IO流复制图片

package com.heima.test;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

public class DemoReader {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
    File file=new File("D:\\画框.jpg");
    File file2=new File("pic/1.jpg");
    try {
		InputStream is=new FileInputStream(file);
		OutputStream ops=new FileOutputStream(file2);
		byte[] b=new byte[1024];
		int len=0;
		while((len=is.read(b))!=-1){
			ops.write(b, 0, len);
		}
		is.close();
		ops.close();
	} catch (FileNotFoundException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	} catch (IOException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	}
	}

}