public class SynchronizedExample {
    // Synchronized method on the instance (this)
    public synchronized void syncMethodOnInstance() {
        // Code that is synchronized on the current instance
        System.out.println("Synchronized on the instance (this)");
    }

    // Synchronized block on the instance (this)
    public void syncBlockOnInstance() {
        synchronized (this) {
            // Code that is synchronized on the current instance
            System.out.println("Synchronized block on the instance (this)");
        }
    }

    // Synchronized method on the class (Class object)
    public static synchronized void syncMethodOnClass() {
        // Code that is synchronized on the Class object
        System.out.println("Synchronized on the class (Class object)");
    }

    // Synchronized block on the class (Class object)
    public static void syncBlockOnClass() {
        synchronized (SynchronizedExample.class) {
            // Code that is synchronized on the Class object
            System.out.println("Synchronized block on the class (Class object)");
        }
    }

    // Main method to run the examples
    public static void main(String[] args) {
        SynchronizedExample example = new SynchronizedExample();

        // Calling instance methods
        example.syncMethodOnInstance();
        example.syncBlockOnInstance();

        // Calling static methods
        syncMethodOnClass();
        syncBlockOnClass();
    }
}