Explanation: Thread scheduler decides the priority of the thread execution.

How thread priority is set?

The setPriority() method of thread class is used to change the thread's priority. Every thread has a priority which is represented by the integer number between 1 to 10. Thread class provides 3 constant properties: public static int MIN_PRIORITY: It is the maximum priority of a thread.

How thread priority are set and changed?

A thread can be created by implementing the Runnable interface and overriding the run() method. The thread priority determines when the processor is provided to the thread as well as other resources. ... It can be changed using the method setPriority() of class Thread.