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
How to perform merge sort in java?
Can an interface be final?
What is a newline character in java?
Can java arraylist hold different types?
Can a constructor be made final?
How we can declare a static variable?
Is java jre still free?
What does regex mean?
What is java and their uses?
What technique can be employed to compare two strings?
Is singleton class thread safe?
How do I know if java is installed?
What is stack explain?
What are the two parts of a conditional statement?
Can you access non static variable in static context?