Java Networking - Sockets and RMI Interview Questions and Answers

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Java Networking - Sockets and RMI Programming interview questions and answers.

  1. Java Networking - Sockets and RMI questions updated at 01 Jul 10 in Category Java Programing and visited 761 Times

Java Networking - Sockets and RMI Questions and Answers:

1 :: What interface must an object implement before it can be written to a stream as an object?

An object must implement the Serializable or Externalizable interface before it can be written to a stream as an object.
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2 :: What is the difference between the File and RandomAccessFile classes?

The File class encapsulates the files and directories of the local file system. The RandomAccessFile class provides the methods needed to directly access data contained in any part of a file.
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3 :: What is RMI?

RMI is a set of APIs that allows to build distributed applications. RMI uses interfaces to define remote objects to turn local method invocations into remote method invocations.
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4 :: What does RMI stand for?

It stands for Remote Method Invocation.
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5 :: When MalformedURLException and UnknownHostException throws?

When the specified URL is not connected then the URL throw MalformedURLException and If InetAddress? methods getByName and getLocalHost are unable to resolve the host name they throw an UnknownHostException.
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