Aplikasi DOS dan Searching internet via JAVA TEXTPAD

Aplikasi membuka Perintah DOS, membuka atau searching internet via JAVA TEXTPAD

import java.io.*;
import java.awt.*;
import java.awt.event.*;
import java.net.*;
import java.util.Scanner;



public class quis{
    public static void main(String[] args){
        try    {

        BufferedReader input = new BufferedReader(new InputStreamReader(System.in));
        int menu=0;
        int pil;
        Scanner masuk = new Scanner(System.in);
        while(menu==0){
                  System.out.println("==========================");
                System.out.println("==========L O L O=========");
                System.out.println("==========================");
                System.out.println("1. Perintah DOS");
                System.out.println("2. Membuka Google");
                System.out.println("3. Exit");
                System.out.println("");
                System.out.println("Ketik Angka untuk Memilih");
                System.out.print("Pilih : ");


        pil = masuk.nextInt();
        if(pil < 1 || pil > 3){
        System.out.print("");
        System.out.println("Input Salah!!");
        } else if (pil==3){
        System.exit(0);}

        switch (pil) {
        case 1:

     Runtime rt = Runtime.getRuntime();

                    Process proc;

                    try {
                    proc = rt.exec("CMD /C START Shutdown -r");
                    }
                    catch(Exception e) {
                    System.out.println("Cannot execute application");
    }
                break;

        case 2:
        String src2 = null;

        System.out.print("Masukkan URL: ");
        src2 = input.readLine();
        java.awt.Desktop.getDesktop().browse(java.net.URI.create(src2));
        break;

        case 3:
        System.exit(0);
        }
        }
        }
        catch (Exception ex) {System.out.println("Error");}
    }
}