readmain.java

软通公司培训的课件和习题里面有答案。。。

package test;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Hashtable;

import persist.PersistObjectClass;

/**
 * @zhouxin 
 *Jun 23, 2007
 * TODO
 */
public class ReadMain {
	WriteMain w=new WriteMain();
	/*
	 * param
	 * return
	 * todo：将对象从文件中读取出来
	 */
	public void readObject()
	{
		File file=new File(w.fileName);
		ObjectInputStream stream=null;
		try
		{
			stream=new ObjectInputStream(
									  new BufferedInputStream(
									  new FileInputStream(file)));//生成一个对象输出流
			PersistObjectClass p=(PersistObjectClass)stream.readObject();//对象输入流将持久化对象从入文件中读取出来
			System.out.println(p.getName());
			p.getOther().printString();
		}
		catch(Exception e)
		{
			e.printStackTrace();
		}
		finally
		{
			try 
			{
				if(stream!=null)
				{
					stream.close();
				}				
			} 
			catch (IOException e) 
			{
				e.printStackTrace();
			}
		}
	}

	/**
	 * @param args
	 */
	public static void main(String[] args)
	{
		ReadMain r=new ReadMain();
		r.readObject();
	}

}