Interface FileFilter

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

Methods

Modifier and Type Method Description
boolean accept​(File pathname)

Tests whether or not the specified abstract pathname should be included in a pathname list.

Methods

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

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https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/FileFilter.html