What is sleep method?
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where do we use init()
What are the advantages and disadvantages of reference counting in garbage collection?
How do you generate random numbers in java?
Does importing a package imports its sub-packages as well in java?
What do you understand by garbage collection in Java? Can it be forced to run?
Can we use switch statement with strings?
how exactly garbage collection take place?
What is the difference between serializable and externalizable interfaces?
In java, what is the difference between method overloading and method overriding?
What is the scope or life time of instance variables?
What do you understand by casting in java language?
Difference between ?System.out.println? and ?System.error.println??