错误显示,无法实例化,怎么解
DataInputStream in = new DataInputStream(new FileInputStream(new File("文件路径")));
还有别导错包
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
如果还有错误就把错误贴上来,你贴代码又不知道错误是啥
你写错了
DataInputStream dataInputStream = new DataInputStream(new FileInputStream());