Input hours and minutes to implement the hour and minute-hour and image graphics in a circle

Import java. AWT .*;
Import java. AWT. Geom .*;
Import javax. Swing. event .*;

Import javax. Swing .*;

Public class clocktest
{
Public static void main (string [] ARGs ){
// Add a frame
Texttestframe frame = new texttestframe ();
Frame. setdefaclocloseoperation (jframe. exit_on_close );
Frame. setvisible (true );
}
}

// Create a clock Frame
Class TextTestFrame extends JFrame
{
/**
*
*/
Private static final long serialVersionUID = 1L;

Public TextTestFrame ()
{
SetTitle ("TextTest ");

// Draw the bottom line
JPanel panel = new JPanel ();
JLabel label = new JLabel ("Hours :");
Panel. add (label );
Hour_text = new JTextField ("12", 3 );
Panel. add (hour_text );
JLabel label2 = new JLabel ("Minutes :");
Panel. add (label2 );
Minute_text = new JTextField ("00", 3 );
Panel. add (minute_text );
Add (panel, BorderLayout. SOUTH );

// Add the listener
ClockFieldListener listener = new clockFieldListener ();
Hour_text.getDocument (). addDocumentListener (listener );
Minute_text.getDocument (). addDocumentListener (listener );

// Draw clock panel
ClockPanel = new DrawPanel1 ();
Add (clockPanel, BorderLayout. CENTER );
Pack ();
}

Public void DrawClock ()
{
Try
{
ClockPanel. setTime (Integer. parseInt (hour_text.getText (), Integer
. ParseInt (minute_text.getText ()));
ClockPanel. repaint ();
} Catch (NumberFormatException e ){
//
}
}

Public JTextField hour_text;
Public JTextField minute_text;
Private DrawPanel1 clockPanel;

Public class clockFieldListener implements DocumentListener
{
Public void insertUpdate (DocumentEvent event ){
DrawClock ();
}

Public void changedUpdate (DocumentEvent event ){

}

Public void removeUpdate (deleentevent event ){
DrawClock ();
}
}
Class DrawPanel1 extends JPanel
{

Private static final long serialVersionUID = 1L;
Public DrawPanel1 ()
{
SetPreferredSize (new Dimension (2 * RADIUS + 1, 2 * RADIUS + 1 ));
}

Public void paintComponent (Graphics g)
{// -- This is where it is. If it is switched out during debugging, it will be stopped here again.
Super. paintComponent (g );
Graphics2D g2 = (Graphics2D) g;

// Draw the circle
Ellipse2D elli = new Ellipse2D. Double ();
Elli. setFrameFromCenter (new Point2D. Double (RADIUS, RADIUS ),
New Point2D. Double (0, 0 ));
G2.draw (elli );

// Draw the hour hand minute hand
Double hourAngle = Math. toRadians (90-360 * minute/(12*60 ));
DrawHand (g2, hourAngle, HOUR_HAND_LENGTH );

// Draw the minute hand
Double minuteAngle = Math. toRadians (90-360 * minute/60 );
DrawHand (g2, minuteAngle, MINUTE_HAND_LENGTH );
}

Public void DrawHand (Graphics2D g2, double angle, double length)
{
Point2D p = new Point2D. Double (RADIUS + length * Math. cos (angle ),
RADIUS-length * Math. sin (angle ));
G2.draw (new Line2D. Double (p, new Point2D. Double (RADIUS, RADIUS )));
}

Public void setTime (int h, int m)
{
Minute = h * 60 + m;
}

Public static final int RADIUS = 100;
Private double minute = 0;
Private double HOUR_HAND_LENGTH = 0.6 * RADIUS;
Private double MINUTE_HAND_LENGTH = 0.8 * RADIUS;
}

}