How to use setPriority() method to set thread priority in Java?

Explanation

1. Setting the priority is only to a large extent to allow a thread to get as many execution opportunities as possible, that is, to allow the thread itself to be scheduled by the operating system as much as possible , instead of setting a high priority, it will run first, or a thread with a high priority will run first than a thread with a low priority.

2. To set the priority, just call setPriority() directly.

Example

public final void setPriority(int newPriority) {
    this.checkAccess();
    if (newPriority <= 10 && newPriority >= 1) {
        ThreadGroup g;
        if ((g = this.getThreadGroup()) != null) {
            if (newPriority > g.getMaxPriority()) {
                newPriority = g.getMaxPriority();
            }
 
            this.setPriority0(this.priority = newPriority);
        }
 
    } else {
        throw new IllegalArgumentException();
    }
}

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