need code fastly

java code

Write a java program to create a Thread class A. Using a default constructor pass a message to parent class and start the thread. This shall initiate the run method where it will display from 5 to 1 in a decreasing order with delay of 500 milliseconds. The main thread will also display numbers from 10 to 6 in a decreasing order with a delay of 1000 milliseconds. The main thread and created child thread should execute concurrently