Industrial Logic -> Design Patterns Study Group -> The 4G Group

The 4 Gangsters Group

Next Meeting: See Agenda Below
    Location: IBM public space at 56th and Madison.
        Time: Wednesdays, 7:00 - 9:00 PM
   Questions? Bruce
The 4 Who?

At a PLoP conference in 1996, a gentleman with a slightly limited grasp of the English language accidentally referred to the Gang-of-Four as the "Four Gangsters." We got such a kick out of this that we decided to immortalize the name by calling this DPSG subgroup the "Four Gangsters Group" or 4G Group.


The 4G group meets weekly for the purpose of studying and mastering all 23 patterns from the book Design Patterns: Elements of Reusable Object-Oriented Software.

Once all 23 patterns have been studied, the group goes on to study a few more design patterns, before joining one of the other DPSG groups. At the end of this cycle of study, which usually lasts 25-30 weeks, the 4G group begins the cycle again.

New members are always welcome. If you're thinking of joining this group, we suggest you read the Learning Guide To Design Patterns.

  Industrial Logic, Inc.
September 22, 2004
September 29, 2004
SRP and OCP from the Martin book
October 6, 2004
DIP from the Martin book
October 13, 2004
LSP and ISP from the Martin book
October 20, 2004
Fa´┐Żade and Adapter
October 27, 2004
November 3, 2004
Abstract Factory
November 10, 2004
Strategy & Template Method
November 17, 2004
November 24, 2004
December 1, 2003
December 8, 2004
December 15, 2004


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