Revature Java Developer Interview Questions and Answers

Q1. SDLC process and how it is implemented in project
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Q2. About projects, it's Objective, the role I have worked, output
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Q3. Data structure, DBMS concepts
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Q1. What is kafka? how to implement it
Ans. 
Kafka is a distributed streaming platform used for building real-time data pipelines and streaming applications.
• Kafka is designed to handle high-throughput, fault-tolerant, and scalable real-time data streams.

• It uses topics to categorize data streams, producers publish messages to topics, and consumers subscribe to topics to process messages.

• Kafka can be implemented using Kafka APIs in Java, Scala, or other programming...read more
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Q2. What is Oauth and what is use of it?
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OAuth is an open standard for access delegation, commonly used as a way for Internet users to grant websites or applications access to their information on other websites but without giving them the passwords.
• OAuth allows users to grant access to their information on one site to another site without sharing their credentials.

• It is commonly used for authentication and authorization in APIs.

• OAuth uses tokens to access re...read more
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Q1. Data structures Core java Spring boot Hibernate
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Java,ETL (Power centre designing),SQL

Java,ETL(Power centre designing),SQL

Q1. Discuss about salary
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Q2. What is the annual income
Ans. 
The annual income varies depending on factors such as experience, location, and job role.
• Annual income for Java Developers can range from $60,000 to $150,000 or more.

• Factors influencing income include years of experience, skill level, and the company's location and size.

• Senior Java Developers with extensive experience and expertise may earn higher salaries.

• Income can also be influenced by additional benefits such as bo...read more
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The codinds questions were too easy.

Q1. Cover the OOPS, Exception Handling, Collections,Arrays, Strings
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18 non technical MCQ question with Aptitude, English

Q1. Check Palindrome
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A palindrome is a word, phrase, number, or other sequence of characters that reads the same forward and backward.
• Create a function to check if a given string is a palindrome.

• Remove all non-alphanumeric characters and convert the string to lowercase before checking.

• Compare characters from both ends of the string to determine if it is a palindrome.
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Q2. Compare the object using Instance of Keyword
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Instance of keyword is used to compare an object to a specified class type.
• Instance of keyword returns true if the object is an instance of the specified class.

• It can be used to check if an object is of a specific class type before casting.

• Example: if(obj instanceof String) { // do something }
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Q3. Method overloading and Method Overriding program
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Aptitude, logical, verbal , technical - java, spring, hibernate, sql - MCQS.

Q1. Basic java, springboot, spring security questions, based on resume
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Q1. Manager round, technical
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