Rhere's World

package Praktik1;
import java.util.Scanner;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;
import javax.swing.JOptionPane;

public class Berhitung {
    public static void main (String[] args) {
        BufferedReader dataIn = new BufferedReader (new InputStreamReader(System.in));
        String fn = "";
        System.out.println ("Masukkan bilangan pertama : ");
        Scanner input = new Scanner (System.in);
        String sn = input.nextLine();
        System.out.println("Masukkan bilangan kedua : ");
        String tn = JOptionPane.showInputDialog("Masukkan bilangan ketiga");
         try {
            fn = dataIn.readLine();
        
        }
        catch(IOException e) {
            System.out.println("Error!");
        }
      
         int bil1 = Integer.parseInt(fn);
         int bil2 = Integer.parseInt(sn);
         int sum = bil1 + bil2 ;
         int bil3 = Integer.parseInt(tn);
         int akhir = sum / bil3 ;
              
      
         JOptionPane.showMessageDialog (null, "Hasilnya adalah " +akhir, "Jawaban", JOptionPane.PLAIN_MESSAGE) ;
    
      
    }
}