import java.io.BufferedInputStream;
import java.io.FileInputStream;
public class Main {
public static void main(String[] args) throws Exception {
byte[] buffer = new byte[1024];
BufferedInputStream bufferedInput = new BufferedInputStream(new FileInputStream("filename.txt"));
int bytesRead = 0;
while ((bytesRead = bufferedInput.read(buffer)) != -1) {
String chunk = new String(buffer, 0, bytesRead);
System.out.print(chunk);
}
bufferedInput.close();
}
}