HOOPLA! — 'Hooray for Object Oriented Programming Languages!' — was a periodical published by OOPSTAD. It was one of the first publications entirely devoted to Object-Oriented Programming techniques and the Smalltalk programming language.

The first issue of HOOPLA! was available at OOPSLA-87; 1000 copies were printed. The subsequent issues were:

Volume 1, No.2	January 1988
Volume 1, No.3	April 1988
Volume 1, No.4	July 1988
Volume 2, No.1	November 1988
Volume 2, No.2	February 1989
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