Hadiah Random ( Switch Case)

Ada Apa Hari Ini..
Kali ini saya mencoba membuat program undian berhadiah dengan case.


package undian;

import javax.swing.JOptionPane;

/**
 *
 * @author user
 */
public class hadiahRandom {
    public static void main(String[] args) {
    int hadiah = JOptionPane.showConfirmDialog(null,"apakah "+
      "anda ingin hadiah","Undian",JOptionPane.YES_NO_OPTION);
            if (hadiah==JOptionPane.YES_OPTION){
            switch(hadiah){
                case JOptionPane.YES_OPTION :
                    JOptionPane.showMessageDialog(null,"1 Unit Pesawat",
                    "Hadiah Yang Anda Dapat :",JOptionPane.INFORMATION_MESSAGE);
                                        
                }   
       int hadiah2=  JOptionPane.showConfirmDialog(null,"Apakah Anda Ingin"+
               "Hadiah Lagi","hadiah",JOptionPane.YES_NO_OPTION);
            if (hadiah2==JOptionPane.YES_OPTION){
             switch(hadiah2){
                  case JOptionPane.YES_OPTION :
                     JOptionPane.showMessageDialog(null,"100 Unit mobil",
                     "Hadiah Yang Anda Dapat :",JOptionPane.INFORMATION_MESSAGE);
             break;
             }
           }
        }
    }
} 

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