// interfaces/filters/HighPass.java // (c)2021 MindView LLC: see Copyright.txt // We make no guarantees that this code is fit for any purpose. // Visit http://OnJava8.com for more book information. package interfaces.filters; public class HighPass extends Filter { double cutoff; public HighPass(double cutoff) { this.cutoff = cutoff; } @Override public Waveform process(Waveform input) { return input; } }