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C-Edge Technologies Java Developer Interview Questions, Process, and Tips

Updated 19 Dec 2024

Top C-Edge Technologies Java Developer Interview Questions and Answers

View all 13 questions

C-Edge Technologies Java Developer Interview Experiences

5 interviews found

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Walk-in and was interviewed in Oct 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

Some coding questions

Round 2 - Technical 

(2 Questions)

  • Q1. What is exception propogation in java?
  • Ans. 

    Exception propagation in Java is the process of passing an exception from one method to another in the call stack.

    • Exceptions can be thrown in a method and propagated up the call stack until they are caught and handled.

    • If an exception is not caught in a method, it will be propagated to the calling method.

    • This continues until the exception is caught or reaches the top of the call stack.

    • Example: If a method 'A' calls meth...

  • Answered by AI
  • Q2. Expalin JDBC and return type of statement?
  • Ans. 

    JDBC is a Java API for connecting and executing SQL queries on databases. The return type of a statement in JDBC is boolean.

    • JDBC stands for Java Database Connectivity.

    • It allows Java programs to interact with databases using SQL queries.

    • The return type of a statement in JDBC is boolean, indicating whether the query was successfully executed.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepare they gonna ask you to write a code.

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed in Jul 2024. There were 3 interview rounds.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Why Strings are immutable in java?
  • Ans. 

    Strings are immutable in Java to ensure thread safety, security, and optimization.

    • Immutable strings are thread-safe as they cannot be modified concurrently by multiple threads.

    • Immutable strings enhance security by preventing malicious code from altering the string content.

    • String interning is possible due to immutability, allowing for memory optimization.

    • Examples: String str = "Hello"; str.concat(" World"); // This does

  • Answered by AI
  • Q2. What is difference between runnable and callable in java?
  • Ans. 

    Runnable is a functional interface with a run() method, while Callable is a functional interface with a call() method that can return a result or throw an exception.

    • Runnable does not return a result or throw a checked exception, while Callable can return a result or throw a checked exception.

    • Callable is used in scenarios where you need to return a result or handle checked exceptions, while Runnable is used for simple t...

  • Answered by AI
Round 2 - One-on-one 

(2 Questions)

  • Q1. How does spring auto configuration works?
  • Ans. 

    Spring auto configuration automatically configures Spring beans based on classpath and property settings.

    • Spring scans classpath for certain annotations like @Component, @Service, @Repository, @Controller, etc.

    • Based on these annotations and property settings, Spring automatically configures beans.

    • Auto configuration can be customized using @Conditional annotations or configuration classes.

    • Example: @SpringBootApplication ...

  • Answered by AI
  • Q2. Second level cache in hibernate?
  • Ans. 

    Second level cache in Hibernate is used to cache data at the session factory level to reduce database hits.

    • Second level cache stores objects across sessions to reduce database calls

    • Improves performance by reducing database hits

    • Configurable cache providers like Ehcache, Infinispan can be used

  • Answered by AI
Round 3 - One-on-one 

(2 Questions)

  • Q1. What was your role in your team?
  • Ans. 

    I was responsible for designing and developing Java applications, collaborating with team members, and troubleshooting issues.

    • Designed and developed Java applications according to project requirements

    • Collaborated with team members to ensure smooth project execution

    • Troubleshooted and resolved any issues that arose during development

  • Answered by AI
  • Q2. Tell me about transaction management in spring.
  • Ans. 

    Transaction management in Spring helps in managing database transactions in a consistent and reliable manner.

    • Spring provides support for both programmatic and declarative transaction management.

    • Programmatic transaction management involves handling transactions in code using TransactionTemplate or PlatformTransactionManager.

    • Declarative transaction management involves using annotations like @Transactional to define trans...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Core java and basic spring boot questions will help a lot.

Skills evaluated in this interview

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Interview experience
4
Good
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before Dec 2023. There was 1 interview round.

Round 1 - Technical 

(5 Questions)

  • Q1. Return type of add method?
  • Ans. 

    The return type of the add method depends on the specific implementation and requirements of the program.

    • Return type can be int, double, void, or any other data type depending on what the method is supposed to do.

