Answer Posted / kumar rk

interface
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in java interfaces are fully unimplemented structures.
here all methods are public and abstract by default(added by compiler)

abstract class
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abstract classes are partially implemented structure.
means it can have abstract method or may be not.
but in every case object cannot be created.

we use MainFrame and using os390 for operating system with DB2 data base in IRAN and interest programing with java and use webspere for world wide,please help me where i should start?

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