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+## How do the **`wait()`** and **`notify()`** methods interact?
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+---
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+🛑
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+- **`wait()`**: Causes the current thread to block and enter the **Waiting** state.
+- **`notify()` / `notifyAll()`**: Invoked by _another_ thread to move the waiting thread(s) back to the **Runnable** state.
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