Can the garbage collection be forced by any means?
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How will you serialize a singleton class without violating singleton pattern?
what are different ways in which a thread can enter the waiting state? : Java thread
how to print output with out using sop statements
What is the differnence between String Buffer and String builder despite having knowledge that String builder is faster than String Buffer and last one is threadsafe.please tell another important difference.
Explain the importance of throwable class and its methods?
What is a private class in java?
Can abstract class have private constructor?
Suppose if we have variable ' I ' in run method, if I can create one or more thread each thread will occupy a separate copy or same variable will be shared?
Which api is provided by java for operations on set of objects?
How do you differentiate abstract class from interface?
How will you measure that int takes up only 32 bits in memory?
what is difference between set and list in collection?