1 package IO; 2 3 import java.io.FileInputStream; 4 import java.io.FileNotFoundException; 5 import java.io.IOException; 6 /* 7 需求:读取"E:\\javaIo\\day01\\javaSe.txt"此路径中的文件数据到内存中; 8 */ 9 public class Test06 { 10 public static void main(String[] args) throws FileNotFoundException { 11 //1.创建一个输入流FileInputStream 12 FileInputStream f = new FileInputStream("E:\\javaIo\\day01\\javaSe.txt"); 13 //2.read()读取磁盘中的数据到内存,从硬盘中每次读取一个字节的数据到内存中 14 try { 15 int read = f.read(); 16 System.out.println((char) read);//转义字符,进行强制转换 17 int read1 = f.read(); 18 System.out.println((char) read1);//转义字符,进行强制转换 19 int read2 = f.read(); 20 System.out.println((char) read2);//转义字符,进行强制转换 21 } catch (IOException e) { 22 e.printStackTrace(); 23 }finally { 24 //3.释放资源 25 if (f !=null){ 26 try { 27 f.close(); 28 } catch (IOException e) { 29 e.printStackTrace(); 30 } 31 } 32 } 33 } 34 }
标签:字节,read,FilelnputStream,System,int,转义字符,IO,FileInputStream,读取 From: https://www.cnblogs.com/nzm-2019/p/16601683.html