Serial Demo : Serialization « File Input Output « Java

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Java » File Input Output » SerializationScreenshots 
Serial Demo

/*

Database Programming with JDBC and Java, Second Edition
By George Reese
ISBN: 1-56592-616-1

Publisher: O'Reilly

*/


import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;

/**
 * Example 6-2.
 */
public class SerialDemo implements Serializable {
  static public void main(String[] args) {
    try {
      // Save a SerialDemo object with a value of 5.
        FileOutputStream f = new FileOutputStream("/tmp/testing");
        ObjectOutputStream s = new ObjectOutputStream(f);
        SerialDemo d = new SerialDemo(5);

        s.writeObject(d);
        s.flush();
      }
      // Now restore it and look at the value.
        FileInputStream f = new FileInputStream("/tmp/testing");
        ObjectInputStream s = new ObjectInputStream(f);
        SerialDemo d = (SerialDemos.readObject();

        System.out.println("SerialDemo.getVal() is: " + d.getVal());
      }
    catch (Exception e) {
      e.printStackTrace();
    }
  }

  int test_val = 7// value defaults to 7

  public SerialDemo() {
    super();
  }

  public SerialDemo(int x) {
    super();
    test_val = x;
  }

  public int getVal() {
    return test_val;
  }
}

           
       
Related examples in the same category
1. Object SerializationObject Serialization
2. Create a serialized output file
3. Reconstructing an externalizable objectReconstructing an externalizable object
4. Simple use of Externalizable and a pitfallSimple use of Externalizable and a pitfall
5. Serializable
6. Serializer class
7. This program shows how to use getSerialVersionUID
8. Working with Serialization
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