writeobject.java

来自「java 完全探索的随书源码」· Java 代码 · 共 38 行

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

// This class writes out a date object and a hash table object
// to a file called "writeme" using an ObjectOutputStream.

public class WriteObject
{
  public static void main( String[] args )
  {
    // Create a hash table with a few entries
    Hashtable writeHash = new Hashtable();
    writeHash.put("Leader", "Moe");
    writeHash.put("Lieutenant", "Larry");
    writeHash.put("Stooge", "Curly");

    try
    {
      // Create an output stream to a file called "writeobject.txt"
      FileOutputStream fileOut = new FileOutputStream( "writeobject.txt" );

      // Open an output stream filter on the file stream
      ObjectOutputStream objOut = new ObjectOutputStream( fileOut );

      // Write out the current date and the hash table
      objOut.writeObject( new Date() );
      objOut.writeObject( writeHash );

      // Close the stream
      objOut.close();
     }
     catch ( IOException ex )
     {
        ex.printStackTrace();
     }
   }
}