    • For example, an add method for adding two integers may have a return type of int.

    • If the add method is simply updating a value and not returning anything, the return type may be void.

  • Answered by AI
  • Q2. What spring boot annotations you used and how?
  • Ans. 

    I have used annotations like @RestController, @Autowired, @RequestMapping, @Service, @Component, @Repository in Spring Boot.

    • Used @RestController to define RESTful web services.

    • Used @Autowired to inject dependencies.

    • Used @RequestMapping to map web requests to specific handler methods.

    • Used @Service to mark a class as a service component.

    • Used @Component to mark a class as a Spring component.

    • Used @Repository to mark a clas

  • Answered by AI
  • Q3. Tell me about your previouse projects
  • Ans. 

    I have worked on various projects including e-commerce websites, financial management systems, and mobile applications.

    • Developed an e-commerce website using Java Spring framework

    • Implemented financial management system with Java EE technologies

    • Created mobile applications using Android Studio and Java

  • Answered by AI
  • Q4. How to optimize queries
  • Ans. 

    Optimizing queries involves using indexes, limiting result sets, avoiding unnecessary joins, and optimizing database schema.

    • Use indexes on columns frequently used in WHERE clauses

    • Limit result sets by using pagination or filtering

    • Avoid unnecessary joins by denormalizing data or using subqueries

    • Optimize database schema by reducing redundancy and normalizing data

  • Answered by AI
  • Q5. What is thread safety
  • Ans. 

    Thread safety ensures that shared data is accessed and modified by multiple threads in a safe and consistent manner.

    • Thread safety is important in multi-threaded programming to prevent race conditions and ensure data integrity.

    • It can be achieved through synchronization mechanisms like locks, mutexes, and atomic operations.

    • For example, using synchronized keyword in Java to protect critical sections of code from concurren

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - No work , old technologies. no scope for latest trends. dominating Team leads. Worlds most rude HR department. They tell you different package at first and give less while joining. they do it with everyone.
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Naukri.com and was interviewed in Oct 2023. There were 3 interview rounds.

Round 1 - One-on-one 

(1 Question)

  • Q1. Resume-related questions
Round 2 - One-on-one 

(1 Question)

  • Q1. Resume-related questions
Round 3 - HR 

(1 Question)

  • Q1. HR discussions round !

C-Edge Technologies interview questions for designations

 Junior Java Developer

 (1)

 System Analyst

 (6)

 Assistant System Analyst

 (4)

 System Administrator

 (1)

 Network Engineer

 (1)

 Manual Test Engineer

 (1)

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(2 Questions)

  • Q1. What are arrays
  • Ans. 

    Arrays are a data structure that stores a collection of elements of the same data type in a contiguous memory location.

    • Arrays have a fixed size determined at the time of declaration.

    • Elements in an array are accessed using an index starting from 0.

    • Example: String[] names = new String[5];

  • Answered by AI
  • Q2. Data structures in java
  • Ans. 

    Data structures in Java are used to store and organize data efficiently.

    • Java provides built-in data structures like arrays, lists, sets, maps, queues, and stacks.

    • Arrays are used to store a fixed-size collection of elements of the same data type.

    • Lists like ArrayList and LinkedList can dynamically grow and shrink in size.

    • Sets ensure unique elements and maps store key-value pairs.

    • Queues follow the FIFO (First In First Out...

  • Answered by AI

Skills evaluated in this interview

Get interview-ready with Top C-Edge Technologies Interview Questions

Interview questions from similar companies

I applied via Campus Placement and was interviewed before Jul 2021. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. 1 . Oops concept in detail 2 DBMS 3. Data base query
Round 2 - HR 

(1 Question)

  • Q1. Document verification

Interview Preparation Tips

Interview preparation tips for other job seekers - For freshers should be clear on basic concepts.
For experienced should be detailed knowledge on their domain.

I applied via Naukri.com and was interviewed before May 2021. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Basic java concepts like collection frame work, exception handling

Interview Preparation Tips

Interview preparation tips for other job seekers - Learn basics well, be confident, show you are flexible enough to learn

I was interviewed in Jun 2017.

