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posted on 14 Jul 2024
I applied via Campus Placement and was interviewed in Jun 2024. There were 3 interview rounds.
A pen and paper coding test of 4 to 5 questions
Live coding test of 5 DSA concepts
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I applied via Recruitment Consulltant and was interviewed in Oct 2023. There were 2 interview rounds.
Find Arrays in prime numbers and sorting arrays
Hashmap is a data structure that stores key-value pairs and allows for fast retrieval of values based on keys.
Hashmap uses a hashing function to map keys to indices in an array.
It allows for constant time complexity O(1) for insertion, deletion, and retrieval operations.
Example: HashMap
String is immutable, while StringBuffer is mutable in Java.
String is immutable, meaning once created, it cannot be changed. StringBuffer is mutable and can be modified.
StringBuffer is synchronized, making it thread-safe. String is not synchronized.
StringBuffer is more efficient for concatenating multiple strings due to its mutable nature.
Example: String str = "Hello"; StringBuffer sb = new StringBuffer("Hello");
I applied via Naukri.com and was interviewed in Jul 2020. There were 4 interview rounds.
I applied via Campus Placement and was interviewed in Jul 2020. There was 1 interview round.
Java is platform independent due to its bytecode and JVM.
Java code is compiled into bytecode which is platform-independent.
JVM (Java Virtual Machine) interprets the bytecode and executes it on any platform.
JVM acts as an abstraction layer between the Java code and the underlying hardware.
This allows Java programs to run on any platform that has a JVM installed.
For example, a Java program written on a Windows machine ca...
I applied via Campus Placement and was interviewed before Jun 2020. There were 3 interview rounds.
I applied via Recruitment Consultant and was interviewed before Oct 2020. There was 1 interview round.
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