package javatest;import java.io.*;public class SerializableTest implements Serializable {	public static class Test implements Serializable {		private int width;		private int height;		public void setWidth(int width) {			this.width = width;		}		public void setHeight(int height) {			this.height = height;		}	}	public static void write(Object obj, String path) {		try {			File f=new File(path);		       if(f.exists()){		           f.delete();		       }		       			FileOutputStream fs = new FileOutputStream(path);			ObjectOutputStream os = new ObjectOutputStream(fs);			os.writeObject(obj);			os.close();		} catch (Exception ex) {			ex.printStackTrace();		}	}	public static Object read(String path) throws IOException,			ClassNotFoundException {		FileInputStream fs = new FileInputStream(path);		ObjectInputStream os = new ObjectInputStream(fs);		return os.readObject();	}	public static void main(String[] args) throws ClassNotFoundException, IOException {		Test test = new Test();		test.setWidth(50);		test.setHeight(30);				String path = "ser.file";		write(test, path);		Test test1 = (Test)read(path);		System.out.println(test1.height);	}}