What are invisible components?.
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How do you get the length of a string in java?
What are the uses of synchronized keyword?
What are the core java topics?
what is the output ? Math.floor(-2.1) a)2 b)-2 c)-3.0 d)0
Can a private method be declared as static?
Can we modify the throws clause of the superclass method while overriding it in the subclass?
Can a variable be local and static at the same time?
Why sleep()is in Thread and wait() in Object class? Why can't I have both in one class or vice versa?
If set accepts only one argument then how can it compare two objects to avoid duplicates
Can sleep() method causes another thread to sleep?
What is Hash Code in Java?
What is size_t?