<?php
// Example of using StampedLock in Java
import java.util.concurrent.locks.StampedLock;
public class StampedLockExample {
private final StampedLock lock = new StampedLock();
private double x = 0.0, y = 0.0;
// Method to update the coordinates
public void updateCoordinates(double newX, double newY) {
long stamp = lock.writeLock();
try {
x = newX;
y = newY;
} finally {
lock.unlockWrite(stamp);
}
}
// Method to read the coordinates
public double[] readCoordinates() {
long stamp = lock.readLock();
try {
return new double[] { x, y };
} finally {
lock.unlockRead(stamp);
}
}
}
?>
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