import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.util.Date;

public class TransientClass implements Serializable {

	private static String datnam = "myObjs.ser";
	private transient Date transDate = new Date();
	private Date date = new Date();

	private static final long serialVersionUID = -1676776445270664023L;

	public static void main(String[] args) {

		if (new File(datnam).exists()) {
			try (ObjectInputStream in = new ObjectInputStream(
					new FileInputStream(datnam))) {
				TransientClass tc = (TransientClass) in.readObject();
				System.out.println("deserialized date: " + tc.date);
				System.out.println("deserialized transDate: " + tc.transDate); // null
			} catch (IOException | ClassNotFoundException e) {
				e.printStackTrace();
			}
		} else {
			System.out.println("'" + datnam + "' created");
		}

		try (ObjectOutputStream aus = new ObjectOutputStream(
				new FileOutputStream(datnam))) {
			aus.writeObject(new TransientClass());
			System.out.println("class serialized to '" + datnam + "'.");
		} catch (IOException ex) {
			System.out.println("couldn't write to file '" + datnam + "'.");
		}
	}
}