Annalect Java Developer Interview Questions and Answers

Q1. Micro service disadvantage
Ans. 
Microservices can introduce complexity, communication overhead, and potential performance issues.
• Increased complexity due to managing multiple services

• Communication overhead between services

• Potential performance issues due to network latency

• Difficulty in maintaining consistency across services
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Q2. @functionalinterface can we extend or not, map & flatmap
Ans. 
No, @FunctionalInterface cannot be extended. Map and flatMap are default methods in the interface and cannot be overridden.
• No, @FunctionalInterface cannot be extended as it is a single abstract method interface.

• Map and flatMap are default methods in the interface and cannot be overridden.

• Example: public interface MyInterface { void myMethod(); default void myDefaultMethod() { // implementation } }
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Q1. Basics on Java 8, MySql, Linux
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Easy to normal level

Array and string questions

Q1. Questions related to JAVA language
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Q2. OOPS concept questions real life examples
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Q1. Java,sql,springboot
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Q1. Java, sql, spring, springboot, microservice, junit, puzzle or codinques
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Q1. Basic hr questions
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There were 100 Questions from the topics logical reasoning, core subjects and technology concepts.

There were 3 coding questions was of easy-medium leetcode questions from Arrays.

Q1. Exception handling
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