java.se.io.3.文件拷贝

package com.knock.io;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import org.junit.Test;/** * @date 160802am * 测试文件拷贝 * */public class KcCopyFile {@Testpublic void test(){InputStream is = null;OutputStream os = null;try {is = new FileInputStream("D:/test/1.jpg");os = new FileOutputStream("E:/test/1.jpg");byte[] car = new byte[1024];int len;while(-1!=(len=(is.read(car)))){os.write(car, 0, len);}os.flush();} catch (FileNotFoundException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}finally{try {if(null!=os){os.close();}} catch (IOException e) {e.printStackTrace();}}}}