What is Connection pooling? Explain Pros and Cons?
Connection pooling is the process of resuing the database
connections between application and the server to increase
in the perfaomance of the application.
Is This Answer Correct ? | 9 Yes | 1 No |
Explain the significance of class loaders in bootstrap?
Can we declare an interface as final?
Why java applets are more useful for intranets as compared to internet?
What is the difference between Byte stream and Charecter Stream?
What is the differences between c++ and java? Explain
Is delete, next, main, exit or null keyword in java?
Write a java program to find the route that connects between Red and Green Cells. General Rules for traversal 1. You can traverse from one cell to another vertically, horizontally or diagonally. 2. You cannot traverse through Black cells. 3. There should be only one Red and Green cell and at least one of each should be present. Otherwise the array is invalid. 4. You cannot revisit a cell that you have already traversed. 5. The maze need not be in the same as given in the above example
Why is an interface be able to extend more than one interface but a class can’t extend more than one class?
What do you meant by active and passive objects?
how to handle exceptions in ejb?
is it mandatory to deaclare all variables public static fianl in interfaces?if i declare like in the below program, public interface A { public static final int I=0; int j=0; } in interface A,what is the difference between I,j?
Differentiate between stringbuffer and string?