Eugene Hutorny

Introduction ObjectTeams/Java (OT/J) is an extension to Java programming language that facilitates roles and collaborations as the first class language constructs. This article is an exercise on using (OT/J) for implementing collaborations. Subject area This exercise considers two bank operations – money transfer and fund cashing. The course of events for these two operations is […]

Where to keep SQL statements? This question arises almost for any more-less sophisticated Java application that accesses DBMS. Two most common approaches are: (1) as string constants in Java and (2) as text in external files. Both these approaches have significant drawbacks. Java strings get complicated when a string is too long to fit in […]