Java Threads/Multithreading

Create an application which simulates the running race of 400 meters.

Create five thread groups and give names (Country names).

The number of runners should be ten (two in each group) and give names to each runner thread.

Each thread should run exactly half the distance-200m and the next thread in same group should join the race to complete it.

Print the winner group name() and all the threads should complete the threads should complete the race.

Print the time taken by each Group to complete the race and highlight the Winners time. MUST BE IN JAVA