Why use rmi when we can handle the same benefits from ejb?, EJBs are distri...

EJBs are distributed elements, which need the RMI framework for object distribution. An EJB application server gives more services like object pooling, transaction management, data

What is public static void main signifies, What is 'public static void main...

What is 'public static void main (String args[ ] ) ' signifies? Access specifier is the 'public' keyword. 'static' keyword allows main() to called without instantiating

Authentication -security component, Authentication is basically an identifi...

Authentication is basically an identification step. Functionality used for J2EE security: Principal : An entity that may be authenticated and identified. Principal n

Difference between stringbuffer and string class, Define the difference be...

Define the difference between StringBuffer and String class?

Smugglers decodes , Smugglers are becoming very smart day by day. Now they ...

Smugglers are becoming very smart day by day. Now they have developed a new technique of sending their messages from one smuggler to another. In their new technology, they are send

Pessimistic and Optimistic concurrency control?,

Spring framework, Spring framework The Spring framework is the leading...

Spring framework The Spring framework is the leading full-stack J2EE /JAVA application framework. Not like other applications, Spring does not expose itself on the design of a

Explain what is local variable, Explain what is Local Variable ? Declar...

Explain what is Local Variable ? Declaring variables (using the var keyword) inside a function forms them local. They are available only inside the function and hold no meaning

Explain the both hashset and treeset, Explain the both HashSet and TreeSet?...

Explain the both HashSet and TreeSet? HashSet is an unordered, unsorted Set. It's a Collection set which restrict duplicate elements and also repositioning of elements. I

Java project illustrate sequential and selection programming, This project ...

This project focuses on demonstrating the understanding of data types, input/output, sequential and selection programming statements, and mathematical operations. The project re