The Main Thread
When a Java program starts up the main thread begins running immediately. You can obtain a reference to main thread by calling the method currentThread().
Its general form is shown here:
static Thread currentThread( )
static Thread currentThread( ) returns a reference to the thread in which it is called.
// Controlling the main Thread.
public class Main {
public static void main(String args[]) {
Thread t = Thread.currentThread();
System.out.println("Current thread: " + t);
// change the name of the thread
t.setName("My Thread");
System.out.println("After name change: " + t);
try {
for (int n = 5; n > 0; n--) {
System.out.println(n);
Thread.sleep(1000);
}
} catch (InterruptedException e) {
System.out.println("Main thread interrupted");
}
}
}