FileFilter (Java SE 13 [build 9])

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface FileFilter
```
A filter for abstract pathnames.
Instances of this interface may be passed to the listFiles(FileFilter) method of the File class.

Since:

1.2

- Method Summary
  
  Modifier and Type Method Description
  
  boolean accept(File pathname)
  Tests whether or not the specified abstract pathname should be included in a pathname list.

- Method Detail
  - accept
```
boolean accept(File pathname)
```
    Tests whether or not the specified abstract pathname should be included in a pathname list.
    
    Parameters:
    
    pathname - The abstract pathname to be tested
    
    Returns:
    
    true if and only if pathname should be included