/* Header comments go here */ import acm.graphics.*; import acm.program.*; import java.awt.*; public class LowerTriangle extends SliderProgram { public void init() { setSize(500, 500); super.init(); setRange(1, 25); } public void run() { // add code here } // end of run method public static void main(String[] args){ new LowerTriangle().start(args); } // end of main() } // end of class LowerTriangle