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Struts is a framework for building Java web applications based on the Model-View-Controller (MVC) design pattern.
Struts framework is based on MVC architecture
It uses ActionServlet as the controller
Struts configuration is done using XML files like struts-config.xml
It provides built-in support for form validation and error handling
Struts actions are mapped to URLs in struts-config.xml
I applied via Naukri.com and was interviewed in Apr 2022. There were 2 interview rounds.
HANA is an in-memory database platform while ECC is a traditional ERP system.
HANA is designed to handle large amounts of data in real-time while ECC is not optimized for real-time processing.
HANA uses column-based storage while ECC uses row-based storage.
HANA has a simpler data model and can handle unstructured data while ECC has a more complex data model.
HANA is a newer technology while ECC has been around for decades...
I appeared for an interview in Mar 2022.
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I applied via Campus Placement and was interviewed before Aug 2020. There were 4 interview rounds.
Java 8 introduces lambda expressions, functional interfaces, streams, and default methods.
Lambda expressions allow functional programming in Java
Functional interfaces enable the use of lambda expressions
Streams provide a concise way to perform operations on collections
Default methods allow interfaces to have implementation
Date and Time API improvements
Nashorn JavaScript engine
JPA stands for Java Persistence API, a specification for object-relational mapping in Java applications.
JPA is used to map Java objects to relational database tables.
It provides a set of annotations to define the mapping between Java classes and database tables.
JPA also supports querying data using the Java Persistence Query Language (JPQL).
I applied via Recruitment Consultant and was interviewed in Jan 2021. There were 3 interview rounds.
I applied via Campus Placement and was interviewed before Jul 2020. There were 4 interview rounds.
I applied via Campus Placement and was interviewed before Nov 2021. There were 2 interview rounds.
I applied via Naukri.com and was interviewed in Nov 2020. There was 1 interview round.
I applied via Walk-in and was interviewed before Feb 2021. There were 3 interview rounds.
Handled a difficult project involving complex data migration and integration
Had to understand the existing data structure and map it to the new system
Dealt with multiple data sources and formats
Ensured data integrity and accuracy throughout the migration process
Collaborated with cross-functional teams to ensure successful integration
Implemented automated testing to validate data migration and integration
Managed project...
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