which class or interface defines the wait notify and notifyall methods, Threading, Java

Test
- Model Test
- Quiz 1: Java Programming
Index

Question:Which class or interface defines the wait(), notify(),and notifyAll() methods?

A Object 
B Thread 
C Runnable 
D Class

/15

+ AnswerA

+ ExplanationThe Object class defines these thread-specific methods.

Option B, C, and D are incorrect because they do not define these methods. And yes, the Java API does define a class called Class, though you do not need to know it for the exam.

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