Game Loop

        this.requestFocus();
        long lastTime = System.nanoTime();
        double amountOfTicks = 60.0;
        double ns = 1000000000 / amountOfTicks;
        double delta = 0;
        long timer = System.currentTimeMillis();
        while(isRunning){
            long now = System.nanoTime();
            delta += (now - lastTime) / ns;
            lastTime = now;
            while(delta >= 1){
                tick();
                delta--;
            }
            if(isRunning)
                render();

            if(System.currentTimeMillis() - timer > 1000){
                timer += 1000;
            }
        }
        stop();
    }

private void tick(){

}

private void render(){

}