what is difference between abstract class and interface?
Answer Posted / bipin chandra sai.s
abstract means when don't have definition but it has only
declaration is called abstract class,and abstract class
also donot have any objects.
interface means in the concept of multiple inheritance we
use interface for declaring the subclasses instead of class
declaRATION we use interfaces
| Is This Answer Correct ? | 4 Yes | 0 No |
Post New Answer View All Answers
Four friends are given named Akansha, Anuska, Anisha, ... , ... Each of them live in a separate home and sleep on one bed. Akansha and Anuska have two extra beds, two of the house have green lawns while the rest have narrow porchs, One of the house has Airconditioner while the rest have fans
A son and father goes for boating in river upstream . After rowing for 1 mile son notices the hat of his fathe falling in the river.After 5 min. he tells his father that his hat has fallen. So they turn round and are able to pick the hat at the point from where they began boating after 5min. Tell the speed of river?
There are 600 tennis players 4% wear wrist band on one wrist Of the remaining, 25% wear wrist bands on both hands How many players don't wear a wrist band?
In the given quadratic equation, mx2+nx+o=0 .If the ratio of the sum of the roots and the product of roots is 2:7, what can be possible values of b and c?
In Madras, temperature at noon varies according to -t^2/2 + 8t + 3, where t is elapsed time. Find how much temperature more or less in 4pm to 9pm.
What is the smallest number by which 4880 must be divided in order to make it into a perfect square ?
One fast typist type some matter in 2hr and another slow typist type the same matter in 3hr. If both do combinedly in how much time they will finish.
How many mod 3 counters are required to construct mod 9 counter.
A chain is broken into three pieces of equal lengths containing 3 links each. It is taken to a blacksmith to join into a single continuous one. How many links are to to be opened to make it ?
i want rrb tc exam previous pepers
There are two queues at a discount store billing counter. In the first queue there are a1 customers all with b1 items in their cart, while in the second queue there are a2 customers all with b2 items in their cart. It takes t seconds to process each item and p seconds for each person to pay. A customer wishes to know which queue to join.Which one of these options gives the condition for the first queue to be the better queue to join?
If A=Z, B=Y, C=X, .......... Z=A, Then POCKET = ?
A family has several children. Each boy in this family has as many sisters as brothers but each girl has twice as many brothers as sisters. How many brothers and sisters are there?
What percent of 60 is 12?
In how many rows will 200 Miranda bottles be placed, if 200 Miranda bottles are stacked in such a way that there are 20 bottles in the bottom, 19 in the next row, 18 in the row next and so on?