|If a Thread is not require to return anything after completing the job then we should use Runnable
|If a Thread is required to return something after completing the job then we should use Callable.
|Runnable interface in Java contains only one method:
|The callable interface in Java contains only one method:
|Runnable jobs don’t return anything, Hence return type of
run() is void
|Callable jobs return something, Hence return type of
call() is object.
|If there is any chance of a checked exception in run() then it is compulsory that we have to handle that exception by using the try-catch block because we can not use the throws keyword for a run().
|If there is any chance of a checked exception in call() then we are not required to use try catch to handle that exception because call() already throws an exception.
|The runnable interface is present inside
|The callable interface is present in
java. util.concurrent package
|The runnable interface is introduced in Java 1.0v
|The callable interface is introduced in Java 1.5v