iodemo5.java

来自「JAVA的一些基础教程」· Java 代码 · 共 18 行

import java.io.*;
public class IODemo5
  {
    public static void main(String[] args) throws IOException
     {
	FileInputStream in = new FileInputStream(args[0]);
	FileOutputStream out = new FileOutputStream(args[1]);
	int c;
	while ((c = in.read()) != -1)
   	{
                out.write(c);
		System.out.write(c);
	}
	        in.close();
        	out.close();
    }
}