Parking lot charges

Within three hours: 3

More than per hour: 0.5

Maximum: 10

 

Mport java. AWT. container;
Import java. AWT. flowlayout;
Import java. AWT. event. actionevent;
Import java. AWT. event. actionlistener;

Import javax. Swing. japplet;
Import javax. Swing. jbutton;
Import javax. Swing. jlabel;
Import javax. Swing. jtextfield;

Public class charges extends japplet implements actionlistener {
Int hour;
Float charges, sum = 0;
 
Jlabel inlabel;
Jlabel resultlabel;
Jtextfield intextfield;
Jtextfield resultfield;
Jbutton rollbutton;
 
Public void Init ()
{
Container = getcontentpane ();
Container. setlayout (New flowlayout ());

Inlabel = new jlabel ("input the hour of (-1 = end ):");
Container. Add (inlabel );

Intextfield = new jtextfield (10 );
Container. Add (intextfield );

Resultlabel = new jlabel ("the total cost is :");
Container. Add (resultlabel );

Resultfield = new jtextfield (10 );
Resultfield. seteditable (false );
Container. Add (resultfield );

Rollbutton = new jbutton ("calculater ");
Rollbutton. addactionlistener (this );
Container. Add (rollbutton );
}
 
Public void actionreceivmed (actionevent event)
{
Calculater ();
Resultfield. settext (float. tostring (SUM ));
}
 
Public void calculater ()
{
Hour = integer. parseint (intextfield. gettext ());
If (hour =-1)
Showstatus ("the last data! ");
Else {
If (hour <= 3)
Charges = 2;
Else
Charges = 2 + (hour-3) * (float) 0.5;
If (Charges> 10)
Charges = 10;

Showstatus ("current costs is:" + charges );

Sum + = charges;
}
}
}