Assume a thread has lock on it, calling sleep() method on that thread will release the lock?
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what is mutability?which one is mutable String or StringBuffer?and why?give examples of each which shows the mutability of each String or StringBuffer
can we have function for truncating the sign as like abs in oracle.
What is data abstraction? Elaborate with example?
Why there are some null interface in JAVA? What does it mean? Give some null interface in JAVA?
Why Java doesn’t support multiple inheritance?
I have a Person object with 5 variables and I want to store them in a file called Person.txt. What should I do?
What are mutable classes?
In java how do we copy objects?
What is %d in printf?
Why Java is not purely object oriented?
50 Answers Elitecore, Persistent, Reliance, Wipro,
Why can't we override private static methods?
What language is pass by reference?