import java.io.ObjectInputStream;
import java.io.ByteArrayInputStream;
import java.io.ObjectOutputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;

public class Test {


    public static Object deepClone(Object target) {
        Object retValue = null;
        try {
            ByteArrayOutputStream bo = new ByteArrayOutputStream();
            ObjectOutputStream os = new ObjectOutputStream(bo);
            os.writeObject(target);
            
            ObjectInputStream is = new ObjectInputStream(new ByteArrayInputStream(bo.toByteArray()));
            retValue = is.readObject();
            
            
        } catch(IOException e){
            e.printStackTrace();
        } catch(ClassNotFoundException e){
            e.printStackTrace();
        }
        return retValue;
    }
    
    public static void main(String[] args) throws Exception {
        java.util.ArrayList list = new java.util.ArrayList();
        list.add(1);
        System.out.println(deepClone(list));
        list.add(2);
        System.out.println(list);
    }

}