Java Programming and Technical General Ability General Knowledge

Q. What is a Java Bean?

A. A Java Bean is a software component that has been designed to be reusable in a variety of different environments.

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it will create object only one time and reused same object number of times
7 years agoHelpfull: Yes(0) No(0)

Java Other Question

Q. What is RMI architecture?

A. RMI architecture consists of four layers and each layer performs specific functions: a) Application layer - contains the actual object definition. b) Proxy layer - consists of stub and skeleton. c) Remote
Reference layer - gets the stream of bytes from the transport layer and sends it to the proxy layer. d) Transportation layer - responsible for handling the actual machine-to-machine communication. Q. What are checked exceptions?

A. Checked exception are those which the Java compiler forces you to catch. e.g. IOException are checked Exceptions