Java 中将对象序列化为字符串

package delftstack;

import java.util.*;
import java.io.*;

public class Serialize_Object {

    public static void main( String [] args )  throws IOException,
                                                      ClassNotFoundException {
        String Serialized_String = To_String( new Demo_Serialize() );
        System.out.println(" The Serialized String " );
        System.out.println( Serialized_String );
        Demo_Serialize Original_object = ( Demo_Serialize ) From_String( Serialized_String );
        System.out.println( "\n\nThe Original String");
        System.out.println( Original_object );


    }

   private static Object From_String( String s ) throws IOException ,
                                                       ClassNotFoundException {
        byte [] Byte_Data = Base64.getDecoder().decode( s );
        ObjectInputStream Object_Input_Stream = new ObjectInputStream( new ByteArrayInputStream(Byte_Data) );
        Object Demo_Object  = Object_Input_Stream.readObject();
        Object_Input_Stream.close();
        return Demo_Object;
   }

    private static String To_String( Serializable Demo_Object ) throws IOException {
        ByteArrayOutputStream Byte_Array_Output_Stream = new ByteArrayOutputStream();
        ObjectOutputStream Object_Output_Stream = new ObjectOutputStream( Byte_Array_Output_Stream );
        Object_Output_Stream.writeObject( Demo_Object );
        Object_Output_Stream.close();
        return Base64.getEncoder().encodeToString(Byte_Array_Output_Stream.toByteArray());
    }
}

class Demo_Serialize implements Serializable {

    private final static long serialVersionUID = 1;

    int i    = Integer.MAX_VALUE;
    String s = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
    Double d = new Double( -1.0 );
    public String toString(){
        return  "DelftStack is a resource for everyone interested in "
        		+ "programming, embedded software, and electronics. "
        		+ "It covers the programming languages like Python, "
        		+ "C/C++, C#, and so on in this website's first "
        		+ "development stage. Open-source hardware also falls "
        		+ "in the website's scope, like Arduino, Raspberry Pi, and BeagleBone.";
    }
}

 The Serialized String
rO0ABXNyABlkZWxmdHN0YWNrLkRlbW9fU2VyaWFsaXplAAAAAAAAAAECAANJAAFpTAABZHQAEkxqYXZhL2xhbmcvRG91YmxlO0wAAXN0ABJMamF2YS9sYW5nL1N0cmluZzt4cH////9zcgAQamF2YS5sYW5nLkRvdWJsZYCzwkopa/sEAgABRAAFdmFsdWV4cgAQamF2YS5sYW5nLk51bWJlcoaslR0LlOCLAgAAeHC/8AAAAAAAAHQAGkFCQ0RFRkdISUpLTE1OT1BRUlNUVVZXWFla


The Original String
DelftStack is a resource for everyone interested in programming, embedded software, and electronics. It covers the programming languages like Python, C/C++, C#, and so on in this website's first development stage. Open-source hardware also falls in the website's scope, like Arduino, Raspberry Pi, and BeagleBone.