logon.java

java入门经典教程 java入门经典教程 java入门经典教程

// 例5.5.2 Logon.java 
import java.io.*;
class Logon implements Serializable
{
	private String username;
	private transient String password;

	Logon(String name, String pwd) 
{
		username = name;
		password = pwd;
	}
	public String toString() 
{
		String pwd = (password == null) ? "(null)" : password;
		return "logon info:"+"\n[username: ] "+username+"\n[password: ] "+pwd;
	}
}
// 例5.5.3 SendLogon.java 
import java.io.*;
public class SendLogon
{
	public static void main(String[] args) 
throws IOException, ClassNotFoundException 
{
		Logon a = new Logon("David", "123456");
		System.out.println(a);
		
		ObjectOutputStream o = new ObjectOutputStream( 
new FileOutputStream("Logon.out"));
		
		System.out.println( "Sending object of Logon......");
		o.writeObject(a);
		o.close();
	}
}