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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<String, Integer> map = new HashMap<>(); map.put("key", 1); int value = map....
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posted on 6 Jul 2021
I applied via Walk-in and was interviewed before Jul 2020. There were 4 interview rounds.
posted on 12 Feb 2020
I applied via Walk-in and was interviewed in Jan 2020. There were 3 interview rounds.
I applied via Naukri.com and was interviewed in Mar 2021. There were 4 interview rounds.
posted on 31 Jan 2023
I applied via Naukri.com and was interviewed before Jan 2022. There were 3 interview rounds.
posted on 8 Jan 2015
posted on 5 Jun 2015
I am an experienced Senior Engineer with a strong background in software development and project management.
Over 10 years of experience in software development
Proficient in multiple programming languages such as Java, C++, and Python
Extensive knowledge of software development methodologies and best practices
Proven track record of successfully leading and delivering complex projects
Strong problem-solving and analytical ...
I have worked on various projects throughout my career, ranging from software development to infrastructure upgrades.
Developed a web application using Java and Spring framework
Led a team in implementing a cloud migration strategy for a large enterprise
Designed and implemented a scalable data processing system using Hadoop
Collaborated with cross-functional teams to deliver a mobile app for a healthcare startup
Proficient in various programming languages, frameworks, and tools, with a focus on software development best practices.
Expert in languages like Python, Java, and JavaScript, used for building scalable applications.
Experience with frameworks such as React for front-end development and Django for back-end services.
Proficient in version control systems like Git, facilitating collaboration and code management.
Familiar wit...
I applied via Recruitment Consultant and was interviewed before Jul 2020. There were 7 interview rounds.
I applied via LinkedIn and was interviewed in Oct 2020. There were 6 interview rounds.
based on 3 interview experiences
based on 4 reviews
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