java - java StillClock クラスに名前を書きますか?

Question

時計は正しく表示されていますが、真ん中に自分の名前を書く必要があり、方法がわかりません。また、プログラムを実行するたびに時針と分針を変更するにはどうすればよいですか? 時間と分を乱数ジェネレーターに等しくする必要があると思いますか?

class StillClock extends JPanel 
{ 
   private int hour; 
   private int minute;
   private int second; 

   private boolean hourHandVisible = true; 
   private boolean minuteHandVisible = true;
   private boolean secondHandVisible = true; 


/** Construct a default clock with the current time*/ 
   public StillClock() 
   { 
      setCurrentTime(); 

   } 


/** Construct a clock with specified hour, minute, and second */ 
   public StillClock(int hour, int minute)
   { 
   this.hour = hour; 
   this.minute = minute;
   //this.second = second; 
   } 


/** Return hour */ 
   public int getHour() 
   { 
   return hour; 
   } 


/** Set a new hour */ 
   public void setHour(int hour) 
   { 
   this.hour = hour; 
   repaint(); 
   } 

/** Return minute */ 
   public int getMinute()
   { 
   return minute; 
   } 


/** Set a new minute */ 
   public void setMinute(int minute)   
   { 
   this.minute = minute; 
   repaint(); 
   } 

   /*public int getSecond()
   {
   return second;
   }

   public void setSecond(int second)
   {
   this.second = second;
   repaint();
   }*/

/** Draw the clock */ 
   protected void paintComponent(Graphics g) 
   { 
   super.paintComponent(g); 

// Initialize clock parameters 
   int clockRadius = (int)(Math.min(getWidth(), getHeight()) * 0.8 * 0.5); 
   int xCenter = getWidth() / 2; 
   int yCenter = getHeight() / 2; 

// Draw circle 
   g.setColor(Color.black); 
   g.drawOval(xCenter - clockRadius, yCenter - clockRadius,2 * clockRadius, 2 * clockRadius); 

// Draw minute hand 
   if (minuteHandVisible) 
   { 
   int mLength = (int)(clockRadius * 0.65); 
   int xMinute = (int)(xCenter + mLength *Math.sin(minute * (2 * Math.PI / 60))); 
   int yMinute = (int)(yCenter - mLength *Math.cos(minute * (2 * Math.PI / 60))); 
   g.setColor(Color. blue);
   g.drawLine(xCenter, yCenter, xMinute, yMinute); 
   } 

// Draw hour hand 
   if (hourHandVisible) 
   { 
   int hLength = (int)(clockRadius * 0.5); 
   int xHour = (int)(xCenter + hLength *Math.sin((hour % 12 + minute / 60.0) * (2 * Math.PI / 12))); 
   int yHour = (int)(yCenter - hLength *Math.cos((hour % 12 + minute / 60.0) * (2 * Math.PI / 12))); 
   g.setColor(Color.green); 
   g.drawLine(xCenter, yCenter, xHour, yHour); 
   } 

// }// Display hours on the clock 
   g.setColor(Color.red); 
   for (int i = 0; i < 12; i++) 
   { 
    int x = (int)(xCenter + 0.8 * clockRadius * Math.sin (i*(2 * Math.PI / 12))); 
    int y = (int)(yCenter - 0.8 * clockRadius * Math.cos (i*(2 * Math.PI / 12))); 
    g.drawString("" + ((i == 0) ? 12 : i), x, y); 
   } 

} 

   public void setCurrentTime() 
   { 
// Construct a calendar for the current date and time 
   Calendar calendar = 
   new GregorianCalendar(); 

// Set current hour, minute and second 
   this.hour = calendar.get(Calendar.HOUR_OF_DAY); 
   this.minute = calendar.get(Calendar.MINUTE); 
   } 


   public Dimension getPreferredSize() 
   { 
   return new Dimension(800, 800); 
   } 

   public boolean isHourHandVisible() 
   { 
   return hourHandVisible; 
   } 

   public boolean isMinuteHandVisible() 
   { 
   return hourHandVisible; 
   } 

   public void setHourHandVisible(boolean hourHandVisible) 
   { 
   this.hourHandVisible = hourHandVisible; 
   repaint(); 
   } 

   public void setMinuteHandVisible(boolean minuteHandVisible) 
   { 
   this.minuteHandVisible = minuteHandVisible; 
   repaint(); 
   } 

}