Update PSurfaceAWT.java

core/src/processing/awt/PSurfaceAWT.java

@@ -422,7 +422,9 @@ public class PSurfaceAWT extends PSurfaceNone {
       //frame.setVisible(true);  // re-add native resources
     }
     */
-    frame.setLayout(null);
+    // Solves #862 - Grey/White bar on right side of sketches
+    frame.setLayout(new BoxLayout(frame.getContentPane(), BoxLayout.Y_AXIS));
+    frame.pack();
 
     // Need to pass back our new sketchWidth/Height here, because it may have
     // been overridden by numbers we calculated above if fullScreen and/or