Ralph Johnson
A software engineering scholar and expert in design patterns, co-author of the Pattern Languages of Program Design book series. Together with Bobby Woolf, he systematically documented the Type Object pattern.
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The "Gang of Four" refers to the four authors Erich Gamma, Richard Helm, Ralph Johnson, and John Vlissides, who published "Design Patterns: Elements of Reusable Object-Oriented Software" in 1994.
The Type Object pattern was first systematically articulated by Ralph Johnson and Bobby Woolf in 《Pattern Languages of Program Design 3》
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The "Gang of Four" refers to the four authors Erich Gamma, Richard Helm, Ralph Johnson, and John Vlissides, who published "Design Patterns: Elements of Reusable Object-Oriented Software" in 1994.
50%UnverifiedThe Type Object pattern was first systematically articulated by Ralph Johnson and Bobby Woolf in 《Pattern Languages of Program Design 3》
50%