What is singleton service?
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What are wrapper classes in java?
What is the default value of byte datatype in java?
What is the purpose of the System class?
Is finalize() similar to a destructor?
What is the functionality of Webserver?
Is singleton set an interval?
What is join () in java?
What is multiple inheritance? Is it supported by java?
what is the difference between a java object reference and c++ pointer?
why pointer is not used in java?
why we cannot declare static variable inside a static method
What happens when heap memory is full?