thread-safe and requires synchronization for concurrent access
Java's HashMap implementation uses hashing to distribute keys across buckets
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