Setup code should only be executed once. Make run() a loop.

src/Goldfish.java

@@ -1,6 +1,5 @@
 package edu.stuy.goldfish;
 
-
 import edu.stuy.goldfish.rules.*;
 
 public class Goldfish {
@@ -8,34 +7,29 @@ public class Goldfish {
     private Grid _grid;
     private Render _render;
 
-    public Goldfish () {
+    public Goldfish() {
     	int height = 96;
     	int width = 96;
         _render = new Render(width, height);
         _grid = new Grid(width, height);
     }
 
-    public void run () {
-        //TODO: make it run.
+    public void run() {
         _grid.getPatch(1,0).setState(1);
         _grid.getPatch(2,1).setState(1);
         _grid.getPatch(2,2).setState(1);
         _grid.getPatch(1,2).setState(1);
         _grid.getPatch(0,2).setState(1);
-        System.out.println(_grid);
-
-        _grid = LifeWithoutDeath.run(_grid);
-        System.out.println("------------");
-        System.out.println(_grid);
-        _render.setGrid(_grid);
-        _render.run();
 
+        while (true) {
+            _grid = Conway.run(_grid);
+            _render.setGrid(_grid);
+            _render.run();
+        }
    }
 
     public static void main (String[] args) {
         Goldfish g = new Goldfish();
-        while(true) {
-        	g.run();
-        }
+        g.run();
     }
 }