I can't add super.close() after 'if'.
package pl.codegym.task.task18.task1814;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
/*
UnsupportedFileName
*/
public class TxtInputStream extends FileInputStream {
public TxtInputStream(String fileName) throws FileNotFoundException, UnsupportedFileNameException {
super(fileName);
if (!fileName.substring(fileName.length() - 4).equals(".txt")) {
throw new UnsupportedFileNameException();
}
}
public static void main(String[] args) {
}
}