Call static sleep method in Thread-class

src/com/annimon/turrets/DoubleBufferedCanvas.java

@@ -110,7 +110,7 @@ public abstract class DoubleBufferedCanvas extends Canvas implements MouseListen
         public void run() {
             while (keepRunning) {
                 try {
-                    Thread.sleep(25);
+                    sleep(25);
                 } catch (InterruptedException ex) {}
                 repaint();
             }

src/com/annimon/turrets/network/SocketHelper.java

@@ -47,7 +47,7 @@ public final class SocketHelper extends Thread {
                 break;
             }
             try {
-                Thread.sleep(200);
+                sleep(200);
             } catch (InterruptedException ex) { }
         }
     }