When should we use the Runnable interface?

Question

Accepted Answer

We can use Runnable to execute code in a separate thread.

When we need to perform a task in the background without blocking the main thread.
When we need to execute code concurrently.
When we need to delay the execution of code.
When we need to schedule a task to run at a specific time.
When we need to implement a timer or a countdown.
Example: updating UI elements while performing a long-running task in the background.
Example: scheduling a task to run every 5 seconds.
Example: delaying the execution of code for 1 second before running it.