HashStudioz Technologies Java Developer Interview Questions and Answers

Q1. 1) Number of experience do you have as Java Developer 2) Current salary and organisation details 3) Expected salary 4) Any problem to relocate to Job posting place
Ans. 
The interview questions are related to the candidate's experience, salary, and willingness to relocate.
• Answer the question about the number of years of experience as a Java Developer.

• Provide details about the current salary and organization.

• State the expected salary for the new job.

• Indicate if there is any problem with relocating to the job posting place.
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Q1. 1) Explain the internal workings of HashMap 2) Difference between HashMap and ConcurrentHashMap 3) Difference between failfast and failsafe iterator
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Answers to questions related to Java Developer interview
• HashMap is a data structure that stores key-value pairs and uses hashing to retrieve values

• ConcurrentHashMap is a thread-safe version of HashMap that allows multiple threads to access and modify the map concurrently

• Fail-fast iterator throws ConcurrentModificationException if the collection is modified while iterating

• Fail-safe iterator creates a copy of the collect...read more
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Q2. 4)How many objects will be created if below lines executed in Java String s = new String("abc"); 5) Difference between Stack and Heap memory in Java 6) Explain @autowired
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Java interview questions on object creation, memory allocation, and @autowired annotation.
• One object will be created for the String 'abc' and another object will be created for the reference variable 's'.

• Stack memory is used for storing method calls and local variables, while heap memory is used for storing objects.

• @Autowired is used in Spring Framework for automatic dependency injection.

• It eliminates the need for manu...read more
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Question on blood relation

Cover array and string

Q1. Tell me about your self
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