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Java 8 introduced several new features including lambda expressions, functional interfaces, streams, and default methods.
Lambda expressions allow you to write code in a more concise and readable way.
Functional interfaces enable the use of lambda expressions.
Streams provide a way to work with sequences of elements efficiently.
Default methods allow interfaces to have method implementations.
The new Date and Time API provi...
Spring Boot is a framework that simplifies the development of Java applications by providing pre-configured settings and tools.
Spring Boot eliminates the need for manual configuration by providing defaults for most settings.
It allows for standalone Spring applications that can be started with a simple 'java -jar' command.
Spring Boot includes embedded servers like Tomcat, Jetty, or Undertow for deploying web application...
I applied via LinkedIn and was interviewed in Mar 2024. There were 2 interview rounds.
Apti, reasoning, time= 1 hr, topics --> apti , reasoning
Heap is used for dynamic memory allocation, while stack is used for static memory allocation.
Heap memory is used for storing objects and is managed by the JVM, while stack memory is used for storing method calls and local variables.
Heap memory is larger in size compared to stack memory.
Heap memory is accessed randomly, while stack memory is accessed in a LIFO (Last In First Out) manner.
Examples: Objects created using t...
I applied via Naukri.com and was interviewed in Mar 2024. There was 1 interview round.
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Autowire is used in Spring framework to automatically inject dependencies into a bean.
Autowire eliminates the need for manual wiring of dependencies in Spring beans
It can be used with @Autowired annotation in Spring
There are different types of autowiring modes like 'byType', 'byName', 'constructor', 'no'
Example: @Autowired private UserService userService;
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To connect two databases in Spring Boot, you can configure multiple data sources and use JdbcTemplate or EntityManager.
Configure multiple data sources in application.properties or application.yml file
Define multiple DataSource beans in your configuration class
Use @Primary annotation to specify the primary data source
Use @Qualifier annotation to specify the secondary data source
Inject the data sources where needed and u...
I appeared for an interview in Dec 2023.
Object-oriented programming (OOP) is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
OOP is based on the concept of classes and objects.
Encapsulation, inheritance, and polymorphism are key principles of OOP.
Java is an example of an object-oriented programming language.
Polymorphism in Java allows objects of different classes to be treated as objects of a common superclass.
Polymorphism is achieved through method overriding and method overloading.
Method overriding allows a subclass to provide a specific implementation of a method that is already provided by its superclass.
Method overloading allows multiple methods with the same name but different parameters to coexist in the same class...
I applied via Company Website and was interviewed in Aug 2023. There was 1 interview round.
Sure iam perfectly this one answer
Superb the best one of the coding
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The duration of Accenture Java Developer interview process can vary, but typically it takes about less than 2 weeks to complete.
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