e172. copying one file to another.txt

这里面包含了一百多个JAVA源文件

try {
        // Create channel on the source
        FileChannel srcChannel = new FileInputStream("srcFilename").getChannel();
    
        // Create channel on the destination
        FileChannel dstChannel = new FileOutputStream("dstFilename").getChannel();
    
        // Copy file contents from source to destination
        dstChannel.transferFrom(srcChannel, 0, srcChannel.size());
    
        // Close the channels
        srcChannel.close();
        dstChannel.close();
    } catch (IOException e) {
    }