Why use a datasource when you can directly specify a
connection details? (in a J2EE application)
- 1 Answers
- 3453 Views
- I also Faced
- E-Mail Answers
Answer / anand
Because, it would be really difficult to specify the connection details in every method that access the database. Instead, if we create a data source, it can be used to connect to the database in every method we want.
| Is This Answer Correct ? | 5 Yes | 1 No |
If we opened windows notepad 4 times, does it starts 4 processes or 4 threads?
1) Scenario: I developed my application on local system and everything is perfect and tested. Now on UAT this application is deployed on clustered server environment. They are logical or physically clustered. But application is not working over there.  What is the issue with application?  What are the first things which come in your mind?
How many times may an objects finalize() method be invoked by the garbage collector?
Does Java pass arguments by value or reference?
Explain ioc concept?
int x=5,i=1,y=0; while(i<=5) { y=x++ + ++x; i=i+2; } System.out.println(x); System.out.println(y); System.out.println(i); How to solve this? Please explain!
What is a task?s priority?
What method is invoked to cause an object to begin executing as a separate thread?
What is the argument type of a programs main() method?
What is daemon thread?
Why won’t the jvm terminate when I close all the application windows?
If I wanted to use a solarisui for just a jtabbedpane, and the metal ui for everything else, how would I do that?
Core Java 
