文件内容

代码

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;

public class Test1 {
    public static void main(String[] args) throws IOException {

        String dirPath = "C:\\Users\\Administrator\\Desktop\\io\\文件\\";
        String fileName = "test.txt";
        String filePath = dirPath + fileName;


        FileInputStream fis = new FileInputStream(filePath);

        System.out.println(fis.read());
        System.out.println(fis.read());
        System.out.println(fis.read());
        System.out.println(fis.read());
        System.out.println(fis.read());
        System.out.println(fis.read());
        System.out.println(fis.read());
        System.out.println(fis.read());
        System.out.println(fis.read());





    }
}

效果