Suppose the abstract class Message is defined below

public abstract class Message

$\{$

private String value;

public Message$($String initial$)$

$\{$

value $=$ initial;

$\}$

public String getMessage$()$

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return value;

$\}$

public abstract String translate$()$;

$\}$

A concrete subclass of Message, called FrenchMessage, is defined. Which methods must FrenchMessage define?

translate$()$ only

getMessage$()$ only

The FrenchMessage constructor and translate$()$ only

The FrenchMessage constructor, getMessage$(),$ and translate$()$