Explain creating threads by extending thread class ?
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What is the need to implement Serializable interface (with no methods) for objects which are to be serialized ? We can write our own functionality which writes objects to streams then why we need to implement and tell JVM that which objects can be serialized.
What is Hierarchy of exception?
When should we create our own custom exception classes?
Can we create an object of static class in java?
why the constructor should be used in class,if there is no constructor what will happen?
Which is better 64 bit or 32 bit?
Is java free for businesses?
What is Distributed Application and what is its usage?
System.out.println(101/14) what is the output? a)6 b)14 c)7.14 d)0
What is the difference between an interface and an abstract class?
What is method Overriding in the perspective of OOPS?
why operator overloading is removed in java?