package com.bjpowernode.java_learning;

import java.io.*;

​


public class D95_1_FileInputStreamAnalysis {

  public static void main(String[] args) {

    try {

      //1.要读取某一个文件，先于这个文件创建一个“输入流”

      //文件路径

      String filePath = "temp1.txt";//相对路径

      FileInputStream fls = new FileInputStream(filePath);

      int i1 = fls.read();//以字节的方式读取

      System.out.println(i1);

      int i2 = fls.read();

      int i3 = fls.read();

      System.out.println(i2);

      System.out.println(i3);

     

      //2.开始读文件

    }catch (FileNotFoundException e) {

      e.printStackTrace();

    }catch (Exception e2) {

      e2.printStackTrace();

    }finally {

      //为了保证流一定会被释放，所以在finally语句块中执行

      try {

        fls.close();

      }catch (Exception e3) {

        e3.printStackTrace();

      }

    }

  }

}