Crisil Java Full Stack Developer Interview Questions and Answers

Q1. Any basic concepts of java full stack developer
Ans. 
Java Full Stack Developer should have knowledge of both front-end and back-end development using Java technologies.
• Java programming language

• Spring Framework

• Hibernate

• HTML/CSS/JavaScript

• RESTful APIs

• Database management

• Version control systems
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Q2. Any basic concepts of core java and SQL
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Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. Share details of your previous job.
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Q4. Why should we hire you?
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Q5. Why are you looking for a change?
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Q6. Where do you see yourself in 5 years?
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Q7. What are your strengths and weaknesses?
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Q8. Tell me about yourself.
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Q9. My self and my basic performance
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Q10. My strength and and weakness
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Q1. My basic concepts of core Java and SQL performance
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Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. Why should we hire you?
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Q4. Where do you see yourself in 5 years?
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Q5. What are your strengths and weaknesses?
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Q6. Tell me about yourself.
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Q1. My knowledge and my complete core Java
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Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. Why should we hire you?
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Q4. Where do you see yourself in 5 years?
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Q5. What are your strengths and weaknesses?
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Q6. Tell me about yourself.
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Q7. My overall my communication skills
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Q1. My complete java full stack developer basic concepts
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Q1. My strength and and my weakness
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Coding programming

Q1. Serialisation and it's working Finally,finalize,final difference Exceptions catch order Transient,volatile Object class Method hiding Coding using hashmap Reverse a string without inbuilt functions SQL f...read more
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Q1. OOPS concepts Spring core Hibernate
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Q1. Goal after five years
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Q1. Typical theory questions realted to Java colllection, Java memory management, spring.
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Q1. Questions in this round were more related to nitty gritty of Java and spring, like what will happen if you just overrride equals and not hashcode, what will happend if you swap stereotype annotations,
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Q1. Explaining current project and some easy questions on it. Chit chat about team and working condition
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Q1. In this round someone from a different team that you will be joining will ask technical question of easy to medium degree of difficulty related to Java, angular and spring
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Q1. Typical questions on DOJ salary, wfh etc
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Q1. How do you connect to database with java and update data ?
Ans. 
To connect to a database with Java and update data, use JDBC API.
• Load the JDBC driver

• Establish a connection to the database using DriverManager.getConnection()

• Create a Statement object using the connection.createStatement() method

• Execute the SQL query using the Statement.executeUpdate() method

• Close the connection and statement objects
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Q2. What are th annotations do you use in Spring boot application
Ans. 
Annotations used in Spring Boot applications
• @SpringBootApplication - main annotation to enable Spring Boot features

• @RestController - to define RESTful web services

• @Autowired - to inject dependencies

• @GetMapping, @PostMapping, @PutMapping, @DeleteMapping - to map HTTP requests to methods

• @PathVariable - to extract values from the URI

• @RequestBody - to bind the request body to a Java object

• @ResponseStatus - to set th...read more
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They have 2 quests
1-Given an arrays of ages sorted lowest to highest
output the number of occurences for each age.

Write SQL query to output the channel with maximum number of videos.

Q1. Same coding questions and about the profile mostly
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Q2. He asked more on java
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Q1. About in depth in Reactjs, MUI, Spring boot, Java. Sql query.
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Q2. Explain React and it's components and states,redux etc.
Ans. 
React is a JavaScript library for building user interfaces.
• React is component-based, meaning UI is broken down into reusable pieces

• Components can have states, which are mutable data that affect rendering

• Redux is a state management library that can be used with React

• Redux helps manage complex states and data flow in larger applications
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Q3. Core Java, how to create API,etc.
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