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I was interviewed in Feb 2025.
SQL query and Program Coding test
HashMap is not thread-safe while ConcurrentHashMap is thread-safe.
HashMap is not thread-safe and can lead to ConcurrentModificationException if modified during iteration.
ConcurrentHashMap allows concurrent read and write operations without the need for external synchronization.
ConcurrentHashMap achieves thread-safety by dividing the map into segments and locking only a portion of the map during write operations.
Abstractions help in simplifying complex systems by hiding unnecessary details and focusing on essential features.
Abstractions help in managing complexity by hiding implementation details and focusing on high-level concepts.
They allow developers to work at a higher level of understanding without getting bogged down in low-level details.
Abstractions promote code reusability and maintainability by encapsulating common fu...
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 Company Website and was interviewed in Oct 2018. There was 0 interview round.
I applied via Recruitment Consultant and was interviewed before Oct 2020. There was 1 interview round.
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Softwaretest Engineer
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