2.2 FileInputStream的用法
FileInputStream是InputStream的继承类,从字面上就可看出,它的主要功能就是能从磁盘上读入文件。read方法会一个一个字节的从磁盘往回读数据。
例:2.2.1
import java.io.*;
public class TestMark_to_win {
public static void main(String args[]) throws Exception {
int size;
FileInputStream f1 = new FileInputStream("c:/1.txt");
size = f1.available();
for (int i = 0; i < size; i++) {
System.out.println((char) f1.read());
}
int size2;
FileInputStream f2 = new FileInputStream("c:/1.txt");
size2 = f2.available();
for (int i = 0; i < size2; i++) {
System.out.println(f2.read());
}
}
}
更多请见:https://blog.csdn.net/qq_44639795/article/details/102535689