Is it compulsory to have atleast one abstract method in
abstract class?
Answer Posted / chandrasekhar.k
No,It is not mandatory, but sub class of abstract class
should be override by any one of the method from abstract
class .
Ex:i) javax.servlet.http.HttpServlet
ii) org.apache.struts.actions.DispatchAction, etc.,
| Is This Answer Correct ? | 8 Yes | 4 No |
Post New Answer View All Answers
What are the new features in java 8? Explain
Explain OOPs concept.
What is the difference between dom and sax parser in java?
What are the major advantages of internal iteration over external iteration?
What is Mutex (Mutual Exclusion Object) ?
Why does java doesnt suuport unsigned values?
Does treeset use compareto?
How to make a non daemon thread as daemon?
What is oops in java?
Explain about oops concepts.
What is the Difference between Final Class && Abstract Class?
What is an i/o filter?
What is array class in java?
Explain the difference between an object-oriented programming language and object-based programming language?
Which command from the jdk compiles a java program?