### Question:
StandardDialFrame extends AbstractDialLayer implements DialFrame,
        Cloneable, PublicCloneable, Serializable { @Override public int hashCode() { int result = 193; long temp = Double.doubleToLongBits(this.radius); result = 37 * result + (int) (temp ^ (temp >>> 32)); result = 37 * result + HashUtils.hashCodeForPaint( this.backgroundPaint); result = 37 * result + HashUtils.hashCodeForPaint( this.foregroundPaint); result = 37 * result + this.stroke.hashCode(); return result; } StandardDialFrame(); double getRadius(); void setRadius(double radius); Paint getBackgroundPaint(); void setBackgroundPaint(Paint paint); Paint getForegroundPaint(); void setForegroundPaint(Paint paint); Stroke getStroke(); void setStroke(Stroke stroke); @Override Shape getWindow(Rectangle2D frame); @Override boolean isClippedToWindow(); @Override void draw(Graphics2D g2, DialPlot plot, Rectangle2D frame,
            Rectangle2D view); @Override boolean equals(Object obj); @Override int hashCode(); @Override Object clone();  }### Answer:
@Test public void testHashCode() { StandardDialFrame f1 = new StandardDialFrame(); StandardDialFrame f2 = new StandardDialFrame(); assertEquals(f1, f2); int h1 = f1.hashCode(); int h2 = f2.hashCode(); assertEquals(h1, h2); }