Answer Posted / supriya
Subclass of Observable class maintain a list of observers.
Whenever an Observable object is updated, it invokes the
update() method of each of its observers to notify the
observers that it has a changed state.
An observer is any object that implements the interface
Observer.
| Is This Answer Correct ? | 2 Yes | 1 No |
Post New Answer View All Answers
What is the difference between C++ and Java and your preferences?
What is java life cycle?
Can we have more than one package statement in source file ?
What is a list in java?
Hi friends am new to java. I read jar file means collection of java files. For executing struts application what are the necessary jar files. " struts.jar " file contains what. can u explain
Explain what access modifiers can be used for methods?
What is factor r?
why java uses class level type casting ?
Is arraylist zero based?
Can we define constructor in inner class?
How to do a true java ping from windows?
What is the meaning of 3 dots in java?
What is assembly used for?
Is string pool garbage collected?
How static variable work in java?
