The four authors Erich Gamma, Richard Helm, Ralph Johnson, and John Vlissides are collectively introduced the Gang of Four Design Patterns in Software development. In 1994, they published a book for explaining the concept of Design Patterns.
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The four authors Erich Gamma, Richard Helm, Ralph Johnson, and John Vlissides are collectively introduced the Gang of Four Design Patterns in Software development. In 1994, they published a book for explaining the concept of Design Patterns.