dome7.java

小游戏用ＪＡＶＡ做的

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;

public class Dome7
{
	public static final int SIZE = 1024*1024;
	
	public static void main(String [] args) throws Exception
	{
		File fin = new File("JDK.exe");
		File fout = new File("Dome.exe");
		
		BufferedInputStream bis = new BufferedInputStream(
			new FileInputStream(fin));
		BufferedOutputStream bos = new BufferedOutputStream(
			new FileOutputStream(fout));
		
		long size = fin.length();
		byte[] bt = new byte[SIZE];
		int count = (int)(size/SIZE);
		
		for (int i = 0; i < count; i++)
		{
			System.out.println ("已完成"+(long)i*SIZE*100/size+"%");
			bis.read(bt);
			bos.write(bt);
		}
		System.out.println ("已完成"+(long)count*SIZE*100/size+"%");
		bt = new byte[(int)(size%SIZE)];
		bis.read(bt);
		bos.write(bt);
		System.out.println("已完成100%");
		
		bis.close();
		bos.close();
	}
}