{"id":"gof-observer-supports-broadcast-communication","text":"The Observer pattern supports broadcast communication: the subject sends notifications without specifying receivers, and any number of observers can subscribe to receive them.","truth_value":"IN","source":"entries/2026/06/17/gof-oo-chunk-19.md","source_url":"","source_hash":"","justifications":[],"dependents":["observer-notification-three-design-decisions","observer-reliable-notification-system"],"metadata":{"last_premise_reviewed":"2026-06-17T18:19:22","premise_review_result":"pass"},"created_at":"2026-06-17T17:04:08+00:00","updated_at":"2026-06-17T17:04:08+00:00","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"gof-observer-supports-broadcast-communication","truth_value":"IN","reason":"premise"}]}}