zthread.java

<Java编程精选集锦>随书源码

//
//ZThread.java--将数据从"Y"改变到"Z"的线程
//
import java.io.*;

class ZThread extends Thread
{
    DataInputStream YFileIn;
    PrintStream printStream;
    ZThread(DataInputStream YFileIn, PrintStream printStream)
    {
        this.YFileIn = YFileIn;
        this.printStream = printStream;
    }
    public void run()
    {
        try
        {
            String YString = YFileIn.readLine();
            while (YString != null)
            {
                String ZString = YString.replace('Y', 'Z');
                printStream.println(ZString);
                printStream.flush();
                YString = YFileIn.readLine();
            }
            printStream.close();
        }
        catch (IOException e)
        {
            System.out.println(e.toString());
        }
    }
}