Improving structure with inheritance - Objects First with Java: A Practical Introduction Using BlueJ - page 278

Code 8.2
continued
Source code of the
PhotoPost class

public void addComment(String text)
{

comments.add(text);

}

/**
* Return the filename of the image in this post.
*
* @return The post's image filename.
*/
public String getImageFile()
{

return filename;

}

/**
* Return the caption of the image of this post.
*
* @return The image's caption.
*/
public String getCaption()
{

return caption;

}

/**
* Return the time of creation of this post.
*
* @return The post's creation time, as a system time value.
*/
public long getTimeStamp()
{

return timestamp;

}

/**
* Display the details of this post.
*
* (Currently: Print to the text terminal. This is simulating
* display in a web browser for now.)
*/
public void display()
{

System.out.println(username);
System.out.println( " [" + filename + "]" );
System.out.println( " " + caption);
System.out.print(timeString(timestamp));