
import java.io.*;
/**
* 阅读流的原始字节数据,如图像数据。
*
*/
public class FileInputDemo {
public static void main(String args[]) {
if (args.length == 1) {
try {
FileInputStream fstream = new FileInputStream(args[0]);
DataInputStream in = new DataInputStream(fstream);
while (in.available() != 0) {
System.out.println(String.valueOf(in.readDouble()));// in的readDouble()方法
}
in.close();
} catch (Exception e) {
System.out.println("文件输入错误");
}
} else
System.out.println("参数无效");
}
}


