What is Connection pooling? Explain Pros and Cons?






What is Connection pooling? Explain Pros and Cons?..

Answer / niranjanravi

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

Post New Answer




More Core Java Interview Questions

Does Java support multiple Inheritance?

12 Answers  


3.2 Consider the following class: public class Point { protected int x, y; public Point(int xx, int yy) { x = xx; y = yy; } public Point() { this(0, 0); } public int getx() { return x; } public int gety() { return y; } public String toString() { return "("+x+", "+y+")"; } } Say you wanted to define a rectangle class that stored its top left corner and its height and width as fields. 3.2.1 Why would it be wrong to make Rectangle inherit from Point (where in fact it would inherit the x and y coordinates for its top left corner and you could just add the height and width as additional fields)? (1) 8 Now consider the following skeleton of the Rectangle class: public class Rectangle { private Point topLeft; private int height, width; public Rectangle(Point tl, int h, int w) { topLeft = tl; height = h; width = w; } public Rectangle() { this(new Point(), 0, 0); } // methods come here } 3.2.2 Explain the no-argument constructor of the Rectangle class given above. 3.2.3 Write methods for the Rectangle class to do the following: • a toString() method that returns a string of the format "top left = (x, y); height = h; width = w " where x, y, h and w are the appropriate integer values. • an above() method that tests whether one rectangle is completely above another (i.e. all y values of the one rectangle are greater than all y values of the other). For example, with the following declarations Rectangle r1 = new Rectangle(); Rectangle r2 = new Rectangle(new Point(2,2), 1, 4); the expression r2.above(r1) should give true, and r2.above (r2) should give false. (You can assume that the height of a rectangle is never negative.) (2) (5)

0 Answers  


difference throws and throw in java

3 Answers  


what is d difference between deep cloning and shallow cloning in core java?

3 Answers   Satyam,


If you are reviewing the code of your team members, what points will you look at, assuming the performance of the application is not so great

2 Answers   KPIT,






The following program is Overloading or Overriding? public class PolymorphismEx { public int sampleMethod(int a) { return a; } public String sampleMethod(int a) { return "Is it Overloading or Overriding???"; } }

4 Answers   TCS, Ness Technologies,


How do you sing an Applet ?

0 Answers  


hi to all,i have a question on static block. i saved below as test.java class test extends a { static { System.out.println("test static"); } public static void main(String []dfs) { } } class a { static { System.out.println("a static"); } public static void main(String []asdf) { } } o/p as static test static but if i change base class as test class then class test { static { System.out.println("test static"); } public static void main(String []dfs) { } } class a extends test { static { System.out.println("a static"); } public static void main(String []asdf) { } } o/p test static explain me why "a static" wasn't print in second code when it is in derived class

1 Answers  


if am have 100 threads(for ex:T1,T2---T100) how we give priority to these threads and how the system excute these threads

2 Answers  


Name the method that used to clear the buffer ?

2 Answers  


What modifiers are used with an inner class which is a member of an outerclass?

1 Answers  


Static Variable can referred in non-static method?

3 Answers  






Categories