Why wait() and notify() are always called from Synchronized context?

Hello guys, multithreading and concurrency are some of the most important topics for Java interviews and a good knowledge of them goes a long way in receiving a good offer.

In the past few posts, I have shared popular Java interview questions like How ConcurrentHashMap work in Java? Why String is Immutable and What is the difference between List, List<Object> and today, I am going to share another popular Java multithreading interview question, why wait() and notify() methods are called in synchronized context?

From synchronized context, I mean from a synchrnonized method or a synchronized block.

But before that let’s find out what is wait() and notify() method in Java and why are they improtant?