Building graphical user interfaces - Objects First with Java: A Practical Introduction Using BlueJ - page 398

Figure 11.11
Class structure for
filters as objects

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Code 11.11
Abstract class Filter :
Superclass for all filters

public abstract class Filter
{

private String name;

/**
* Create a new filter with a given name.
*/
public Filter(String name)
{

this .name = name;

}

/**
* Return the name of this filter.
*
* @return The name of this filter.
*/
public String getName()
{

return name;

}

/**
* Apply this filter to an image.
*