Explain JPA in Java.
Answer / nashiinformaticssolutions
The Java Persistence API enables us to create the persistence layer for desktop and web applications. Java Persistence deals in the following:
1. Java Persistence API
2. Query Language
3. Java Persistence Criteria API
4. Object Mapping Metadata
| Is This Answer Correct ? | 0 Yes | 0 No |
we r taking <load-on-startup>0</load-on-startup> <load-on-startup>1</load-on-startup> in deployment descripter for loading servlets like serv1 N serv2? so 'll it take serv1 or serv2
printstream class method println() is calling using System class and its static object out .how it is explain any one in detail with example ?
What is the difference between the paint() and repaint() methods in java programming?
Is it safe for adding 10,00,000 records/objects to HashMap?, i.e is it safe to add millions of objects to HashMap?
What is :: operator in java?
Explain java coding standards for methods?
What are thread groups?
I need some details about an employee. i have only the employee id in my presentation layer(JSP).I entered that ID and click "Show Details" Button. Question is how the JSP pass that id to Controller layer and DAO and what mechanism we are using to retrive data from DB and how the data passed to JSP as a Output. Please explain in detail.
What is meant by bytecode?
What is sorting in java?
If A Class Is Declared Without Any Access Modifiers, Where May The Class Be Accessed?
How to reverse a string in java?