Java

1What is a java ?

 =Object orientated programming language.

 =Platform. =Technology.

 2Explain about java is platform?

 =Java application don’t run on os (operating system) directly .

 =Separate runtime infrastructure execution environment is required for the execution java applications.

 =Sun micro system divided java platform in to three categories.

                                                                     1. J2SE [ java to standard edition]

 2. J2EE [ java to Enterprise Edition]

  3. J2ME [java to micro Edition 

NOTE: -- Any java application that uses JDBC to communication with database is nothing but  JDBC application

     = Enterprise addition of java runs the top of standard edition.