Which Of These Methods Is Called When Observed Object Has #1055
Which of these methods is called when observed object has changed?
This multiple choice question (MCQ) is related to the book/course
gs gs128 Java.
It can also be found in
gs gs128 Java Util More Utility Classes - Java Observable & Timer Class - Quiz No.1.
Which of these methods is called when observed object has changed?
setChanged()
update()
notifyObserver()
all of the mentioned