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I applied via LinkedIn and was interviewed in Jun 2024. There was 1 interview round.
I am currently working on a project to design and implement a new wastewater treatment system for a municipal facility.
Designing the layout and components of the treatment system
Collaborating with environmental engineers to ensure compliance with regulations
Testing and optimizing the system for efficiency and effectiveness
Critical steps of projects include planning, design, execution, monitoring, and closing.
Planning: Define project scope, objectives, and deliverables.
Design: Develop detailed project plans, schedules, and budgets.
Execution: Implement the project plan and manage resources effectively.
Monitoring: Track progress, identify risks, and make necessary adjustments.
Closing: Evaluate project outcomes, document lessons learned, an
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I applied via Referral and was interviewed before Jun 2021. There were 4 interview rounds.
I applied via Naukri.com and was interviewed in Nov 2020. There were 5 interview rounds.
I applied via Recruitment Consulltant and was interviewed in Nov 2021. There were 4 interview rounds.
It was medium level question
Java hash map is a data structure that stores key-value pairs and uses hashing to efficiently retrieve values based on keys.
HashMap in Java implements the Map interface and allows null keys and values.
It uses hashing to store and retrieve key-value pairs, providing O(1) time complexity for get() and put() operations.
Example: HashMap
I applied via Naukri.com and was interviewed before Apr 2023. There were 3 interview rounds.
Singleton class is a class that can only have one instance, while HashMap is not thread-safe but ConcurrentHashMap is.
Singleton class restricts instantiation to one object, ensuring a single instance throughout the application.
HashMap allows multiple threads to access and modify it concurrently, which can lead to data corruption in a multi-threaded environment.
ConcurrentHashMap is thread-safe and allows multiple thread...
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