Future Focus Infotech Java Technical Lead Interview Questions and Answers

Q1. What are java 8 new features
Ans. 
Java 8 introduced lambda expressions, streams, default methods, and more.
• Lambda expressions for functional programming

• Streams for efficient processing of large data sets

• Default methods to add new functionality to existing interfaces

• Date and Time API for improved handling of date and time

• Optional class to avoid null pointer exceptions

• Nashorn JavaScript engine for improved performance

• Parallel array sorting for faster sor
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Q2. What is the difference between stream and parallel stream
Ans. 
Stream is sequential while parallel stream is concurrent
• Stream is a sequence of elements that can be processed sequentially

• Parallel stream is a sequence of elements that can be processed concurrently

• Parallel stream can improve performance for large datasets

• Parallel stream uses multiple threads to process elements in parallel

• Stream is suitable for small datasets or when order of processing is important
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Q1. Self introduction ,,
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Q2. Qalification ,,, information
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Q1. Capital marketing,,,
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Q2. Basic computer knowlege
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Q1. Tell me about yoourself
Ans. 
I am a dedicated and hardworking individual with a passion for learning and growth.
• I have a strong work ethic and always strive for excellence

• I am a quick learner and adapt well to new environments

• I have experience in project management and team collaboration
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Q1. Difference between PUT and POST
Ans. 
PUT is used to update or replace an existing resource, while POST is used to create a new resource.
• PUT is idempotent, meaning multiple identical requests will have the same effect as a single request.

• POST is not idempotent, meaning multiple identical requests may have different effects.

• PUT is used when the client knows the URI of the resource it wants to update.

• POST is used when the client does not know the URI of the
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Q2. What are the idempotent methods in REST API call
Ans. 
Idempotent methods in REST API calls are operations that can be repeated multiple times without changing the result beyond the initial application.
• GET method is idempotent as it retrieves data and does not change the state of the server

• PUT and DELETE methods are also idempotent as they perform the same operation regardless of how many times they are called

• POST method is not idempotent as it creates a new resource each
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AI- boom or a bane was the topic given

It was the easy round to clear they ask basic quans which include DBMS and grammar over all the round was easy

Q1. The test was condected by AI overall the round is easy
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Q1. They asked questions about my project and basic question in java
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Q1. OOPS concept Java fundamentals
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Q1. Project work framework Rest Assured
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