public class FileTest { // 创建类
public static void main(String[] args) {
File file = new File("word.txt");
try {
FileOutputStream out = new FileOutputStream(file);
byte buy[] = "我有一只小毛驴,我从来也不骑。".getBytes();
out.write(buy);
out.close();
} catch (Exception e) {
e.printStackTrace();
}
try {
FileInputStream in = new FileInputStream(file);
byte byt[] = new byte[1024]; //1024是什么意思
int len = in.read(byt);
System.out.println("文件中的信息是:" + new String(byt, 0, len)); //这里的0是什么意思
in.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}