Can a class be final?
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When can we say that threads are not lightweight process in java?
What is nested interface?
Is it possible to compare various strings with the help of == operator?
what happens when a thread cannot acquire a lock on an object? : Java thread
Name few java.lang classes introduced with java 8 ?
What is Connection pooling? Explain Pros and Cons?
Need to use public,static keywords in main function?
I want my class to be developed in such a way that no other class (even derived class) can create its objects. Define how can I do so?
What is design pattern and there types?
What is the purpose of java?
What does three dots mean in java?
garbate collector(GC)?