Is there any resources about how to write ADT?

I know the adt is actrually abstract data type.
but in our exam there are question about how to transfer java coding to adt
I search internet there is books about adt in usa. but not accseable in malaysia
there seemed no norm or free introduction site on help write or transfer coding to adt, is it?

If you mean ADT as in <http://www.nist.gov/dads/HTML/abstractDataType.html>, and it isn't a computer science term that someone has hijacked to mean something different (eg 'assert' in java, 'action semantics' in UML), then by most of the collections classes are examples of ADTs; for example java.util.List is the ADT, java.util.ArrayList an implementation thereof.
I'm not sure what you mean 'transfer coding to adt'; are you trying to create a mathematical description of your program to prove theorems about it, or are you using ADT more loosely and want advise on interfaces and enforcing pre- and post-conditions on your implementation methods?
Pete

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