Answer / nrayakwar

Multicast is used in networking.
it is used To transmit a single message to a select group
of recipients. in multicast, generally, we define a IP and
port for communication. we all send/receive message in form
of heartbeats to/from defined address.

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.

6 Answers   iFlex, Sapient,

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How to convert String into primitive datatype.

6 Answers  

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diff between abstract methods and interfaces with programing (code) example?

2 Answers  

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What about main thread in java?

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What is mutable object and immutable object?

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What is method overloading and method overriding?

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is it mandatory to deaclare all variables public static fianl in interfaces?if i declare like in the below program, public interface A { public static final int I=0; int j=0; } in interface A,what is the difference between I,j?

2 Answers  

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Can a class extend more than one class?

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Can a class be subclass of itself?

4 Answers  

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Default layout of panel and frame?

3 Answers  

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What Is Resource Leak?

2 Answers  

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What is meant by call by reference?

0 Answers  

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