Interview Preparation Tips

Round: Technical Interview
Experience: They asked java basics,
what we wrote in resume will ask
about project
Tips: please prepare basics things

I applied via Campus Placement and was interviewed before Oct 2020. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. What is encapsulation ?
  • Ans. 

    Encapsulation is the process of hiding implementation details and providing access to only necessary information.

    • Encapsulation helps in achieving data abstraction and information hiding.

    • It allows for better control over data and prevents unauthorized access.

    • In Java, encapsulation is achieved through the use of access modifiers such as private, public, and protected.

    • For example, a class may have private variables that c...

  • Answered by AI
  • Q2. What is the meaning of string.
  • Ans. 

    A string is a sequence of characters used to represent text in programming.

    • Strings are often used for storing and manipulating text data.

    • In Java, strings are represented by the String class.

    • Strings can be concatenated using the + operator.

    • Strings are immutable, meaning they cannot be changed once created.

    • Examples of string literals include "hello world" and "42".

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - do not tell about salary expectations

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in Aug 2018. There were 5 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. 1.Core java 2.Spring 3. Hibernate 4. Spring Boot 5. SQL 6. AngularJS
  • Ans. 

    The question is asking about the candidate's knowledge in Core Java, Spring, Hibernate, Spring Boot, SQL, and AngularJS.

    • Core Java is the foundation of Java programming language.

    • Spring is a popular framework for building Java applications.

    • Hibernate is an ORM tool used for mapping Java objects to database tables.

    • Spring Boot is a framework for building microservices.

    • SQL is a language used for managing relational databases...

  • Answered by AI
  • Q2. 1. How to connect 2 DBs from spring boot application
  • Ans. 

    To connect 2 DBs from a Spring Boot application, configure multiple data sources and use JdbcTemplate or EntityManager for each DB.

    • Configure multiple data sources in the application.properties file

    • Create separate configuration classes for each data source

    • Use JdbcTemplate or EntityManager to interact with each DB

    • Specify the appropriate data source in the repository or service classes

  • Answered by AI
  • Q3. 2. Difference between abstract method implementation and default method
  • Ans. 

    Abstract method implementation is mandatory while default method is optional.

    • Abstract method has no implementation in the abstract class and must be implemented by the subclass.

    • Default method has a default implementation in the interface and can be overridden by the implementing class.

    • Abstract method is used to enforce a contract while default method is used to provide a default behavior.

    • Example: abstract method - publ...

  • Answered by AI
  • Q4. 1. About salary and expectation

Interview Preparation Tips

Round: Test
Experience: Technical written test

General Tips: Terrible interview. HR told to give 11% hike with 6% variable and 5% fixed. I kicked off the company.
Skills: Web Technologies, Java Application Development
Duration: 1-4 weeks

Skills evaluated in this interview

C-Edge Technologies Interview FAQs

How many rounds are there in C-Edge Technologies Java Developer interview?
C-Edge Technologies interview process usually has 2 rounds. The most common rounds in the C-Edge Technologies interview process are One-on-one Round, Technical and HR.
How to prepare for C-Edge Technologies Java Developer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at C-Edge Technologies. The most common topics and skills that interviewers at C-Edge Technologies expect are Java, Spring, SQL, Hibernate and Spring Boot.
What are the top questions asked in C-Edge Technologies Java Developer interview?

Some of the top questions asked at the C-Edge Technologies Java Developer interview -

  1. What is difference between runnable and callable in ja...read more
  2. How does spring auto configuration wor...read more
  3. what spring boot annotations you used and h...read more

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C-Edge Technologies Java Developer Interview Process

based on 5 interviews

1 Interview rounds

  • One-on-one Round
View more
C-Edge Technologies Java Developer Salary
based on 87 salaries
₹2 L/yr - ₹9 L/yr
17% less than the average Java Developer Salary in India
View more details

C-Edge Technologies Java Developer Reviews and Ratings

based on 7 reviews

4.4/5

Rating in categories

3.5

Skill development

4.1

Work-life balance

2.9

Salary

4.9

Job security

4.9

Company culture

3.2

Promotions

4.1

Work satisfaction

Explore 7 Reviews and Ratings
Java Developer

Thane

2-4 Yrs

Not Disclosed

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