拷贝图片

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

public class Demo3 {

    /**
     * @param args
     * @throws IOException 
     */
    public static void main(String[] args) throws IOException {
        
        copyImage();
        
    }
    public static void copyImage() throws IOException {
        // 找到目标文件
        File file = new File("C:\\cc\\kk\\1.jpg");    
        // 建立通道
        FileInputStream inputStream = new FileInputStream(file);
    
        File file1 = new File("C:\\cc\\tc.jpg");
        FileOutputStream outputStream = new FileOutputStream(file1);

        //创建一个缓冲区
        byte[] b = new byte[1024 * 6];
        //循环遍历文件内容，没有就返回-1
        while (inputStream.read(b) != -1) {
            //写入数据
            outputStream.write(b);        
        }
        //关闭流      关闭流的原则：先开后关，后开先关
        outputStream.close();
        inputStream.close();
        
    }
      
}