Aurionpro Solutions Java Developer Interview Questions and Answers

Q1. Goals for the future
Ans. 
To become a senior Java developer and contribute to innovative projects in a collaborative team environment.
• Continue learning new technologies and best practices in Java development

• Work on challenging projects to enhance problem-solving skills

• Collaborate with team members to share knowledge and improve code quality
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Q2. How do you think you can impact our company
Ans. 
I believe my strong Java skills and problem-solving abilities can positively impact the company by improving efficiency and developing innovative solutions.
• I have experience in developing efficient and scalable Java applications, which can help streamline processes within the company.

• I am skilled in identifying and solving complex technical issues, which can contribute to the overall success of projects.

• I am proactive ...read more
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Q1. Try, catch, finally...
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Q2. HTTP families (400,200,500)
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Q1. Why String is immutable
Ans. 
String is immutable in Java to ensure security, thread safety, and optimization.
• Immutable strings are thread-safe as they cannot be modified concurrently.

• String pooling allows for memory optimization by reusing existing string objects.

• Immutable strings prevent malicious code from altering sensitive data.

• String immutability simplifies string manipulation and caching implementations.
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Q2. Spring Security
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Q3. Authentication and authorization
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Q4. Java 8 features
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Q1. First question is based on sql query
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Q2. Second they asked oops concepts in java
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Q1. Core java questions
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Q2. Sql basics question
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Q3. Two java coding question
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Q1. Agile/scrum questions
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Q2. Experience related questions
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Q1. Salary expectations
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Online coding 5 question easy to hard time given is 2hrs

Q1. Easy Questions - Oops Concept . real life examples Abstract Class Inheritance difference Final vs immutable Spring Concepts - dependency injection,about @autowired
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Q1. English Test - Speaking Fluent Eglish
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Polymorphism ,table print ,reverse

Reasoning, english synonyms,math, opposite words

Oops ,collection, thread, Servlet ,JSP, databases

Find min ,max and second largest (avoid duplicates)using streams

Q1. Multiple inheritance , encapsulation, Collections-Hashmap,Set,list etc with coding questions, substrings,
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Q2. Checked and unchecked expections with example
Ans. 
Checked exceptions are checked at compile time, while unchecked exceptions are not.
• Checked exceptions must be either caught or declared in the method signature using 'throws'

• Unchecked exceptions do not need to be caught or declared

• Example of checked exception: IOException

• Example of unchecked exception: NullPointerException
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Q3. Spring boot annotations
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Q4. Java 8 features,stream api,lambda with coding
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