import java.io.FileReader;
import java.io.IOException;

/**
 * Really bad exception handling
 * So bad that the program will not compile.
 * Problem is that the IO exception thrown by doo (the throw is OK)
 * is not handled in any way by the calling function (main).
 * 
 * Created: Jan 2022
 * @author gtowell
 */
public class ExBad1 {
    /**
     * A function that opens a FileReader -- for no real reason
     * @param filename the name of the file to try to open
     * @throws IOException
     */
    public void doo(String filename) throws IOException {
        FileReader bb = new FileReader(filename);
    }
    public static void main(String[] args) {
        ExBad1 ex1 = new ExBad1();
        ex1.doo("20");
    }
}