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I was interviewed before Mar 2024.
Question on debugging and troubleshooting
I applied via Walk-in
Using Java 8, find the 2nd highest salary of employees.
Sort the salaries in descending order using Comparator
Skip the first highest salary to get the second highest
Handle edge cases like if there are less than 2 salaries
Encryption and decryption in Java Springboot ensures data security and confidentiality.
Protects sensitive data from unauthorized access
Meets compliance requirements for data protection
Secures communication between client and server
Examples: encrypting passwords, securing API endpoints
Using Java 8, we can find repeated characters in a given String.
Use streams and collectors to group characters by count
Filter out characters with count greater than 1
Collect the repeated characters into an array of strings
I applied via Campus Placement and was interviewed in Mar 2023. There were 3 interview rounds.
ChatGPT is the topic of group discussion and this interview scheduled by CDAC mumbai
Spring Boot is a framework that simplifies the development of Java applications by providing pre-configured settings and tools.
Spring Boot is used to create stand-alone, production-grade Spring-based Applications.
Database connection details are typically provided in the application.properties or application.yml file.
Example: spring.datasource.url=jdbc:mysql://localhost:3306/mydatabase
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I applied via Campus Placement and was interviewed before Jul 2021. There were 2 interview rounds.
I applied via Naukri.com and was interviewed before May 2021. There was 1 interview round.
I was interviewed in Jun 2017.
I applied via Campus Placement and was interviewed before Oct 2020. There was 1 interview round.
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...
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".
I applied via Naukri.com and was interviewed in Aug 2018. There were 5 interview rounds.
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...
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
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...
I applied via LinkedIn and was interviewed before Sep 2020. There was 1 interview round.
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