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Examples of GoF Design Patterns in Java's core libraries
https://stackoverflow.com/questions/1673841/examples-of-gof-design-patterns-in-javas-core-libraries/2707195#2707195
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Examples of GoF Design Patterns in Java's core libraries
https://stackoverflow.com/questions/1673841/examples-of-gof-design-patterns-in-javas-core-libraries/2707195#2707195