complete8_3.java

来自「程序练习中包括书中实例程序代码和练习中要用到的代码,是压缩文件」· Java 代码 · 共 34 行

package questions.c8;
import java.io.*;
public class Complete8_3 implements Serializable {
   private static final String FILE_NAME
      = "debug8_4.ser";
   double price;
   String name;
   public static void main( String[] args ) {
      try {
         File objectFile = new File( FILE_NAME );
         Complete8_3 x = new Complete8_3();
         x.price = 1.29;
         x.name = "Macaroni and cheese dinner";
         FileOutputStream fos =
            new FileOutputStream( objectFile );
         ObjectOutputStream oos =
            new ObjectOutputStream( fos );
         oos.writeObject( x );
         oos.close();
         FileInputStream fis =
            new FileInputStream( objectFile );
         ObjectInputStream ois
            = new ObjectInputStream( fis );
         Complete8_3 retrieved
            = (Complete8_3) ois.readObject();
         ois.close();
         System.out.println( retrieved.price );
         System.out.println( retrieved.name );
      }
      catch ( Exception x ) {
         System.out.println( x );
      }
   }
}