2018-07-25 period Java serialization and deserialization programming small case

Package Cn.sjq.Serializable.java;

Import Java.io.FileInputStream;

Import Java.io.FileOutputStream;

Import Java.io.InputStream;

Import Java.io.ObjectInputStream;

Import Java.io.ObjectOutputStream;

Import Java.io.OutputStream;

/**

* Write fruit object to file

* @author SONGJQ

*

*/

public class Javaserializabledemo {

public static void Main (string[] args) throws Exception {

Defining Fruit objects

Fruit f = new Fruit ();

F.setname ("Apple");

F.settype ("001");

F.setproduction ("China");

/*

* Write fruit object F to file (fruit not serialized)

*/

Defining the output stream

OutputStream out = new FileOutputStream ("D:\\temp\\fruit.ser");

Defining an object output stream

ObjectOutputStream ObjectOutputStream = new ObjectOutputStream (out);

Objectoutputstream.writeobject (f);

Close the stream

Out.close ();

Objectoutputstream.close ();

/**

* Test Conclusion:

* 1, fruit not implemented serialization

* Exception in thread "main" java.io.NotSerializableException:cn.sjq.Serializable.java.Fruit

* Description If an object is to be written to a file, the object needs to be serialized

* 2, Fruit to realize the serialization of public class Fruit implements Serializable

* Object Fruit successfully written to the file D:\\temp\\fruit.ser

*/

/**

* Deserialization, Fruit.ser deserialized into fruit object output console

*/

InputStream in = new FileInputStream ("D:\\temp\\fruit.ser");

ObjectInputStream ObjectInputStream = new ObjectInputStream (in);

Fruit Fruit = (Fruit) objectinputstream.readobject ();

System.out.println (F.getname () + "\ T" +f.gettype () + "\ T" +f.getproduction ());

/*

* Output Result:

* Apple001china

*/

}

}

Package Cn.sjq.Serializable.java;

Import java.io.Serializable;

/**

* Java serialization: If a class implements Java serialization, this class can be used as an input and output object

* Define a Java Bean Fruit

* @author SONGJQ

*

*/

public class Fruit implements Serializable {

private String name;

Private String type;

private String production;

Public String GetName () {

return name;

}

public void SetName (String name) {

THIS.name = name;

}

Public String GetType () {

return type;

}

public void SetType (String type) {

This.type = type;

}

Public String getproduction () {

return production;

}

public void Setproduction (String production) {

This.production = production;

}

}

2018-07-25 period Java serialization and deserialization programming small case