StringGenV3_2

//I was bored again so I've made some changes to a previous paste I made, enough that I decided to just make it a new one :p

import java.util.Scanner;
import java.io.File;
import java.io.IOException;
import java.io.BufferedWriter;
import java.io.FileWriter;

public class StringGenV3_2 {
    public static void main(String[] args) {
        String[] rand_c = {"A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z","a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z","0","1","2","3","4","5","6","7","8","9","`","~","!","@","#","$","%","^","&","*","(",")","-","_","=","+","[","{","]","}",";",":","\'","\"",",","<",".",">","/","?","\\","|"};
        File file = new File(System.getProperty("user.home")+"/Desktop/RandomStrings.txt");

        try (Scanner in = new Scanner(System.in)) {
            System.out.print("\nWrite Strings to file: ");
            String answer = in.nextLine();

            System.out.print("Amount of Strings to Generate: ");
            int amount = in.nextInt();

            System.out.print("String Length: ");
            int slength = in.nextInt();

            System.out.print("Letters Only (1), Letters and Numbers (2), All (3): ");
            int type = in.nextInt();

            System.out.print("\n");

            switch (answer.toLowerCase()) {
                case "yes":case "y":case "true":case "t":case "1":
                    if (type != 1 && type != 2 && type != 3) {
                        System.out.println("Defaulted to mode: All");
                    }
                    if (!file.exists()) file.createNewFile();
                    BufferedWriter bw = new BufferedWriter(new FileWriter(file.getAbsolutePath()));
                    for (int i = 0; i < amount; i++) {
                        bw.write("String "+(i+1)+": ");
                        System.out.print("String "+(i+1)+": ");
                        for (int ff = 0; ff < slength; ff++) {
                            if (type == 3) {
                                int r = (int) Math.floor((Math.random()*94));
                                System.out.print(""+rand_c[r]);
                                bw.write(""+rand_c[r]);
                            } else if (type == 2) {
                                int r = (int) Math.floor((Math.random()*57));
                                System.out.print(""+rand_c[r]);
                                bw.write(""+rand_c[r]);
                            } else if (type == 1) {
                                int r = (int) Math.floor((Math.random()*47));
                                System.out.print(""+rand_c[r]);
                                bw.write(""+rand_c[r]);
                            } else {
                                int r = (int) Math.floor((Math.random()*94));
                                System.out.print(""+rand_c[r]);
                                bw.write(""+rand_c[r]);
                            }
                        }
                        System.out.print("\n");
                        bw.newLine();
                    }
                    bw.close();
                    System.out.println("Written Strings to File: "+file);
                    break;

                case "no":case "n":case "false":case "f":case "0":
                    if (type != 1 && type != 2 && type != 3) {
                        System.out.println("Defaulted to mode: All");
                    }
                    for (int i = 0; i < amount; i++) {
                        System.out.print("String "+(i+1)+": ");
                        for (int ff = 0; ff < slength; ff++) {
                            if (type == 3) {
                                System.out.print(""+rand_c[(int) Math.floor((Math.random()*94))]);
                            } else if (type == 2) {
                                System.out.print(""+rand_c[(int) Math.floor((Math.random()*57))]);
                            } else if (type == 1) {
                                System.out.print(""+rand_c[(int) Math.floor((Math.random()*47))]);
                            } else {
                                System.out.print(""+rand_c[(int) Math.floor((Math.random()*94))]);
                            }
                        }
                        System.out.print("\n");
                    }
                    break;

                default:
                    System.out.println("Invalid Choice.");
                    main(args);
                    break;
            }
            System.out.print("\n");
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}