Java Cleaner API with AutoCloseable example

CleanerAPIAutoCloseableExample.java

//JAVA_OPTIONS -Xms8m -Xmx8m -XX:+UseSerialGC
//JAVA_OPTIONS -XX:-DisableExplicitGC

/// https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/ref/Cleaner.html

import java.lang.AutoCloseable;
import java.lang.ref.Cleaner;

public class CleanerAPIAutoCloseableExample{

    static class MyObjectCleaner implements Runnable{
        @Override
        public void run(){
            System.out.println("Cleaning resources ...");
        }
    }

    static class MyObject implements AutoCloseable{
        static Cleaner cleaner = Cleaner.create();
        Cleaner.Cleanable cleanable;

        public MyObject(){
            cleanable = cleaner.register(this, new MyObjectCleaner());
            //cleanable = cleaner.register(this, () -> System.out.println("Cleaning resources from a lambda"));
        }

        @Override    
        public void close() {
            this.cleanable.clean();
        }
    }


    public static void main(String... args) throws Exception {
        // ## using try-catch with resources
        try( MyObject myObject = new MyObject()){}

        // ## not using try-catch with resources
        // cleaning action is also executed when the object become phanton reachable
        MyObject myObject = new MyObject();
        myObject = null;

        System.gc();
        Thread.sleep(10_000);
    }
}

CleanerAPIExample.java

//JAVA_OPTIONS -Xms8m -Xmx8m -XX:+UseSerialGC
//JAVA_OPTIONS -XX:-DisableExplicitGC

import java.lang.ref.Cleaner;

public class CleanerAPIExample {
    
    static class MyObject{
        public int id;

        public MyObject(int id){
            this.id = id;
        }
    }

    static class MyObjectCleaner implements Runnable {
        int id;

        static String text = "Cleaning resources for MyObject(%d)";

        public MyObjectCleaner(int id) {
            this.id = id;
        }

        @Override
        public void run(){
            System.out.println( String.format(text, id) );
        }
    }

    public static void main(String... args) throws Exception {    
        Cleaner cleaner = Cleaner.create();

        for(int i=0; i<=10; i++)
            cleaner.register(new MyObject(i), new MyObjectCleaner(i) );

        System.gc();
        Thread.sleep(10_000);
    }
}