quiz8_7.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 35 行

import java.io.*;
class SaveMe implements Serializable {
  boolean b = true;
  transient String s
     = "Something from the meat case, Linda?";
}
public class Quiz8_7 {
   private static final String FILE_NAME
      = "objects.ser";
   public static void main( String[] args ) {
      try {
         SaveMe sm = new SaveMe();
         File objectFile = new File( FILE_NAME );

         FileOutputStream fos =
         new FileOutputStream( objectFile );
         ObjectOutputStream oos =
            new ObjectOutputStream( fos );
         oos.writeObject( sm );
         oos.close();
         FileInputStream fis =
            new FileInputStream( objectFile );
         ObjectInputStream ois
            = new ObjectInputStream( fis );
         SaveMe retrieved = (SaveMe) ois.readObject();
         ois.close();
         System.out.println( retrieved.b );
         System.out.println( retrieved.s );

      }
      catch ( Exception x ) {
         System.out.println( x );
      }
   }
}