IO流-FileInputStream
package com.day17.IO;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
public class IOFileInputStream {
public static void main(String[] args) throws IOException {
FileInputStream fis=new FileInputStream("zhujialei.txt");//创建字节流
/* int x=fis.read();//从硬盘上读取一个字节
System.out.println(x);//97
int y=fis.read();
System.out.println(y);//98
*/
int b;
while((b=fis.read())!=-1) {
System.out.println(b);//97 98 99
}
fis.close();//关流释放资源
}
}