What is autoboxing and unboxing?
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How many methods does cloneable interface contains?
Can a serialized object be transferred via network?
What is the difference between yielding and sleeping?
What do you mean by data type?
What is the difference between the synchronized() & static synchronized()?
Add a value x to array from index l to r where 0 <= l <= r <= n-1
how u do unit testing?
Can we declare a class as abstract without having any abstract method?
When is the finally clause of a try-catch-finally statement executed?
Is this valid in java ? Can we instantiate interface in java?
Does apple use java?
please tell me what is wrapper class in java with example ?