Java tutorial
import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; class shutdown { public static void main(String[] args) throws ClassNotFoundException, IOException { FileOutputStream fos = new FileOutputStream("objects.tmp"); ObjectOutputStream oos = new ObjectOutputStream(fos); oos.writeObject("asdf"); oos.flush(); fos.close(); FileInputStream fis = new FileInputStream("objects.tmp"); ObjectInputStream ois = new ObjectInputStream(fis); String t = (String) ois.readObject(); fis.close(); } }