Why scanner is used in java?
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What is meant by class?
how to handle exceptions in core applications?
What is the declaration statement?
How do you do a line break in java?
Why spring singleton is not thread safe?
What are the main uses of this keyword?
what is the difference between HashMap And HashTable?
What is the difference between a choice and a list?
Explain why wait(), notify() and notifyall() methods are in object class rather than in thread class?
What is the use of a copy constructor?
What is an object's lock and which object's have locks in java programming?
How many types of threads are there in java?