Java - File functions and FilenameFilter class

methods:-

public long length();

public String getName();

public String getParent();

public String getPath();

public boolean exists();

public boolean isDirectory();

public boolean isFile();

public boolean isHidden();

public boolean mkdir();

public boolean delete();

public void renameTo(File);

public String[] list();

public String[] list(FilenameFilter);

        Here FilenameFilter is an interface.

FilenameFilter

        To filter particular files & folders.

method:-

public boolean accept(File,String);