Switch_Case Ariezs11 rwxr-xr-x 0 07.07

Filename	Switch_Case
Permission	rw-r--r--
Author	Ariezs11
Date and Time	07.07
Label
Action

import java.io.*;
import javax.swing.*;
class Switch_case
    {
        public static void main(String[]riny)
        {
            int p,l,s;
            double Luas_P,Luas_PP,Luas_L,Keliling_P,Keliling_PP,Keliling_L,r,D;
            double pi = 3.14;
           
            BufferedReader x = new BufferedReader(new InputStreamReader(System.in));
            try
            {
                JOptionPane.showMessageDialog(null," Program Kelas");
                System.out.println("Masukan Panjang: ");
                System.out.println("Masukan Lebar: ");
                System.out.println("Masukan Sisi: ");
                System.out.println("Masukan r: ");
                System.out.println("Masukan D: ");
                p = Integer.parseInt(x.readLine());
                l = Integer.parseInt(x.readLine());
                s = Integer.parseInt(x.readLine());
                r = Double.parseDouble(x.readLine());
                D = Double.parseDouble(x.readLine());
               
                String pilihan=JOptionPane.showInputDialog("Pilihan :\n1.Persegi\n2.Persegi Panjang\n3.Lingkaran");
                int menu = Integer.parseInt(pilihan);
        
                switch(menu)
                {
                    case 1:
                    Luas_P = s*s;
                    JOptionPane.showMessageDialog(null,"Luas Persegi= "+Luas_P);
                    Keliling_P = 4*s;
                    JOptionPane.showMessageDialog(null,"Keliling Persegi= "+Keliling_P);
                    break;
                    case 2:
                    Luas_PP = p*l;
                    JOptionPane.showMessageDialog(null,"Luas PersegiPanjang= "+Luas_PP);
                    Keliling_PP = 2*(p+l);
                    JOptionPane.showMessageDialog(null,"Keliling PersegiPanjang = "+Keliling_PP);
                    break;
                    case 3:
                    Luas_L = pi*r*r;
                    JOptionPane.showMessageDialog(null,"Luas Lingkaran= "+Luas_L);
                    Keliling_L = pi*D;
                    JOptionPane.showMessageDialog(null,"Keliling Lingkaran= "+Keliling_L);
                    break;
                    default:
                    System.out.println("Maaf Anda salah memasukan pilihan!!!!!!!!!!");
                }
                System.exit(0);
            }
                catch(IOException e) {System.out.println("Terjadi Kesalahan");}
            }
        }


Sumber : http://princeariezsdejavu.blogspot.com/