processing4/core/test/Points_Lines.java

package test;
import processing.core.*;

/**
 *
 * @author  Francis Li
 */
public class Points_Lines extends PMIDlet {
    void setup() {
        // Points and Lines 
        // by REAS <http://www.groupc.net> 

        int d = 40; 
        int p1 = d; 
        int p2 = p1+d; 
        int p3 = p2+d; 
        int p4 = p3+d; 

        size(200, 200); 
        background(0); 

        // Draw gray box 
        stroke(153); 
        line(p3, p3, p2, p3); 
        line(p2, p3, p2, p2); 
        line(p2, p2, p3, p2); 
        line(p3, p2, p3, p3); 

        // Draw white points 
        stroke(255);
        point(p1, p1); 
        point(p1, p3); 
        point(p2, p4); 
        point(p3, p1); 
        point(p4, p2); 
        point(p4, p4);
    }
}