package JBJADV003;

import java.io.FileNotFoundException;

import java.io.IOException;

import java.io.InputStream;

import java.io.FileInputStream;

/**

* FileInputStream

*1.read()的方法读取文件内容，返回值是int

*2.需要转换字符

*3.read()方法是单线程

*4.关闭流

*/

public class FileInputStreamTest {

public static void main(String[] args) throws IOException {

FileInputStream fis=new FileInputStream("c:\\myDoc\\hello.txt");

int data;

System.out.println("可读取的字节数: "+ fis.available());

/*

System.out.print("文件内容为: ");

while((data=fis.read())!=-1){

System.out.print(data+" ");

}

System.out.println("\n将字节文件内容转换为字符串后查看到的文件内容为: ");

while((data=fis.read())!=-1){

System.out.print((char)data);

}

*/

fis.close();

}

}