Παράδειγμα παράστασης εξαιρέσεων

import java.io.*;

public class NonGreekCharacterException extends IOException {
	public NonGreekCharacterException() {
	super();
    }
    public NonGreekCharacterException(String msg) {
        super(msg);
    }
    public NonGreekCharacterException(String message, Throwable cause) {
        super(message, cause);
    }

    public NonGreekCharacterException(Throwable cause) {
        super(cause);
    }
}